Sanjoy K. Dutta, MD
Surgery Physician · Fremont, CA
Sanjoy K. Dutta, MD is a surgery physician with a practice address in Fremont, California, and NPI 1841375508, issued on Oct 25, 2006. Check the license (California G80978, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sanjoy K. Dutta
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G80978 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39400 Paseo Padre Pkwy, Fremont, CA 94538
- Phone
- (510) 795-3000
- Enumerated
- Oct 25, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G809780 CA
- Medicare enrollment
- Enrolled (PECOS I20110321000656); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1993
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 39400 Paseo Padre Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Denise Agatep, LCSWCounselor1164584900
- Ujwala Agharkar, MDChild & Adolescent Psychiatry Physician1073685723
- Dolly Ahluwalia, RDRegistered Dietitian1659429157
- Tabassum Alam, MDHospitalist Physician1306921069
- Mary Alyono, MDAnesthesiology Physician1477631059
- Stephanie Aoki, PHDPsychologist1427721216
Verify Sanjoy K. Dutta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average surgery physician in 2024
113 Medicare Part D claims for 39 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Oxycodone Hcl24 claims
- Ondansetron Hcl18 claims
- Famotidine17 claims
- Ibuprofen14 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
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sanjoy K. Dutta among 3,118 surgery physician records in California
Sanjoy K. Dutta, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1993 · median 2003 among the 1,901 with a school on file
- Record last updated2021 · 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 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Fremont → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kranthi Achanta, M.DFremont, CA 945381114927241
- Ramsey Araj, MDFremont, CA 945381871513663
- William Brown, M.D.Fremont, CA 945381457394926
- Christine Chu, MDFremont, CA 945381992880660
- Lawrence Dennen, MDFremont, CA 945381710062476
- William Dugoni, MDFremont, CA 945381427071075
- Hanlon Jen, MDFremont, CA 945381891870556
- Ramesh Karipineni, MDFremont, CA 945381376543413
Common questions
What is Sanjoy K. Dutta, MD's NPI number?
Sanjoy K. Dutta, MD's National Provider Identifier (NPI) is 1841375508, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sanjoy K. Dutta, MD located?
The NPPES record lists a practice address at 39400 Paseo Padre Pkwy, Fremont, CA, 94538. Phone: (510) 795-3000. Providers update this record themselves, so call before visiting.
How can I verify Sanjoy K. Dutta, MD's license?
NPPES lists California license number G80978, 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 Sanjoy K. Dutta, MD prescribe under Medicare Part D?
In 2024, Sanjoy K. Dutta, MD had 113 Medicare Part D claims for 39 beneficiaries; the average among surgery physician prescribers was 147. 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.