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Rheumatology

Alan M. Seif, DO

Sees patients in Stockton, CA · Richmond, CA · California

Summary

Alan M. Seif, DO (Rheumatology) is enrolled with Medicare at 2 practice locations in Stockton, CA and Richmond, CA. NPI 1417182239. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alan M. Seif, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

RheumatologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
Midwestern University, Chicago College Of Osteopathic MedMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Alan M. Seif see patients?
Medicare's clinician data lists 2 practice locations, including Stockton, CA and Richmond, CA. Call before your visit to confirm the address.
What is Alan M. Seif's specialty?
Medicare lists Rheumatology as the primary specialty.
Does Alan M. Seif accept Medicare assignment?
Yes. Medicare's clinician data says Alan M. Seif accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Alan M. Seif?
(209) 476-2000, as listed in official Medicare / NPI Registry data.
What is Alan M. Seif's NPI number?
1417182239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Alan M. Seif is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alan M. Seif as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Stockton

Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.

All rheumatologists in Stockton →

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417182239
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians