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General Practice

Diana M. Johns, MD

Sees patients in Gilroy, CA · Santa Clara, CA · California

Summary

Diana M. Johns, MD (General Practice) is enrolled with Medicare at 2 practice locations in Gilroy, CA and Santa Clara, CA. NPI 1639213564. 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 Diana M. Johns, 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

General PracticePrimary specialty
YesAccepts Medicare assignment
44Years since medical school (graduated 1982)
University Of Texas Medical Branch At GalvestonMedical school
FemaleGender (as listed)
American Current Care of California a Medical CorporationGroup practice

Quick answers

Where does Diana M. Johns see patients?
Medicare's clinician data lists 2 practice locations, including Gilroy, CA and Santa Clara, CA. Call before your visit to confirm the address.
What is Diana M. Johns's specialty?
Medicare lists General Practice as the primary specialty.
Does Diana M. Johns accept Medicare assignment?
Yes. Medicare's clinician data says Diana M. Johns 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 Diana M. Johns?
(408) 848-0444, as listed in official Medicare / NPI Registry data.
What is Diana M. Johns's NPI number?
1639213564. 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 Diana M. Johns is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • American Current Care of California a Medical Corporation130 clinicians in the group

Specialties

Find other General Practice doctors in California →

Other general practitioners in California

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

All general practitioners in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year1982
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639213564
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