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Internal Medicine

Aparna Batlapenumarthy, MD

Sees patients in Sunnyvale, CA · Los Altos, CA · California

Summary

Aparna Batlapenumarthy, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Sunnyvale, CA and Los Altos, CA. NPI 1598947962. 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 Aparna Batlapenumarthy, 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
YesOffers telehealth
25Years since medical school (graduated 2001)
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Aparna Batlapenumarthy see patients?
Medicare's clinician data lists 2 practice locations, including Sunnyvale, CA and Los Altos, CA. Call before your visit to confirm the address.
What is Aparna Batlapenumarthy's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Aparna Batlapenumarthy accept Medicare assignment?
Yes. Medicare's clinician data says Aparna Batlapenumarthy 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.
Does Aparna Batlapenumarthy offer telehealth?
Medicare's clinician data says Aparna Batlapenumarthy offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Aparna Batlapenumarthy?
(408) 739-6000, as listed in official Medicare / NPI Registry data.
What is Aparna Batlapenumarthy's NPI number?
1598947962. 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 Aparna Batlapenumarthy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Sunnyvale

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

All internal medicine doctors in Sunnyvale →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598947962
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