NPPES file of Aug 9, 2026

Cynthia A. Ruiz, MD

Pediatrics Physician · Howell, MI

Cynthia A. Ruiz, MD is a pediatrics physician with a practice address in Howell, Michigan, and NPI 1831105006, issued on Jul 31, 2006. Check the license (Michigan 4301068518, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831105006
Name
Cynthia A. Ruiz
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
4301068518 MI
Self-reported in NPPES; status is on the state search
Practice location
3399 E Grand River Ave Ste 202, Howell, MI 48843
Phone
(517) 548-1020
Enumerated
Jul 31, 2006
Record last updated
Nov 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
4322998 MI
Medicare enrollment
Enrolled (PECOS I20080717000592); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1996
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.
Download card Updates feed

Also registered at 3399 E Grand River Ave Ste 202

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

  1. Najiha AlamStudent in an Organized Health Care Education/Training Program1689461592
  2. Donna Genyk, MSWClinical Social Worker1134644628
  3. Shane Tripp, MDStudent in an Organized Health Care Education/Training Program1366238818
  4. Austin Waddell, MDStudent in an Organized Health Care Education/Training Program1013653427
  5. Josiah WarnerStudent in an Organized Health Care Education/Training Program1508452731
  6. Cheryl Wickham, MDPediatrics Physician1285687939

Verify Cynthia A. 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 4301068518
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Regents OF The University OF MichiganBrighton, MI

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

Cynthia A. Ruiz among 2,180 pediatrics physician records in Michigan

Cynthia A. Ruiz, MD is one of 2,180 pediatrics physician records with a practice address in Michigan. 38% 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, 56% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated1996 · median 2011 among the 235 with a school on file
  • Record last updated2019 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Michigan

There are 2,180 pediatrics physician records in Michigan.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Danielle Akers, M.D.Howell, MI 488431932496676
  2. Hannah Kanbach, MDHowell, MI 488431164003992
  3. Dongsoo Kim, M.D.Howell, MI 488431770739005
  4. Benjamin Maddock, M.D.Howell, MI 488431679004204
  5. Lauren Reed, MDHowell, MI 488431144480872
  6. Kristen Unsicker, MDHowell, MI 488431417515933
  7. Cheryl Wickham, MDHowell, MI 488431285687939
  8. Megan Zakerski, MDHowell, MI 488431881254621

Common questions

What is Cynthia A. Ruiz, MD's NPI number?

Cynthia A. Ruiz, MD's National Provider Identifier (NPI) is 1831105006, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia A. Ruiz, MD located?

The NPPES record lists a practice address at 3399 E Grand River Ave Ste 202, Howell, MI, 48843. Phone: (517) 548-1020. Providers update this record themselves, so call before visiting.

How can I verify Cynthia A. Ruiz, MD's license?

NPPES lists Michigan license number 4301068518, 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.

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.