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Ophthalmology

James A. Carolan, MD

Sees patients in Stockton, CA · California

Summary

James A. Carolan, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in Stockton, CA. NPI 1316940620. 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 James A. Carolan, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
Saint Louis University School Of MedicineMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does James A. Carolan see patients?
Medicare's clinician data lists 1 practice location in Stockton, CA. Call before your visit to confirm the address.
What is James A. Carolan's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does James A. Carolan accept Medicare assignment?
Yes. Medicare's clinician data says James A. Carolan 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 James A. Carolan?
(209) 476-2000, as listed in official Medicare / NPI Registry data.
What is James A. Carolan's NPI number?
1316940620. 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 James A. Carolan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James A. Carolan as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Stockton

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

All ophthalmologists in Stockton →

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316940620
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