Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hand Surgery

James E. Johnson, MD

Sees patients in South San Francisco, CA · California

Summary

James E. Johnson, MD (Hand Surgery) is enrolled with Medicare at 1 practice location in South San Francisco, CA. NPI 1043398670. 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 E. Johnson, 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

Hand SurgeryPrimary specialty
YesAccepts Medicare assignment
56Years since medical school (graduated 1970)
University Of Cincinnati College Of MedicineMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does James E. Johnson see patients?
Medicare's clinician data lists 1 practice location in South San Francisco, CA. Call before your visit to confirm the address.
What is James E. Johnson's specialty?
Medicare lists Hand Surgery as the primary specialty.
Does James E. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says James E. Johnson 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 E. Johnson?
(650) 742-2000, as listed in official Medicare / NPI Registry data.
What is James E. Johnson's NPI number?
1043398670. 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 E. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Hand Surgery doctors in California →

Other hand surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All hand surgeons in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year1970
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043398670
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