Nupur Gupta, D.O.
Infectious Disease Physician · Oakland, CA
Nupur Gupta, D.O. is an infectious disease physician with a practice address in Oakland, California, and NPI 1417375940, issued on Apr 1, 2014. Check the license (California 20A22801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nupur Gupta
- Credential
- D.O.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 20A22801 CA
2020-00555 NC
OS019820 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Summit St, 2ND Floor, Oakland, CA 94609
- Phone
- (510) 869-8400
- Enumerated
- Apr 1, 2014
- Record last updated
- May 20, 2026
- Medicaid ID
- 1417375940 NC
- Medicare enrollment
- Enrolled (PECOS I20250313000195); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Nupur Gupta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average infectious disease physician in 2024
1,038 Medicare Part D claims for 95 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Biktarvy220 claims
- Tivicay95 claims
- Descovy43 claims
- Odefsey37 claims
- Pifeltro34 claims
- Juluca32 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.
Bills Medicare through one group practice
- East Bay Aids Center Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nupur Gupta among 1,119 infectious disease physician records in California
Nupur Gupta, D.O. 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 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2003 among the 735 with a school on file
- Record last updated2026 · 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 Oakland → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Yenjean Hwang, M.D.Oakland, CA 946091194744557
- Neelima Kethineni, M.D.Oakland, CA 946091629021662
- Scott Weisenberg, M.D.Oakland, CA 946091366609042
- Elizabeth Anderson, MDOakland, CA 946111922170760
- Mark Lee, M.D.Oakland, CA 946111184708828
- Joseph Marzouk, M.D.Oakland, CA 946111174636393
- Alex PelliccioneOakland, CA 946111407315708
- Roger Phelps, M.D.Piedmont, CA 946111629188990
Common questions
What is Nupur Gupta, D.O.'s NPI number?
Nupur Gupta, D.O.'s National Provider Identifier (NPI) is 1417375940, issued on Apr 1, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nupur Gupta, D.O. located?
The NPPES record lists a practice address at 3100 Summit St, 2ND Floor, Oakland, CA, 94609. Phone: (510) 869-8400. Providers update this record themselves, so call before visiting.
How can I verify Nupur Gupta, D.O.'s license?
NPPES lists California license number 20A22801, 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 Nupur Gupta, D.O. prescribe under Medicare Part D?
In 2024, Nupur Gupta, D.O. had 1,038 Medicare Part D claims for 95 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.