John Robert Clark, M.D.
Obstetrics & Gynecology Physician · Coldwater, MI
John Robert Clark, M.D. is an obstetrics & gynecology physician with a practice address in Coldwater, Michigan, and NPI 1457353575, issued on Aug 10, 2005. Check the license (Michigan JC062758, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Robert Clark
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- JC062758 MI
01044745A IN
6766 ND
Self-reported in NPPES; status is on the state search - Practice location
- 370 E Chicago St Ste 400, Coldwater, MI 49036
- Phone
- (517) 279-8465
- Enumerated
- Aug 10, 2005
- Record last updated
- Aug 12, 2024
- Fax
- (517) 279-8665
- Medicaid ID
- 3044976 MI
- Medicare enrollment
- Enrolled (PECOS I20101208000422); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Verify John Robert Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license JC062758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
111 Medicare Part D claims for 34 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Venlafaxine Hcl Er23 claims
- Nitrofurantoin Mono-Macro18 claims
- Fluconazole12 claims
- Estradiol11 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: $18.87
1 payment: food and beverage; the largest payer was Pfizer 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
- Community Health Center OF Branch CountyColdwater, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Robert Clark among 1,776 obstetrics & gynecology physician records in Michigan
John Robert Clark, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1984 · median 2007 among the 1,003 with a school on file
- Record last updated2024 · 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).
Obstetrics & Gynecology Physician providers in Michigan
There are 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Coldwater → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Edward Lake, M.D.Coldwater, MI 490361962456822
- Sabeena Pradhan, MDColdwater, MI 490361750337648
- Jeffrey Custer, M.D.Battle Creek, MI 490371992747950
- Donald McKeel, D.O., F.A.C.O.G.Battle Creek, MI 490371194715250
- Lindsay WristonBattle Creek, MI 490371952531469
- Tempest Allen, MDPortage, MI 490241699755207
- Jennifer Carman, MDPortage, MI 490241952453474
- Michael HardimanKalamazoo, MI 490481881701027
Common questions
What is John Robert Clark, M.D.'s NPI number?
John Robert Clark, M.D.'s National Provider Identifier (NPI) is 1457353575, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Robert Clark, M.D. located?
The NPPES record lists a practice address at 370 E Chicago St Ste 400, Coldwater, MI, 49036. Phone: (517) 279-8465. Providers update this record themselves, so call before visiting.
How can I verify John Robert Clark, M.D.'s license?
NPPES lists Michigan license number JC062758, 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 Robert Clark, M.D. prescribe under Medicare Part D?
In 2024, John Robert Clark, M.D. had 111 Medicare Part D claims for 34 beneficiaries; 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.