Aparna Bala Sundaram, MD
Critical Care Medicine (Internal Medicine) Physician · San Francisco, CA
Aparna Bala Sundaram, MD is a critical care medicine (internal medicine) physician with a practice address in San Francisco, California, and NPI 1871756288, issued on Jul 7, 2008. Check the license (California A108543, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aparna Bala Sundaram
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- A108543 CA
AN524039453704 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1550 4TH Street, San Francisco, CA 94143
- Phone
- (415) 514-4275
- Enumerated
- Jul 7, 2008
- Record last updated
- Jan 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120525000583); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2006
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Verify Aparna Bala Sundaram in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A108543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Anesthesia Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aparna Bala Sundaram among 723 critical care medicine (internal medicine) physician records in California
Aparna Bala Sundaram, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 41% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · median 2005 among the 559 with a school on file
- Record last updated2017 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in San Francisco → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Christopher Barnett, MD, MPHSan Francisco, CA 941431538127717
- Sudhamayi Bhadriraju, M.D.San Francisco, CA 941431104116243
- Mallar Bhattacharya, MDSan Francisco, CA 941431063558757
- Samuel Brusca, M.D.San Francisco, CA 941431174942148
- Jonathan BudzikSan Francisco, CA 941431356632632
- Harold Collard, MDSan Francisco, CA 941431740245380
- Kenneth Fang, M.D.San Francisco, CA 941431760566020
- Yaron Gesthalter, MDSan Francisco, CA 941431013183599
Common questions
What is Aparna Bala Sundaram, MD's NPI number?
Aparna Bala Sundaram, MD's National Provider Identifier (NPI) is 1871756288, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Aparna Bala Sundaram, MD located?
The NPPES record lists a practice address at 1550 4TH Street, San Francisco, CA, 94143. Phone: (415) 514-4275. Providers update this record themselves, so call before visiting.
How can I verify Aparna Bala Sundaram, MD's license?
NPPES lists California license number A108543, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.