Earl Mac Marshall, MD
Family Medicine Physician · Monroe, MI
Earl Mac Marshall, MD is a family medicine physician with a practice address in Monroe, Michigan, and NPI 1699296012, issued on Jul 6, 2017. Check the license (Michigan 4301500770, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Earl Mac Marshall
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301500770 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1086 N Monroe St, Monroe, MI 48162
- Phone
- (734) 244-5380
- Enumerated
- Jul 6, 2017
- Record last updated
- Aug 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (734) 244-5795
- Medicare enrollment
- Enrolled (PECOS I20200827001867); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 1086 N Monroe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Hulsemann, MDFamily Medicine Physician1356348718
Verify Earl Mac Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301500770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average family medicine physician in 2024
1,149 Medicare Part D claims for 97 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 57 claims were for opioids.
Most prescribed
- Amlodipine Besylate65 claims
- Gabapentin54 claims
- Atorvastatin Calcium50 claims
- Losartan Potassium42 claims
- Metformin Hcl41 claims
- Omeprazole36 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
- Frio Hospital AssociationPearsall, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Earl Mac Marshall among 6,013 family medicine physician records in Michigan
Earl Mac Marshall, MD 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).
64 family medicine physician records list a practice address in Monroe
They are 64 of the 1,305 NPPES records with a practice address in Monroe, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Monroe → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Compean, M.D.Monroe, MI 481621811167513
- James Doyle, DOMonroe, MI 481621982679262
- Mohamed Elgahmi, M.D.Monroe, MI 481621871515767
- Laura Grima, MDMonroe, MI 481621144200650
- Susan Hulsemann, MDMonroe, MI 481621356348718
- Christina Lucas-Vougiouklakis, D.O.Monroe, MI 481621356559496
- James Miller, D.O.Monroe, MI 481621841297256
- William Murdoch, MDMonroe, MI 481621841490265
Common questions
What is Earl Mac Marshall, MD's NPI number?
Earl Mac Marshall, MD's National Provider Identifier (NPI) is 1699296012, issued on Jul 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Earl Mac Marshall, MD located?
The NPPES record lists a practice address at 1086 N Monroe St, Monroe, MI, 48162. Phone: (734) 244-5380. Providers update this record themselves, so call before visiting.
How can I verify Earl Mac Marshall, MD's license?
NPPES lists Michigan license number 4301500770, 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 Earl Mac Marshall, MD prescribe under Medicare Part D?
In 2024, Earl Mac Marshall, MD had 1,149 Medicare Part D claims for 97 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.