Aparna Batlapenumarthy, MD
Internal Medicine Physician · Sunnyvale, CA
Aparna Batlapenumarthy, MD is an internal medicine physician with a practice address in Sunnyvale, California, and NPI 1598947962, issued on Nov 28, 2007. Check the license (California C177057, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aparna Batlapenumarthy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C177057 CA
252555 MA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Old San Francisco RD, Sunnyvale, CA 94086
- Phone
- (408) 730-4360
- Enumerated
- Nov 28, 2007
- Entity
- Type 1 · individual
Also registered at 301 Old San Francisco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
- Aisha AminInternal Medicine Physician1013440981
- Joyce Ang, MDStudent in an Organized Health Care Education/Training Program1346634698
- Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709
Verify Aparna Batlapenumarthy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C177057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
313 Medicare Part D claims for 90 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium30 claims
- Amlodipine Besylate19 claims
- Telmisartan14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- Sutter Bay Medical FoundationSunnyvale, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
47 internal medicine physician records list a Sunnyvale practice address
They are 47 of the 1,690 NPPES records with a Sunnyvale practice address, and 20,403 internal medicine physician records in California.
All 47 in Sunnyvale → All 20,403 in California → Every provider in Sunnyvale →
Other internal medicine physician records in California
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- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Aparna Batlapenumarthy, MD's NPI number?
Aparna Batlapenumarthy, MD's National Provider Identifier (NPI) is 1598947962, issued on Nov 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aparna Batlapenumarthy, MD located?
The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4360. Providers update this record themselves, so call before visiting.
How can I verify Aparna Batlapenumarthy, MD's license?
NPPES lists California license number C177057, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aparna Batlapenumarthy, MD prescribe under Medicare Part D?
In 2024, Aparna Batlapenumarthy, MD had 313 Medicare Part D claims for 90 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.