NPPES file of Aug 9, 2026

John R. Weber, MD

Gastroenterology Physician · Troy, MI

John R. Weber, MD is a gastroenterology physician with a practice address in Troy, Michigan, and NPI 1770568289, issued on Dec 8, 2005. Check the license (Michigan 4301069183, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770568289
Name
John R. Weber
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
4301069183 MI
Self-reported in NPPES; status is on the state search
Practice location
4600 Investment Dr, Troy, MI 48098
Phone
(248) 844-9710
Enumerated
Dec 8, 2005
Record last updated
Feb 12, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(248) 844-9711
Medicaid ID
334787610 MI
Medicare enrollment
Enrolled (PECOS I20041222000283); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1986
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4600 Investment Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Ajluni, MDCardiovascular Disease Physician1346222353
  2. Fadi Anwar, PT, DPTPhysical Therapist1982243895
  3. Anezi Bakken, MDGastroenterology Physician1568444545
  4. Kathleen Barnes, RNAdult Health Nurse Practitioner1568446383
  5. Michelle Biddinger, MDInternal Medicine Physician1326015033
  6. Sante Bologna, MDGastroenterology Physician1972585925

Verify John R. Weber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301069183
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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93% more Medicare Part D claims than the average gastroenterology physician in 2024

1,569 Medicare Part D claims for 487 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. John Weber1,569
  2. Specialty average811

Most prescribed

  1. Omeprazole482 claims
  2. Famotidine241 claims
  3. Pantoprazole Sodium118 claims
  4. Rabeprazole Sodium66 claims
  5. Stelara58 claims
  6. Dicyclomine Hcl53 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,341.95

73 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Weber$1,341.95
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Troy Gastroenterology PCRochester Hills, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John R. Weber among 550 gastroenterology physician records in Michigan

John R. Weber, MD is one of 550 gastroenterology physician records with a practice address in Michigan. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1986 · median 2003 among the 415 with a school on file
  • Record last updated2010 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Michigan

There are 550 gastroenterology physician records in Michigan.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Anezi Bakken, MDTroy, MI 480981568444545
  2. Sante Bologna, MDTroy, MI 480981972585925
  3. Mehmet Donat, MDTroy, MI 480981003898347
  4. Partha Nandi, MDTroy, MI 480981184605206
  5. Leonard Quallich, MDTroy, MI 480981093797326
  6. Richard Wille, MDTroy, MI 480981689656662
  7. Ghaith Ibrahim, MDWarren, MI 480931932113438
  8. Joshua Rosenbloom, D.O.Warren, MI 480931871856310

Common questions

What is John R. Weber, MD's NPI number?

John R. Weber, MD's National Provider Identifier (NPI) is 1770568289, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John R. Weber, MD located?

The NPPES record lists a practice address at 4600 Investment Dr, Troy, MI, 48098. Phone: (248) 844-9710. Providers update this record themselves, so call before visiting.

How can I verify John R. Weber, MD's license?

NPPES lists Michigan license number 4301069183, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John R. Weber, MD prescribe under Medicare Part D?

In 2024, John R. Weber, MD had 1,569 Medicare Part D claims for 487 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.