Dexter D. Clark, DO
Family Medicine Physician · Marquette, MI
Dexter D. Clark, DO is a family medicine physician with a practice address in Marquette, Michigan, and NPI 1265967665, issued on Apr 24, 2017. Check the license (Michigan 5101023137, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Dexter D. Clark
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101023137 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1414 W Fair Ave, Marquette, MI 49855
- Phone
- (906) 225-3867
- Enumerated
- Apr 24, 2017
- Record last updated
- Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200604000942); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 1414 W Fair Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dexter D. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101023137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average family medicine physician in 2024
1,068 Medicare Part D claims for 87 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 59 claims were for opioids.
Most prescribed
- Atorvastatin Calcium60 claims
- Gabapentin59 claims
- Lisinopril49 claims
- Levothyroxine Sodium48 claims
- Hydrocodone-Acetaminophen34 claims
- Metoprolol Succinate33 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
- Dlp Marquette Physician Practices IncMarquette, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dexter D. Clark among 6,013 family medicine physician records in Michigan
Dexter D. Clark, DO 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 2017, is newer than 74% of them.
- NPI issued2017 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2008 among the 3,493 with a school on file
- Record last updated2020 · 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).
80 family medicine physician records list a practice address in Marquette
They are 80 of the 1,391 NPPES records with a practice address in Marquette, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Marquette → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Suzanne Clarke, MDMarquette, MI 498551932190832
- Matthew Doughty, MDMarquette, MI 498551316946411
- Fred Groos, MDMarquette, MI 498551467456400
- Daniel Hardie, M.D.Marquette, MI 498551669476925
- Leanne Hatfield, M.D.Marquette, MI 498551952305336
- Frederick Hoenke, MDMarquette, MI 498551710978853
- Stuart Johnson, DOMarquette, MI 498551861483901
- Lisa Long, MDMarquette, MI 498551326039462
Common questions
What is Dexter D. Clark, DO's NPI number?
Dexter D. Clark, DO's National Provider Identifier (NPI) is 1265967665, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Dexter D. Clark, DO located?
The NPPES record lists a practice address at 1414 W Fair Ave, Marquette, MI, 49855. Phone: (906) 225-3867. Providers update this record themselves, so call before visiting.
How can I verify Dexter D. Clark, DO's license?
NPPES lists Michigan license number 5101023137, 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 Dexter D. Clark, DO prescribe under Medicare Part D?
In 2024, Dexter D. Clark, DO had 1,068 Medicare Part D claims for 87 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.