Shefali Talwar, M.D.
Infectious Disease Physician · San Mateo, CA
Shefali Talwar, M.D. is an infectious disease physician with a practice address in San Mateo, California, and NPI 1376557843, issued on Jul 28, 2006. Check the license (California A86303, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shefali Talwar
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A86303 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39 N San Mateo Dr Ste 4, San Mateo, CA 94401
- Phone
- (650) 897-4554
- Enumerated
- Jul 28, 2006
- Record last updated
- Jul 9, 2025
- Fax
- (650) 897-4542
- Medicaid ID
- 00A863030 CA
- Medicare enrollment
- Enrolled (PECOS I20040827001210); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Shefali Talwar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average infectious disease physician in 2024
109 Medicare Part D claims for 36 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Methenamine Hippurate24 claims
- Cephalexin19 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.
Shefali Talwar among 1,119 infectious disease physician records in California
Shefali Talwar, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2003 among the 735 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in San Mateo → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Bouke Dejong, MDSan Mateo, CA 944031366524308
- Lisa Gooze, MDSan Mateo, CA 944031053484162
- Elizabeth Hudson, DOSan Mateo, CA 944031952475667
- Dennis IsraelskiSan Mateo, CA 944031831263540
- Vivian Levy, MDSan Mateo, CA 944031053485748
- Jeanne Linquist, M.D.San Mateo, CA 944031720143803
- Karen Relucio, MDSan Mateo, CA 944031952471484
- Cybele RenaultSan Mateo, CA 944031427100965
Common questions
What is Shefali Talwar, M.D.'s NPI number?
Shefali Talwar, M.D.'s National Provider Identifier (NPI) is 1376557843, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shefali Talwar, M.D. located?
The NPPES record lists a practice address at 39 N San Mateo Dr Ste 4, San Mateo, CA, 94401. Phone: (650) 897-4554. Providers update this record themselves, so call before visiting.
How can I verify Shefali Talwar, M.D.'s license?
NPPES lists California license number A86303, 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 Shefali Talwar, M.D. prescribe under Medicare Part D?
In 2024, Shefali Talwar, M.D. had 109 Medicare Part D claims for 36 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
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.