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

Rheumatology

Leena Geetha Adhikesavan, MD

Sees patients in South San Francisco, CA · California

Summary

Leena Geetha Adhikesavan, MD (Rheumatology) is enrolled with Medicare at 1 practice location in South San Francisco, CA. NPI 1689735201. 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 Leena Geetha Adhikesavan, 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
28Years since medical school (graduated 1998)
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Leena Geetha Adhikesavan 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 Leena Geetha Adhikesavan's specialty?
Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
Does Leena Geetha Adhikesavan accept Medicare assignment?
Yes. Medicare's clinician data says Leena Geetha Adhikesavan 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 Leena Geetha Adhikesavan?
(650) 742-2000, as listed in official Medicare / NPI Registry data.
What is Leena Geetha Adhikesavan's NPI number?
1689735201. 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 Leena Geetha Adhikesavan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Leena Geetha Adhikesavan 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 California

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

All rheumatologists in California →

Clinician information

CredentialMD
Graduation year1998
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689735201
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