NPPES file of Aug 9, 2026

James Thomas Ryan, D.O.

Family Medicine Physician · Ludington, MI

James Thomas Ryan, D.O. is a family medicine physician with a practice address in Ludington, Michigan, and NPI 1437271996, issued on Apr 4, 2007. Check the license (Michigan 5101016838, 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
1437271996
Name
James Thomas Ryan
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101016838 MI
Self-reported in NPPES; status is on the state search
Practice location
300 S Rath Ave, Ludington, MI 49431
Phone
(231) 425-4447
Enumerated
Apr 4, 2007
Record last updated
Oct 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(231) 425-4401
Medicaid ID
1437271996 MI
Medicare enrollment
Enrolled (PECOS I20090624000438); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2006
Telehealth
Offers telehealth (CMS)
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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Also registered at 300 S Rath Ave

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

  1. Robert Crompton, MDFamily Medicine Physician1760404214
  2. Charles Pollard, M.D.Family Medicine Physician1851435283

Verify James Thomas Ryan 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 5101016838
    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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73% more Medicare Part D claims than the average family medicine physician in 2024

6,126 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 132 claims were for opioids.

  1. James Ryan6,126
  2. Specialty average3,544

Most prescribed

  1. Lisinopril474 claims
  2. Atorvastatin Calcium441 claims
  3. Amlodipine Besylate307 claims
  4. Levothyroxine Sodium262 claims
  5. Omeprazole246 claims
  6. Metformin Hcl157 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.

James Thomas Ryan among 6,013 family medicine physician records in Michigan

James Thomas Ryan, D.O. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2006 · median 2008 among the 3,493 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 family medicine physician records list a practice address in Ludington

They are 13 of the 481 NPPES records with a practice address in Ludington, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Elizabeth Bolzman, MDLudington, MI 494311932788841
  2. Robert Crompton, MDLudington, MI 494311760404214
  3. Matthew Holden, M.D.Ludington, MI 494311578913265
  4. Stephen Manuszak, M.D.Ludington, MI 494311295185478
  5. Jennifer Miller, D.O.Ludington, MI 494311790789568
  6. Timothy O Callaghan, DOLudington, MI 494311982604617
  7. Amanda Overmyer, M.D.Ludington, MI 494311104011394
  8. Charles Pollard, M.D.Ludington, MI 494311851435283

Common questions

What is James Thomas Ryan, D.O.'s NPI number?

James Thomas Ryan, D.O.'s National Provider Identifier (NPI) is 1437271996, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Thomas Ryan, D.O. located?

The NPPES record lists a practice address at 300 S Rath Ave, Ludington, MI, 49431. Phone: (231) 425-4447. Providers update this record themselves, so call before visiting.

How can I verify James Thomas Ryan, D.O.'s license?

NPPES lists Michigan license number 5101016838, 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 James Thomas Ryan, D.O. prescribe under Medicare Part D?

In 2024, James Thomas Ryan, D.O. had 6,126 Medicare Part D claims for 442 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.