John Austin Carr, D.O.
Obstetrics & Gynecology Physician · Grand Blanc, MI
John Austin Carr, D.O. is an obstetrics & gynecology physician with a practice address in Grand Blanc, Michigan, and NPI 1861886665, issued on Mar 19, 2015. Check the license (Michigan 5101024656, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Austin Carr
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 5101024656 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4620 Genesys Pkwy, Grand Blanc, MI 48439
- Phone
- (810) 606-7190
- Enumerated
- Mar 19, 2015
- Record last updated
- May 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190709001567); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2015
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 4620 Genesys Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carrie Bryant, PA-CMedical Physician Assistant1528379302
- Sarah Carpenter, PA-CMedical Physician Assistant1356635569
- Caramarie Jackson, PA-CMedical Physician Assistant1518047133
- Deborah Peck, PA-CMedical Physician Assistant1548282098
Verify John Austin Carr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101024656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
24 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $93.12
4 payments; by number, the most common kind was food and beverage; the largest payer was Axonics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Genesys Practice Partners IncGrand Blanc, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Austin Carr among 1,776 obstetrics & gynecology physician records in Michigan
John Austin Carr, D.O. is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% 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 69% of them.
- NPI issued2015 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2007 among the 1,003 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 obstetrics & gynecology physician records list a practice address in Grand Blanc
They are 31 of the 1,735 NPPES records with a practice address in Grand Blanc, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Grand Blanc → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Anastasia Arab, D.O.Grand Blanc, MI 484391740549070
- Ellen Bianchi, DOGrand Blanc, MI 484391679953889
- Julianna Friesen, D.O.Grand Blanc, MI 484391265895031
- Katelyn Hartung, D.O.Grand Blanc, MI 484391063810497
- Keith Heslinger, M.D.Grand Blanc, MI 484391275540718
- Kendra Johnson, D.O.Grand Blanc, MI 484391205060761
- Joseph Kingsbury, D.O.Grand Blanc, MI 484391063458149
- Martin Lapa, D.O.Grand Blanc, MI 484391639184070
Common questions
What is John Austin Carr, D.O.'s NPI number?
John Austin Carr, D.O.'s National Provider Identifier (NPI) is 1861886665, issued on Mar 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John Austin Carr, D.O. located?
The NPPES record lists a practice address at 4620 Genesys Pkwy, Grand Blanc, MI, 48439. Phone: (810) 606-7190. Providers update this record themselves, so call before visiting.
How can I verify John Austin Carr, D.O.'s license?
NPPES lists Michigan license number 5101024656, 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 Austin Carr, D.O. prescribe under Medicare Part D?
In 2024, John Austin Carr, D.O. had 24 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.