J Clin Gastroenterol
Dr. John W. Birk, MD
- Medicare services, 2024
- 97
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 338
- Publications
- 46
- Clinical trials
- 2
- Practice address
- 263 Farmington Ave, Farmington, CT 06030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD
Childrens Hospital outpatient department · Farmington, Connecticut
Find Dr. Birk's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John W. Birk is a gastroenterologist in Farmington, Connecticut
Dr. Birk practices at Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut.
Dr. Birk's NPI, 1609801547, was assigned on July 11, 2006. Dr. Birk graduated from Icahn School of Medicine at Mount Sinai in 1986. Dr. Birk holds Connecticut license 046228.
- NPI
- 1609801547NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810066875
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Birk practices at Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut
Dr. Birk's primary practice is Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD, at 263 Farmington Ave, Farmington, CT 06030.
- Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD263 Farmington Ave, Farmington, CT 06030
Source: Dmand AI Affiliation Data
Dr. John W. Birk is affiliated with 2 sites of care and 1 medical group
Dr. Birk's primary practice is Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut. Dr. Birk is also affiliated with UConn John Dempsey Hospital. The medical group on file is UConn Medical Group.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John W. Birk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Birk practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. Birk is one of 298 gastroenterologists in Connecticut
Gastroenterology is Dr. Birk's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Birk is licensed in Connecticut.
Specialties and state licenses
- Gastroenterology, ConnecticutPrimary
Gastroenterologists near Dr. Birk
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John W. Birk billed Medicare for 97 services in 2024
CMS data shows 97 Medicare services from Dr. Birk across 4 procedure codes in 2024, for 123 Medicare patients. Medicare paid $11,166 for them.
Dr. Birk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 462024: 5622%
- Surgery
- 2023: 392024: 415%
Where Dr. Birk's Medicare services took place, 2024
- In an office2526%
- In a facility7274%
Dr. Birk compared with the Connecticut median for gastroenterologists, 2024
- Dr. Birk
- Connecticut median
- Medicare services
- 97vs 36173% below
- Medicare patients
- 123vs 25351% below
- Part D claims
- 246vs 53854% below
Medians across 284 gastroenterologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Birk's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Birk and other gastroenterologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Birk treated 123 Medicare patients in 2024, average age 75
CMS counts 123 Medicare patients who saw Dr. Birk in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Birk's median patient age at 71, with 54% women.
Dr. Birk's Medicare patients by age, 2024
Dr. Birk's Medicare patients by sex, 2024
- Women5646%
- Men6754%
Chronic conditions among Dr. Birk's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis44%
- Mood disorders40%
- Anxiety33%
- Chronic kidney disease33%
- Depression33%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Birk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Birk wrote 338 Medicare Part D claims in 2024
In 2024, Dr. Birk wrote 338 Medicare Part D claims for 68 patients. 63% of them were for generic drugs. CMS names the drug for 246 of them, across 10 drugs with 11 or more claims each, at $220,351 in total drug cost. In 2023, CMS named 196 claims across 9 drugs.
Dr. Birk's Part D claims by kind of drug, 2024
- Generic212 claims63%
- Brand-name126 claims37%
Dr. Birk's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1962024: 24626%
Drugs named by CMS: 10 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John W. Birk ranks in the 66th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Birk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 57 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Birk, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Birk ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 66th percentile57 procedures
- Colonoscopy
- 48th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John W. Birk has 46 publications on record
Dmand AI links 46 papers to Dr. Birk, published from 2013 to 2025. 2015 was the busiest year, with 5. The most frequent topics are Colonic Polyps, Colonoscopy and Predictive Value of Tests. Dr. Birk has published most often in South Med J. Dr. Birk's most frequent co-authors are Shounak Majumder, MD, Brian Thomas Moy, DO and Saman Bahram Chubineh, MD.
Dr. Birk's papers by year, 2014 to 2025
Topics Dr. Birk writes about most
- Colonic Polyps
- Colonoscopy
- Predictive Value of Tests
- Early Detection of Cancer
- Adenocarcinoma
- Adenoma
- Cholangiopancreatography, Endoscopic Retrograde
- Colonic Neoplasms
Dr. Birk's most frequent co-authors
- Shounak Majumder, MD3 shared papers
- Brian Thomas Moy, DO3 shared papers
- Saman Bahram Chubineh, MD2 shared papers
Recent publications by Dr. Birk
J Clin Gastroenterol
See who Dr. Birk researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Birk works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John W. Birk has worked on 2 clinical trials
Dmand AI links Dr. Birk to 2 clinical trials. Conditions studied include Multiple Myeloma and Blood Protein Disorders. Biotest Pharmaceuticals Corporation sponsors the most, 2. Open Payments lists research payments to Dr. Birk that name 2 trials.
Conditions in Dr. Birk's trials
- Multiple Myeloma
- Blood Protein Disorders
Investigators on the most trials with Dr. Birk
Recent clinical trials with Dr. Birk
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. John W. Birk received $11,973 in industry payments from 2016 to 2024
CMS Open Payments shows 23 general payments to Dr. Birk from 10 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 90% of the total. Pfizer Inc. paid the most, $9,615. It also lists 11 research payments totaling $5,600 from 2016 to 2018, naming 2 clinical trials.
General payments to Dr. Birk by program year, 2016 to 2024
General payments to Dr. Birk by kind, 2016 to 2024
- Consulting fees$10,82590%
- Food and beverage$8737%
- Travel and lodging$2762%
Companies that paid Dr. Birk the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. Birk graduated from Icahn School of Medicine at Mount Sinai
Dr. Birk graduated from Icahn School of Medicine at Mount Sinai in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Birk's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John W. Birk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John W. Birk's NPI number?
Dr. John W. Birk's NPI number is 1609801547. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Birk?
Dr. John W. Birk is a gastroenterologist in Farmington, Connecticut. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John W. Birk practice?
Dr. Birk practices at 263 Farmington Ave, Farmington, CT 06030. Dr. Birk's primary practice is Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD in Farmington, Connecticut.
What is Dr. John W. Birk's medical license number?
Dr. Birk holds Connecticut license 046228.
Which hospitals is Dr. John W. Birk affiliated with?
Dr. Birk is affiliated with UConn John Dempsey Hospital.
What medical group is Dr. John W. Birk part of?
Dr. Birk is linked to UConn Medical Group.
Does Dr. John W. Birk accept Medicare?
Yes. CMS data shows Dr. Birk billed Medicare for 97 services in 2024, and Dr. Birk accepts Medicare assignment.
How many Medicare patients does Dr. John W. Birk see?
CMS counts 123 Medicare patients who saw Dr. Birk in 2024, with an average age of 75.
What services does Dr. John W. Birk bill to Medicare?
In 2024, Dr. Birk's most billed Medicare services were hospital inpatient care (99222), office visit, established patient (99214) and surgery: digestive system (43239).
Where did Dr. John W. Birk go to medical school?
Dr. Birk graduated from Icahn School of Medicine at Mount Sinai in 1986.
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What drugs does Dr. John W. Birk prescribe most?
In 2024 Medicare Part D data, Dr. Birk's most prescribed drugs by claims were Pantoprazole Sodium, Creon and Esomeprazole Magnesium.
Has Dr. John W. Birk received payments from drug or device companies?
CMS Open Payments shows $11,973 in general payments to Dr. Birk from 10 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. John W. Birk been practicing?
Dr. Birk graduated from medical school in 1986, 40 years ago.
Does Dr. John W. Birk do research?
Dmand AI links 46 publications to Dr. Birk, published from 2013 to 2025. Dr. Birk has worked on 2 clinical trials.
Who does Dr. John W. Birk publish with?
Dr. Birk's most frequent co-authors are Shounak Majumder, MD (3 shared papers), Brian Thomas Moy, DO (3 shared papers) and Saman Bahram Chubineh, MD (2 shared papers).
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