John Carr, M.D.
Family Medicine Physician · Rockford, MI
John Carr, M.D. is a family medicine physician with a practice address in Rockford, Michigan, and NPI 1821471509, issued on Jun 30, 2015. Check the license (Michigan 4301108246, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Carr
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301108246 MI
Self-reported in NPPES; status is on the state search - Practice location
- 6050 Northland Dr NE Ste 200, Rockford, MI 49341
- Phone
- (616) 685-8350
- Enumerated
- Jun 30, 2015
- Record last updated
- Sep 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (616) 363-8870
- Medicare enrollment
- Enrolled (PECOS I20170911000753); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 6050 Northland Dr NE Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Coon, PHARM.D., BCACPPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1649468067
- Heather CootsNurse Practitioner1316404148
- Sarah Meyle, RNNurse Practitioner1104530823
- Gabriella Rubino, M.D., M.S.Family Medicine Physician1538515648
- Camille Ryan, MDFamily Medicine Physician1306250543
- Kristin Vanderwell, RNPediatric Nurse Practitioner1316304744
Verify John Carr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301108246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family medicine physician in 2024
10,362 Medicare Part D claims for 858 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 340 claims were for opioids.
Most prescribed
- Atorvastatin Calcium702 claims
- Lisinopril490 claims
- Rosuvastatin Calcium404 claims
- Omeprazole382 claims
- Amlodipine Besylate357 claims
- Metoprolol Succinate356 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.
Bills Medicare through one group practice
- Advantage Health/saint Mary's Medical GroupCaledonia, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Carr among 6,013 family medicine physician records in Michigan
John Carr, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 68% of them.
- NPI issued2015 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2008 among the 3,493 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 family medicine physician records list a practice address in Rockford
They are 21 of the 493 NPPES records with a practice address in Rockford, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Rockford → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Clark, D.O.Rockford, MI 493411184987711
- Daniel Cunningham, D.O.Rockford, MI 493411205890605
- Aaron Defrang, DORockford, MI 493411689886608
- Gerald Durfee, MDRockford, MI 493411821040858
- Shannon Fritz, D.O.Rockford, MI 493411952641060
- William Granger, M.D.Rockford, MI 493411689982159
- Marc Helzer, M.D.Rockford, MI 493411144249053
- Joshua Koenig, D.O.Rockford, MI 493411275828683
Common questions
What is John Carr, M.D.'s NPI number?
John Carr, M.D.'s National Provider Identifier (NPI) is 1821471509, issued on Jun 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John Carr, M.D. located?
The NPPES record lists a practice address at 6050 Northland Dr NE Ste 200, Rockford, MI, 49341. Phone: (616) 685-8350. Providers update this record themselves, so call before visiting.
How can I verify John Carr, M.D.'s license?
NPPES lists Michigan license number 4301108246, 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 Carr, M.D. prescribe under Medicare Part D?
In 2024, John Carr, M.D. had 10,362 Medicare Part D claims for 858 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.