NPPES file of Aug 9, 2026

Frank J. Hamlett, M.D.

Psychiatry Physician · Saginaw, MI

Frank J. Hamlett, M.D. is a psychiatry physician with a practice address in Saginaw, Michigan, and NPI 1659377760, issued on Jun 23, 2005. Check the license 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
1659377760
Name
Frank J. Hamlett
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD055290L PA
Self-reported in NPPES; status is on the state search
Practice location
1000 Houghton Ave, Saginaw, MI 48602
Phone
(989) 583-6800
Enumerated
Jun 23, 2005
Record last updated
Sep 9, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(989) 583-6915
Medicare enrollment
Enrolled (PECOS I20101230000776); 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.
Download card Updates feed

8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →

Also registered at 1000 Houghton Ave

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

  1. Ramzi Abbasi, MDInternal Medicine Physician1164270005
  2. Doaa AbouallaPediatrics Physician1861282337
  3. Layla Abubshait, M.DEmergency Medicine Physician1689014631
  4. Sara Adibi, M.D.Emergency Medicine Physician1114280401
  5. Hussein Al Amer, MBBSEmergency Medicine Physician1144620311
  6. Omaima Al Sinan, M.DObstetrics & Gynecology Physician1013220144

Verify Frank J. Hamlett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)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. Eastern Pennsylvania Physician Alliance, LLCCentre Hall, PA

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

Frank J. Hamlett among 1,729 psychiatry physician records in Michigan

Frank J. Hamlett, M.D. is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1990 · median 2005 among the 828 with a school on file
  • Record last updated2014 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 psychiatry physician records list a practice address in Saginaw

They are 71 of the 6,008 NPPES records with a practice address in Saginaw, and 1,729 psychiatry physician records in Michigan.

All 1,729 in Michigan → Every provider in Saginaw → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Thomas Bills, M.D.Saginaw, MI 486021083096184
  2. Ronald Bradley, DO PHDSaginaw, MI 486021568408615
  3. Ryan Cox, M.D.Saginaw, MI 486021275983298
  4. Sonia Dhaliwal, MDSaginaw, MI 486021245723634
  5. James Dillon, M.D.Saginaw, MI 486021770832008
  6. Samantha GrosteffonSaginaw, MI 486021740774058
  7. Ashley Jones, MDSaginaw, MI 486021669096723
  8. Ferdnand Osuagwu, M.DSaginaw, MI 486021336551738

Common questions

What is Frank J. Hamlett, M.D.'s NPI number?

Frank J. Hamlett, M.D.'s National Provider Identifier (NPI) is 1659377760, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Frank J. Hamlett, M.D. located?

The NPPES record lists a practice address at 1000 Houghton Ave, Saginaw, MI, 48602. Phone: (989) 583-6800. Providers update this record themselves, so call before visiting.

How can I verify Frank J. Hamlett, M.D.'s license?

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.

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.