NPPES file of Aug 9, 2026

Robert G. Schirmer, M.D.

Internal Medicine Physician · Charlotte, MI

Robert G. Schirmer, M.D. is an internal medicine physician with a practice address in Charlotte, Michigan, and NPI 1396898524, issued on Jan 19, 2007. Check the license (Michigan 4301033853, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1396898524
Name
Robert G. Schirmer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301033853 MI
Self-reported in NPPES; status is on the state search
Practice location
1033 Healthcare Dr, Charlotte, MI 48813
Phone
(517) 541-2673
Enumerated
Jan 19, 2007
Record last updated
Mar 17, 2023
Fax
(517) 543-2656
Medicaid ID
4826519 MI
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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8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →

Also registered at 1033 Healthcare Dr

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

  1. Catherine Brandau, F.N.PFamily Nurse Practitioner1780053066
  2. Sarah GuyCommunity Health Worker1548001480
  3. Stacey Hinton, FNP-CFamily Nurse Practitioner1437632874
  4. Cynthia Hutchinson, PAMedical Physician Assistant1225355043
  5. Karen Lake, MSN, RNC, NPWomen's Health Nurse Practitioner1649583584
  6. Nathan Perry, LLMSW, DP-C, ADSClinical Social Worker1356908651

Verify Robert G. Schirmer 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 4301033853    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.

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Robert G. Schirmer among 5,735 internal medicine physician records in Michigan

Robert G. Schirmer, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 52% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 internal medicine physician records list a practice address in Charlotte

They are 4 of the 202 NPPES records with a practice address in Charlotte, and 5,735 internal medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,735 in Michigan → Every provider in Charlotte → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jack Cribb, D.O.Charlotte, MI 488131497961635
  2. Debbie Hallak, DOCharlotte, MI 488131154493971
  3. Anthony Marl, DOCharlotte, MI 488131689694671
  4. Joe Patton, DOCarson City, MI 488111205800786
  5. Robert Seals, DOCarson City, MI 488111801862495
  6. Qamar Khan, M.D.Corunna, MI 488171861594277
  7. Robert Shannon, M.D.Belding, MI 488091992790315
  8. Muhammad RaisDewitt, MI 488201760640940

Common questions

What is Robert G. Schirmer, M.D.'s NPI number?

Robert G. Schirmer, M.D.'s National Provider Identifier (NPI) is 1396898524, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert G. Schirmer, M.D. located?

The NPPES record lists a practice address at 1033 Healthcare Dr, Charlotte, MI, 48813. Phone: (517) 541-2673. Providers update this record themselves, so call before visiting.

How can I verify Robert G. Schirmer, M.D.'s license?

NPPES lists Michigan license number 4301033853, 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.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.