NPPES file of Aug 9, 2026

Gwendolen Nicole Sinclair, MD

Pediatric Critical Care Medicine Physician · Saginaw, MI

Gwendolen Nicole Sinclair, MD is a pediatric critical care medicine physician with a practice address in Saginaw, Michigan, and NPI 1255645560, issued on Jul 28, 2010. Check the license (Michigan 4301102488, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255645560
Name
Gwendolen Nicole Sinclair
Credential
MD
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License number
4301102488 MI
Self-reported in NPPES; status is on the state search
Practice location
1447 N Harrison St, Saginaw, MI 48602
Phone
(989) 583-4114
Enumerated
Jul 28, 2010
Record last updated
Mar 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1447 N Harrison St

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

  1. Tammam Abdul-Aziz, MDAnesthesiology Physician1457343816
  2. Ameed Abdulrazzak, MDInternal Medicine Physician1902069016
  3. Diana Achatz, RDRegistered Dietitian1396937173
  4. Stephanie Adams, CRNACertified Registered Nurse Anesthetist1134597891
  5. Ali Ahmed, MDInternal Medicine Physician1043938319
  6. Abdo Alward, M.DHospitalist Physician1295772150

Verify Gwendolen Nicole Sinclair 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 4301102488
    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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Gwendolen Nicole Sinclair among 103 pediatric critical care medicine physician records in Michigan

Gwendolen Nicole Sinclair, MD is one of 103 pediatric critical care medicine physician records with a practice address in Michigan. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 51% of them.

  • NPI issued2010 · 51% of these records are older, 45% newer
  • In a Medicare fileNo · 45% of these records are
  • In the CMS Doctors and Clinicians fileNo · 33% of these records are
  • Record last updated2021 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0203X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Critical Care Medicine Physician providers in Michigan

There are 103 pediatric critical care medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatric critical care medicine physician records with the nearest ZIP codes

  1. Michael Fiore, MDSaginaw, MI 486021891801353
  2. Xuexin Lu, MDSaginaw, MI 486021730708058
  3. Haitham Salman, MDSaginaw, MI 486021659496727
  4. Brian Nolan, MDFlint, MI 485031992783534
  5. Emily Schapka, MDFlint, MI 485031104310556
  6. Mahesh Sharman, MDFlint, MI 485031437137064
  7. Paula Silva, MDFlint, MI 485031750575734
  8. George Zureikat, MDFlint, MI 485031891765426

Common questions

What is Gwendolen Nicole Sinclair, MD's NPI number?

Gwendolen Nicole Sinclair, MD's National Provider Identifier (NPI) is 1255645560, issued on Jul 28, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Gwendolen Nicole Sinclair, MD located?

The NPPES record lists a practice address at 1447 N Harrison St, Saginaw, MI, 48602. Phone: (989) 583-4114. Providers update this record themselves, so call before visiting.

How can I verify Gwendolen Nicole Sinclair, MD's license?

NPPES lists Michigan license number 4301102488, 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. 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.