NPPES file of Aug 9, 2026

Maria Ruiz, M.D.

Physical Medicine & Rehabilitation Physician · Warren, MI

Maria Ruiz, M.D. is a physical medicine & rehabilitation physician with a practice address in Warren, Michigan, and NPI 1609883495, issued on Aug 2, 2006. Check the license (Michigan 4301080281, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609883495
Name
Maria Ruiz
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
4301080281 MI
Self-reported in NPPES; status is on the state search
Practice location
2243 E 12 Mile RD, Warren, MI 48092
Phone
(586) 573-8100
Enumerated
Aug 2, 2006
Record last updated
May 14, 2024
Fax
(586) 573-8101
Medicaid ID
4472995 MI
Medicare enrollment
Enrolled (PECOS I20100304000536); 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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8 nearest physical medicine & rehabilitation physician records → All 742 in Michigan → Look up another NPI →

Also registered at 2243 E 12 Mile RD

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

  1. Thirupathi AllalaPhysical Therapist1255604344
  2. Anna Marie Carter, LMTMassage Therapist1245061753
  3. Michael Greiner, NP-C, D.C.Nurse Practitioner1942452453
  4. Ali HaidarMassage Therapist1306583240
  5. Christopher HarrisMassage Therapist1518824770
  6. Jacob L'Hote, LMTMassage Therapist1780160622

Verify Maria Ruiz 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 4301080281    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.9 times the Medicare Part D claims of the average physical medicine & rehabilitation physician in 2024

3,589 Medicare Part D claims for 292 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 1,982 claims were for opioids.

  1. Maria Ruiz3,589
  2. Specialty average727

Most prescribed

  1. Oxycodone-Acetaminophen767 claims
  2. Hydrocodone-Acetaminophen756 claims
  3. Gabapentin259 claims
  4. Tizanidine Hcl235 claims
  5. Cyclobenzaprine Hcl230 claims
  6. Oxycodone Hcl186 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: $3,668.52

33 payments; by number, the most common kind was food and beverage; the largest payer was Zavation Medical Products, LLC. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Ruiz$3,668.52
  2. Specialty average$1,237.86

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

  1. Medcare IncWarren, MI

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

Maria Ruiz among 742 physical medicine & rehabilitation physician records in Michigan

Maria Ruiz, M.D. is one of 742 physical medicine & rehabilitation physician records with a practice address in Michigan. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 67% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2006 · median 2008 among the 390 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Michigan

There are 742 physical medicine & rehabilitation physician records in Michigan.

All 742 in Michigan → Every provider in Warren → Physical Medicine & Rehabilitation Physician nationwide →

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. La Donna Johns, OTRWarren, MI 480921396926622
  2. Brigido Mapili, RPTWarren, MI 480921659550903
  3. Eric Backos, M.D.Warren, MI 480931780625251
  4. Sean Ferguson, PT, DPTWarren, MI 480931447875745
  5. Natasha Mehta, DOWarren, MI 480931962038885
  6. Anthony Oddo, D.O.Warren, MI 480931538375720
  7. Asit Ray, MDWarren, MI 480931932111572
  8. Jeffrey Middeldorf, D.O.Warren, MI 480891063528958

Common questions

What is Maria Ruiz, M.D.'s NPI number?

Maria Ruiz, M.D.'s National Provider Identifier (NPI) is 1609883495, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria Ruiz, M.D. located?

The NPPES record lists a practice address at 2243 E 12 Mile RD, Warren, MI, 48092. Phone: (586) 573-8100. Providers update this record themselves, so call before visiting.

How can I verify Maria Ruiz, M.D.'s license?

NPPES lists Michigan license number 4301080281, 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 Maria Ruiz, M.D. prescribe under Medicare Part D?

In 2024, Maria Ruiz, M.D. had 3,589 Medicare Part D claims for 292 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.