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Our Doctors & Staff

Your comfort is our main concern. You need effective, long-term solutions. We take the time to help you take back control of your life.
When we say, “the doctor will see you,” we mean exactly that. You’re not making an appointment with a nurse or a physicians assistant, just your doctor. We promise a one-to-one doctor-patient relationship

Meet the Doctors

Dr. Francine Andrews
Dr. Nicole Barberis
Dr. Naomi Fieman
Dr. Mark Menich
Dr. William “Bill” Newman
Dr. Jeffrey Rumbyrt
Dr. Paul Schkade

Affiliated Hospitals

Our physicians have staff appointments at a number of Denver Metro area hospitals. Though our hospital privileges do not allow us to directly admit patients, we are available at several hospitals for consultation and to provide the hospitalist or primary care physician assistance in managing inpatients and coordinating outpatient follow-up.

Clinical Research

Our practice has had an active clinical research program since 1990. We have partnered with Western States Clinical Research, Inc., in multiple studies since 1995. Our research efforts focus on new developments in the treatment of allergic respiratory, nasal, and eye conditions. Details of our current studies can be discussed with your physician and found at wscrinc.com.

Our Staff

The staff of Denver Allergy and Asthma Associates is a special blend of people that keep our business, office and clinical areas in order. Charged with running eight offices, two rural clinics, an allergen laboratory, and a business office, our staff combines a variety of business and clinical skills.

  • Many of our staff have been with the practice for over 10 years
  • Our clinical staff rotate through each of our eight offices

A History of Denver Allergy and Asthma Associates

After finishing his Fellowship in Clinical Allergy at National Jewish Hospital in 1972, Joel Karlin became head of the Allergy Clinic at the Air Force Academy in Colorado Springs. As that tour of duty was finishing, he worked in the Emergency Room at St. Anthony Hospital taking care of allergy and general pediatric problems. He also met many of the West Side doctors in the Denver area. In the spring of 1974, he started his own allergy practice in Lakewood, founding Denver Allergy and Asthma Associates. Dr. Karlin worked with many of the doctors at both St. Anthony Central and St. Anthony North hospitals so, in addition to his initial Lakewood office, he quickly added an office next to St. Anthony North Hospital. In the spring of 1975, Gary Siegel, who also trained at National Jewish Hospital had finished his Army tour of duty at Fitzsimons Army Medical Center as Assistant Chief of the Allergy Clinic and Fellowship training program and had just started his own allergy practice in southeast Denver. Dr. Karlin was going on a well-deserved vacation for a few weeks in the fall of 1975 and asked his friend, Dr. Siegel, from the allergy training program to “cover” his practice. Dr. Siegel enjoyed the very busy work schedule at Denver Allergy so much that the two decided to join their three offices together. Denver was growing rapidly, as was the practice and it wasn’t long before additional offices were needed in Arvada and southwest Denver.

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A History of Denver Allergy and Asthma Associates

After finishing his Fellowship in Clinical Allergy at National Jewish Hospital in 1972, Joel Karlin became head of the Allergy Clinic at the Air Force Academy in Colorado Springs. As that tour of duty was finishing, he worked in the Emergency Room at St. Anthony Hospital taking care of allergy and general pediatric problems. He also met many of the West Side doctors in the Denver area. In the spring of 1974, he started his own allergy practice in Lakewood, founding Denver Allergy and Asthma Associates. Dr. Karlin worked with many of the doctors at both St. Anthony Central and St. Anthony North hospitals so, in addition to his initial Lakewood office, he quickly added an office next to St. Anthony North Hospital. In the spring of 1975, Gary Siegel, who also trained at National Jewish Hospital had finished his Army tour of duty at Fitzsimons Army Medical Center as Assistant Chief of the Allergy Clinic and Fellowship training program and had just started his own allergy practice in southeast Denver. Dr. Karlin was going on a well-deserved vacation for a few weeks in the fall of 1975 and asked his friend, Dr. Siegel, from the allergy training program to “cover” his practice. Dr. Siegel enjoyed the very busy work schedule at Denver Allergy so much that the two decided to join their three offices together. Denver was growing rapidly, as was the practice and it wasn’t long before additional offices were needed in Arvada and southwest Denver.

In those early years, patients with asthma often had serious, life-threatening episodes, often requiring emergency room visits, hospitalizations, including ICU care with respirators that would breathe for them. For Dr’s Karlin and Siegel, weekend call would mean frequent hospital visitations to various hospitals to check on the patients. Being “on-call” often meant anything from fielding questions and phone calls throughout the night from patients who were starting to wheeze, to middle-of-the-night hospital admissions. Some patients had fairly precarious respiratory courses. Over the years, with the advent of newer and better medications, the typical course of patients with asthma has significantly changed. Knowledge of how to advise patients and the use of much-improved and amazingly effective medications has totally changed the course of asthmatic patients. Patients who previously would have been hospitalized many times per year now have to be coaxed into coming in for routine, but necessary, “well-patient” checkups. Times have changed markedly for the better – for patients and physicians!

In 1981, practice volume continued to increase and Francine Andrews, who had just completed her Fellowship at National Jewish, joined the practice. During this time, Dr. Karlin felt that many rural areas of Colorado were underserved by specialists and that it would be helpful to have allergy specialists consult on patients with allergic problems referred by the local doctors. As a result, the physicians of Denver Allergy began serving patients in Burlington, Hugo, Salida, Buena Vista and Leadville, Colorado as well as Goodland and Syracuse, Kansas. At the present time, we continue to serve the communities of Burlington, CO and Goodland, KS.

In 1994, having finished his Fellowship at National Jewish, Jeff Rumbyrt increased our doctor roster to a total of four. From 1995 until 2001, the practice upgraded and/or moved its office locations in Arvada and Westminster, settling in at our present locations at 80th Avenue and Kipling Street in Arvada, and 120th and Pecos Street in Westminster. In January, of 2001, Dr. Rumbyrt assumed leadership of Denver Allergy after Dr. Karlin resigned from full-time practice to concentrate his efforts in a private business venture. In May 2001, the day before the practice was to relocate its main office from 14th Avenue and Garrison Street in Lakewood to a newer, larger office space in the Denver West area, Dr. Karlin suffered a significant health event that left him comatose for twenty-one months before he passed away in February, 2003.

The practice regrouped and with difficulty continued on. By 2007, Dr. Siegel was interested in decreasing his hours so this enabled Paul Schkade to come on board. Dr. Schkade had completed his Allergy Fellowship at Fitzsimons Army Medical Center, (which was affiliated with National Jewish Hospital) and had been in private allergy practice in a large medical clinic in Arkansas for a dozen years. With a yearning to return to Colorado, he joined our practice in the Spring of 2007, bringing the number of allergists back up to four.

Today, Denver Allergy remains one of the busiest allergy and asthma practices in Colorado. We currently serve over 6000 active patients in our five Denver Metro offices and four rural clinics. As Denver has grown, we have also experienced significant growth and changes to our practice. It is with our solid founding, our resiliency through many challenging events, and our desire to provide the most comprehensive allergy and asthma treatment that we look forward to serving our Colorado and Kansas patients for an additional 40 years (and beyond!).

 

Dr. Francine G. Andrews, MD

Dr. Francine G. Andrews

Dr. Andrews’ Affiliated Hospitals

  • Exempla Lutheran Medical Center
  • North Suburban Medical Center
  • St Anthony’s Hospital North
  • St Anthony’s Hospital Central

Phone

303-234-1067

Background

Dr. Andrews completed her undergraduate degree at the University of Houston Honors Program graduating Magna Cum Laude and earned her Medical Degree at the University of Texas at Houston. After finishing a residency in Pediatrics at the University of Texas Health Science Center at Houston, she received her formal fellowship in Allergy and Immunology at University of Colorado/National Jewish Hospital.

Dr. Andrews joined Denver Allergy & Asthma Associates P.C. in 1981 and is dedicated to maintaining the excellence of this practice.

Dr. Andrews has two daughters, one in college and the other in post-graduate education. In addition to her passion for practicing medicine, her daughters have provided her with abundant laughter, occasional tears, and most of all pride. She also enjoys the outdoors, gardening, art, reading, cooking, and politics.

Dr. William “Bill” Newman, MD

Dr. William

Dr. Newman’s Affiliated Hospitals

  • Boulder Community Hospital
  • Exempla Lutheran Hospital
  • North Suburban Medical Center

Phone

303-234-1067

Background

Dr. Newman grew up in Dayton, Ohio, where he lived and breathed Reds baseball. He received his undergraduate degree in biology from Yale University. While there, he worked in the immunology lab at the medical school, a position that sparked his interest in the field. He obtained his medical degree from Case Western Reserve University on an U.S. Army scholarship and did his internal medicine residency at Fitzsimons Army Medical Center in Aurora (now the University of Colorado Anschutz Medical Campus). He spent the next 4 years as a staff internist at the US Army Hospital in Heidelberg, Germany.

He left military service in 1997 and joined the staff of the University of Vermont where he was also assistant professor of medicine, teaching medical students and residents. After 3 years in primary care internal medicine, he decided to seek specialty training and re-joined the Army to do so. He completed his allergy/immunology fellowship at Walter Reed Army Medical Center in 2002, and from there returned to Germany to become Chief of Allergy at the US Army Hospital in Würzburg where he also functioned as Chief of Medicine. As an Army allergist he treated patients of all ages, including soldiers, family members, retirees, and civilian employees. He left Germany and the Army in 2005 to launch a solo allergy/immunology practice in 2005 back in Vermont.

He spent the next 11 years as an established allergist in the Burlington, Vermont area. When his son graduated from high school, he and his wife decided to make a bold change, and return to Colorado. He joined Denver Allergy & Asthma and Boulder Valley Asthma and Allergy in July 2016.

Dr Newman is passionate about delivering high quality specialty medical care to his patients and has a broad set of interests in allergy and general medicine. An outdoor enthusiast in all seasons, when not at work he loves the wilderness and the mountains, camping, hiking, canoeing, and fishing whenever he can find the time. He is married and has a son who is at CU Boulder.

Dr. Jeffrey Rumbyrt

Dr. Jeffrey Rumbyrt

Dr. Rumbyrt’s Affiliated Hospitals

  • Exempla Lutheran Medical Center
  • North Suburban Medical Center
  • St Anthony’s Hospital North
  • St Anthony’s Hospital Central
  • University of Colorado
  • Goodland Regional Medical Center
  • Kit Carson County Memorial Hospital

Phone

303-234-1067

Background

Dr. Rumbyrt grew up in the Chicago area where his love of baseball (White Sox), White Castle hamburgers, and science was first kindled. He first became interested in medicine after visiting a genetics research lab at Argonne National Laboratory while in high school.

He joined Denver Allergy and Asthma Associates in 1994 and has served as its President since 2000. He has a special interest in the treatment of chronic hives, chronic sinusitis, and asthma and is an active lecturer on these subjects as well.

Dr. Rumbyrt has earned the reputation as one of the practices’s “traveling allergists” as he attends clinics twice a month in Eastern Colorado and Western Kansas, logging almost 10,000 miles per year in his reliable mini-van. The monotony of travel is mercifully broken by a constant supply of books-on-tape making him one of the best “least-well-read” doctors in Denver (a category yet to appear in 5280 magazine). His wife of over twenty years, daughter, and two sons occasionally giggle at his various voices and attempts at humor. He has difficulty with the driving games on the Wii. His free time is spent coaching youth soccer, basketball, and baseball and mining statistics for his fantasy baseball team.

Dr. Paul Schkade

Dr. Paul Schkade

Dr. Schkade’s Affiliated Hospitals

  • Exempla Lutheran Medical Center
  • North Suburban Medical Center
  • St Anthony’s Hospital North
  • St Anthony’s Hospital Central
  • University of Colorado

Phone

303-234-1067

Background

Dr. Schkade grew up in Texas. He earned a bachelors degree in biochemistry from the University of Texas System, his M.D. from the University of Texas Medical Branch and completed his residency at Brooke Army Medical Center in San Antonio.

After living in Germany and extensively traveling Europe for three years, he relocated to Colorado for his Allergy and Immunology training at the National Jewish Center and Fitzsimons Army Medical Center.

Dr. Schkade is Assistant Professor of Medicine at the University Of Colorado School Of Medicine, where he teaches medical students, residents and allergists in training from the National Jewish Center. He is active in clinical research studies that develop new treatments for allergies. Dr. Schkade frequently lectures to physicians in private practice regarding newer treatment modalities in the areas of allergy and asthma. Dr. Schkade has a special interest in treating patients with severe asthma, nasal allergies and hives. Twice per month he travels to rural clinics in central and eastern Colorado to treat clients in underserved areas. He is board certified in Allergy and Immunology and is a Fellow in the American College of Allergy and Immunology. Dr. Schkade enjoys hiking, woodworking, riding motorcycles and cooking with his wife. He also enjoys skiing with his two daughters.

Dr. Nicole Barberis

Dr. Nicole Barberis

Dr. Barberis’ Affiliated Hospitals

    Coming soon!

Phone

303-234-1067

Background

Dr. Nicole Barberis was born and raised in Boulder, Colorado. At the young age of 4 she already knew she wanted to be a doctor and has pursued that goal to serve her community today as a doctor of Allergy and Immunology. She is a graduate of CU Boulder. GO BUFFS! After medical school she completed her medical residency at Saint Joseph/National Jewish Health and is board certified in Internal Medicine. She then went on to specialize in Allergy and Immunology completing fellowship at the renowned National Jewish Health/University of Colorado. She is a highly educated, friendly, and compassionate doctor. She is interested in treating a wide range of disease processes in both adults and kids and likes to see the whole family! She has particular interests in asthma, nasal allergies, and eczema.

With her free time, Dr. Barberis loves to be outside and soak up the Colorado sunshine whether she is biking, hiking, waterskiing or downhill skiing. She has traveled extensively and brings you a world of experience.

Dr. Naomi M Fieman, M.D.

Dr. Naomi M Fieman, M.D.

Dr. Fieman’ Affiliated Hospitals

  • Rose Medical Center
  • Skyridge Medical Center
  • Swedish Medical Center
  • Exempla St. Joseph’s Hospital

Phone

303-234-1067

Background

Dr. Fieman has been in private practice specializing in the care and treatment of Allergy, Asthma and Immunology conditions since 1990. Dr. Fieman graduated from the University of Cincinnati College of Medicine in 1984. She completed her fellowship at National Jewish Health in 1990. She is board certified in the specialties of Internal Medicine and Allergy and Immunology. She has participated in numerous research studies. Areas of special interest include food allergies, Allergic Rhinitis, Asthma, Atopic Dermatitis, Sinusitis and Hives.

Memberships in Professional Societies:
* Past President of the Denver Medical Society
* Board of Directors for the Colorado Medical Society
* Colorado Allergy Society
* Fellow of American Academy of Allergy and Immunology

Mark D. Menich, M.D.

Mark D. Menich, M.D.

Dr. Menich’s Affiliated Hospitals

  • Boulder Community Hospital
  • Exempla Lutheran Hospital

Phone

303-234-1067

Background

Dr. Menich, M.D. grew up in the Chicago area, and attended the University of Illinois as an undergraduate, where he majored in history. After a couple of years in the business world, he decided his true calling was medicine, and returned to the University of Illinois for medical school, on a full scholarship from the U.S. Army.

He did his internship at Phoenix’s Maricopa County Hospital, and then finished internal medicine residency at Walter Reed Army Medical Center. He practiced general internal medicine for eight years at military hospitals in Belgium, Germany, and Virginia before returning to Walter Reed, for his allergy and immunology training. After practicing and teaching at Walter Reed, Fort Belvoir, Virginia, and NATO headquarters in Belgium, Dr. Menich finished his military career at Fort Carson.

He has lived and practiced in Colorado Springs following his retirement from the Army, and liked it very much, but couldn’t turn down the opportunity to work with Dr. Bock in a well­ established, well-respected practice in the beautiful mountain community of Boulder.

Dr. Menich, had many interesting experiences in the military, and held multiple leadership positions, including the command of the clinic at NATO headquarters, but he has always found patient care to be the most rewarding and enjoyable activity of his professional life. He is board certified in both internal medicine and allergy-immunology, and enjoys seeing patients of all ages. He brings excellent training and a wealth of experience to the practice, treating the full benefit, treating the full breadth of asthma, allergic, and immunologic disorders. He feels very strongly that, before any testing or treatment, listening must come first.

Dr. Menich has additional training, and many years of experience, in travel medicine. He is a diplomat of the International Society of Travel Medicine, and is authorized by Colorado as a provider of yellow fever vaccine. If you are spending a semester abroad, taking a safari as a dream vacation, going on a mission to a developing country, or accepting a job assignment overseas, there’s much more to it than “What shots?” Dr. Menich can help you prepare for the safest possible experience.

When not in the office, Dr. Menich enjoys his family, hiking, biking, fishing, cooking, and reading history. He is a lifelong Cub fan, but of course roots for the Rockies when they’re playing any other team.

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