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Internal Medicine

Stephen Sheerin, MD

Sees patients in Santa Rosa, CA · California

Summary

Stephen Sheerin, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Santa Rosa, CA. NPI 1265427207. 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 Stephen Sheerin, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
53Years since medical school (graduated 1973)
Creighton University School Of MedicineMedical school
MaleGender (as listed)
Santa Rosa Community Health CentersGroup practice

Quick answers

Where does Stephen Sheerin see patients?
Medicare's clinician data lists 1 practice location in Santa Rosa, CA. Call before your visit to confirm the address.
What is Stephen Sheerin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Stephen Sheerin accept Medicare assignment?
Yes. Medicare's clinician data says Stephen Sheerin 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 Stephen Sheerin?
(707) 303-3600, as listed in official Medicare / NPI Registry data.
What is Stephen Sheerin's NPI number?
1265427207. 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 Stephen Sheerin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen Sheerin as a member of this group (CMS data updated 2026-10-02).

  • Santa Rosa Community Health Centers63 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Santa Rosa

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

All internal medicine doctors in Santa Rosa →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265427207
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