Registry data as of Aug 27, 2026

James Tambs, D.O.

Obstetrics & Gynecology Physician · West Branch, MI

James Tambs, D.O. is an obstetrics & gynecology physician with a practice address in West Branch, Michigan, and NPI 1750365730, issued on Dec 2, 2005. Check the license (Michigan 5101008377, as entered in NPPES) on the Michigan Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750365730
Name
James Tambs
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
5101008377 MI
Self-reported in NPPES; status is on the state search
Practice location
648 Progress St, West Branch, MI 48661
Phone
(989) 345-7100
Enumerated
Dec 2, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 648 Progress St

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

  1. Amanda Gomes, M.D.Nephrology Physician1649431321
  2. Melinda Zettel, D.D.S., M.S.General Practice Dentistry1285812164

Verify James Tambs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 5101008377
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Obstetrics & Gynecology Physician providers in Michigan

There are 1,735 obstetrics & gynecology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other obstetrics & gynecology physician records in Michigan

  1. Bryan Aaron, MDAnn Arbor, MI1578307724
  2. Mushtak Abbou, MDRoyal Oak, MI1093796922
  3. Youstina Abdallah, MDGrand Rapids, MI1679325062
  4. Adib Abdelrahman, D.O.Pontiac, MI1679889406
  5. Anan Abdelrahman, MDPontiac, MI1760472740
  6. Charlene Abernethy, DOWilliamsburg, MI1447305016
  7. Melinda Abernethy, M.D.Kalamazoo, MI1427254226
  8. Andrea Abessinio, D.O.Saint Clair Shores, MI1144237926
  9. Carmela Abessinio, D.O.Grosse Pointe, MI1174661763
  10. Joelle Abood, M.D.Troy, MI1063724813

Common questions

What is James Tambs, D.O.'s NPI number?

James Tambs, D.O.'s National Provider Identifier (NPI) is 1750365730, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James Tambs, D.O. located?

The NPPES record lists a practice address at 648 Progress St, West Branch, MI, 48661. Phone: (989) 345-7100. Providers update this record themselves, so call before visiting.

How can I verify James Tambs, D.O.'s license?

NPPES lists Michigan license number 5101008377, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.