Dr. John W. Birk, MD

  • Farmington, CT
  • Gastroenterologist
NPI1609801547PAC ID7810066875
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPD

Childrens Hospital outpatient department · Farmington, Connecticut

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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 and contact details
Medicare PAC ID
7810066875
NPI enumeration date
July 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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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 - HOPD
    263 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.

Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPDChildrens Hospital outpatient department · Farmington, ConnecticutPrimary
UConn John Dempsey HospitalAcute care hospital, Farmington, CTUConn Medical GroupPrimary care group, Farmington, CT

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.

EHR by site
SiteEHR vendor and product
Uconn Health Carole and Ray Neag Comprehensive Cancer Center - HOPDAvailable with a free account
+1 more affiliated siteAvailable 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, ConnecticutPrimaryLicense 046228 · taxonomy 207RG0100X

Gastroenterologists near Dr. Birk

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

298gastroenterologists in Connecticut
9gastroenterologists in Farmington

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.

Medicare services, 202497
Medicare patients123
Paid by Medicare$11,166
Procedure codes4

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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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.

Medicare patients, 2024123
Average age75
Average risk score1.58
Also on Medicaid34%

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

  1. High blood pressure75%
  2. High cholesterol73%
  3. Arthritis44%
  4. Mood disorders40%
  5. Anxiety33%
  6. Chronic kidney disease33%
  7. Depression33%
  8. 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.

Part D claims, 2024338
Drugs named by CMS10
Total drug cost$220,351
Part D patients68

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.

See all prescribing by Dr. Birk

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.

Papers46
Years published2013 to 2025

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

Recent publications by Dr. Birk

See all 46 publications and co-authors

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.

How network discovery works

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

$12Kin total
  • 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.

See all payments to Dr. Birk

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.

  1. Medical schoolIcahn School of Medicine at Mount Sinai

Source: Dmand AI Professional Profile Data

Sources for Dr. John W. Birk's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Show 5 more questionsShow fewer questions

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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