NPPES file of Aug 9, 2026

Marites Q. Ansay, M.D.

Family Medicine Physician · Iron River, MI

Marites Q. Ansay, M.D. is a family medicine physician with a practice address in Iron River, Michigan, and NPI 1609871904, issued on Jun 15, 2005. Check the license (Michigan 4301071277, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609871904
Name
Marites Q. Ansay
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301071277 MI
Self-reported in NPPES; status is on the state search
Practice location
927 Riverside Plz, Iron River, MI 49935
Phone
(906) 265-2165
Enumerated
Jun 15, 2005
Record last updated
Sep 9, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
3516870 MI
Medicare enrollment
Enrolled (PECOS I20080411000082); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 927 Riverside Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brooke Rummelhoff, PA-CPhysician Assistant1497942395

Verify Marites Q. Ansay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301071277
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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49% more Medicare Part D claims than the average family medicine physician in 2024

5,287 Medicare Part D claims for 439 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 252 claims were for opioids.

  1. Marites Ansay5,287
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium290 claims
  2. Levothyroxine Sodium248 claims
  3. Lisinopril145 claims
  4. Amlodipine Besylate136 claims
  5. Simvastatin131 claims
  6. Losartan Potassium126 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 98.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score95.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $31.13

2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.

  1. Marites Ansay$31.13
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Aspirus Iron River Hospital And Clinics IncCrystal Falls, MI
  2. Aspirus Ironwood Hospital And Clinics IncIronwood, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

4 family medicine physician records list a practice address in Iron River

They are 4 of the 92 NPPES records with a practice address in Iron River, and 6,013 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Marites Q. Ansay, M.D.'s NPI number?

Marites Q. Ansay, M.D.'s National Provider Identifier (NPI) is 1609871904, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marites Q. Ansay, M.D. located?

The NPPES record lists a practice address at 927 Riverside Plz, Iron River, MI, 49935. Phone: (906) 265-2165. Providers update this record themselves, so call before visiting.

How can I verify Marites Q. Ansay, M.D.'s license?

NPPES lists Michigan license number 4301071277, 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 Marites Q. Ansay, M.D. prescribe under Medicare Part D?

In 2024, Marites Q. Ansay, M.D. had 5,287 Medicare Part D claims for 439 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Marites Q. Ansay, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.