Erminda Mercurio Marinas, M.D.
Family Medicine Physician · Okemos, MI
Erminda Mercurio Marinas, M.D. is a family medicine physician with a practice address in Okemos, Michigan, and NPI 1952571135, issued on Mar 4, 2008. Check the license (Michigan 4301082124, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Erminda Mercurio Marinas
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301082124 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4265 Okemos RD, Okemos, MI 48864
- Phone
- (517) 349-3444
- Enumerated
- Mar 4, 2008
- Record last updated
- Mar 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (517) 349-4330
- Medicare enrollment
- Enrolled (PECOS I20090910000616); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 4265 Okemos RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erminda Mercurio Marinas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301082124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average family medicine physician in 2024
2,168 Medicare Part D claims for 212 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. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium236 claims
- Lisinopril122 claims
- Metformin Hcl91 claims
- Levothyroxine Sodium84 claims
- Amlodipine Besylate80 claims
- Losartan Potassium72 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: $528.89
18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Erminda Mercurio Marinas among 6,013 family medicine physician records in Michigan
Erminda Mercurio Marinas, 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1987 · median 2008 among the 3,493 with a school on file
- Record last updated2008 · 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).
33 family medicine physician records list a practice address in Okemos
They are 33 of the 1,487 NPPES records with a practice address in Okemos, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Okemos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Maher Al-Sheikh, MDOkemos, MI 488641467565440
- Joseph Armovit, D.O.Okemos, MI 488641457308330
- Quinn Bosworth, DOOkemos, MI 488641063440592
- Kashmira Chinoy, M.D.Okemos, MI 488641831184928
- George Horn, MDOkemos, MI 488641245298603
- William Mangan, DOOkemos, MI 488641851392195
- Vicki Manzano, DOOkemos, MI 488641124006259
- Orlando Matias, D.OOkemos, MI 488641992773402
Common questions
What is Erminda Mercurio Marinas, M.D.'s NPI number?
Erminda Mercurio Marinas, M.D.'s National Provider Identifier (NPI) is 1952571135, issued on Mar 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Erminda Mercurio Marinas, M.D. located?
The NPPES record lists a practice address at 4265 Okemos RD, Okemos, MI, 48864. Phone: (517) 349-3444. Providers update this record themselves, so call before visiting.
How can I verify Erminda Mercurio Marinas, M.D.'s license?
NPPES lists Michigan license number 4301082124, 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 Erminda Mercurio Marinas, M.D. prescribe under Medicare Part D?
In 2024, Erminda Mercurio Marinas, M.D. had 2,168 Medicare Part D claims for 212 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.