NPPES file of Aug 9, 2026

Abbey Dwinnells

Psychiatry Physician · Saginaw, MI

Abbey Dwinnells is a psychiatry physician with a practice address in Saginaw, Michigan, and NPI 1306578703, issued on Jun 26, 2022. Check the license (Michigan 4351053179, 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
1306578703
Name
Abbey Dwinnells
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
4351053179 MI
Self-reported in NPPES; status is on the state search
Practice location
700 Cooper Ave, Saginaw, MI 48602
Phone
(989) 583-0000
Enumerated
Jun 26, 2022
Record last updated
Apr 30, 2024
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 700 Cooper Ave

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

  1. Bianca Abboud, FNPFamily Nurse Practitioner1588437404
  2. Nabila AhmedStudent in an Organized Health Care Education/Training Program1184555914
  3. Nadir Al-SaidiStudent in an Organized Health Care Education/Training Program1396670675
  4. Syed Alam, MDAnesthesiology Physician1184810681
  5. Abdulghafoor AlaniStudent in an Organized Health Care Education/Training Program1427898469
  6. Ian Alsgaard, APRNAdult Health Nurse Practitioner1245213792

Verify Abbey Dwinnells 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 4351053179
    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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95% fewer Medicare Part D claims than the average psychiatry physician in 2024

48 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Abbey Dwinnells48
  2. Specialty average1,000

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.

Abbey Dwinnells among 1,729 psychiatry physician records in Michigan

Abbey Dwinnells 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 2022, is newer than 88% of them.

  • NPI issued2022 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2024 · 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.

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. Frank Hamlett, M.D.Saginaw, MI 486021659377760
  8. Ashley Jones, MDSaginaw, MI 486021669096723

Common questions

What is Abbey Dwinnells's NPI number?

Abbey Dwinnells's National Provider Identifier (NPI) is 1306578703, issued on Jun 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Abbey Dwinnells located?

The NPPES record lists a practice address at 700 Cooper Ave, Saginaw, MI, 48602. Phone: (989) 583-0000. Providers update this record themselves, so call before visiting.

How can I verify Abbey Dwinnells's license?

NPPES lists Michigan license number 4351053179, 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 Abbey Dwinnells prescribe under Medicare Part D?

In 2024, Abbey Dwinnells had 48 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.

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.