NPPES file of Aug 9, 2026

James Crowley Segerson, M.D.

Internal Medicine Physician · Dearborn, MI

James Crowley Segerson, M.D. is an internal medicine physician with a practice address in Dearborn, Michigan, and NPI 1467480186, issued on Jun 29, 2006. Check the license (Michigan 048774, 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
1467480186
Name
James Crowley Segerson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
048774 MI
Self-reported in NPPES; status is on the state search
Practice location
1 American RD, Dearborn, MI 48126
Phone
(313) 322-1131
Enumerated
Jun 29, 2006
Record last updated
Mar 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(313) 845-8659
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 1 American RD

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

  1. Lisa Beers, MDOccupational Medicine Physician1720145972
  2. Walter Talamonti, M.D.Occupational Medicine Physician1265403836

Verify James Crowley Segerson 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 048774
    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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63% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,186 Medicare Part D claims for 98 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 79 claims were for opioids.

  1. James Segerson1,186
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium51 claims
  2. Atorvastatin Calcium43 claims
  3. Metoprolol Succinate38 claims
  4. Alprazolam37 claims
  5. Lisinopril35 claims
  6. Gabapentin33 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.

Industry payments in 2024: $158.91

10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Segerson$158.91
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Crowley Segerson among 5,735 internal medicine physician records in Michigan

James Crowley Segerson, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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, 60% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

191 internal medicine physician records list a practice address in Dearborn

They are 191 of the 5,481 NPPES records with a practice address in Dearborn, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Belal Abdallah, M.D.Dearborn, MI 481261447230941
  2. Mayada Abdul-Aziz, M.D.Dearborn, MI 481261699755173
  3. Sami Abufarha, MDDearborn, MI 481261104895697
  4. Raad Alsaraf, MDDearborn, MI 481261851399471
  5. Vijayalakshmi Arunachalam, MDDearborn, MI 481261790764587
  6. Eliezer De Leon, M.D.Dearborn, MI 481261578536009
  7. Allan Dobzyniak, M.D.Dearborn, MI 481261609856871
  8. Walid Harb, MDDearborn, MI 481261710966569

Common questions

What is James Crowley Segerson, M.D.'s NPI number?

James Crowley Segerson, M.D.'s National Provider Identifier (NPI) is 1467480186, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Crowley Segerson, M.D. located?

The NPPES record lists a practice address at 1 American RD, Dearborn, MI, 48126. Phone: (313) 322-1131. Providers update this record themselves, so call before visiting.

How can I verify James Crowley Segerson, M.D.'s license?

NPPES lists Michigan license number 048774, 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 Crowley Segerson, M.D. prescribe under Medicare Part D?

In 2024, James Crowley Segerson, M.D. had 1,186 Medicare Part D claims for 98 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.