James Torosis, M.D.
Gastroenterology Physician · Redwood City, CA
James Torosis, M.D. is a gastroenterology physician with a practice address in Redwood City, California, and NPI 1851477467, issued on Oct 27, 2006. Check the license (California G47932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Torosis
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G47932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Whipple Ave Ste 245, Redwood City, CA 94062
- Phone
- (650) 365-3700
- Enumerated
- Oct 27, 2006
- Record last updated
- Sep 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (650) 368-3836
- Medicaid ID
- GR0025350 CA
- Medicare enrollment
- Enrolled (PECOS I20081105000847); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2900 Whipple Ave Ste 245
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Madhuri BadrinathGastroenterology Physician1972030146
- Susan Cummings, MDGastroenterology Physician1619946514
- Hoan Nguyen, PA-CMedical Physician Assistant1588378699
- Vicky Yang, M.D.Gastroenterology Physician1710063334
Verify James Torosis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G47932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average gastroenterology physician in 2024
775 Medicare Part D claims for 275 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Pantoprazole Sodium177 claims
- Sod Sulf-Potass Sulf-Mag Sulf89 claims
- Famotidine47 claims
- Omeprazole45 claims
- Linzess43 claims
- Dexlansoprazole Dr39 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $952.46
49 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The University OF California - UcsfSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Torosis among 2,140 gastroenterology physician records in California
James Torosis, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1981 · median 2002 among the 1,538 with a school on file
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Redwood City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Madhuri BadrinathRedwood City, CA 940621972030146
- Susan Cummings, MDRedwood City, CA 940621619946514
- Betty Ho, M.D.Redwood City, CA 940621134168750
- Cynthia Leung, MDRedwood City, CA 940621861570434
- Vicky Yang, M.D.Redwood City, CA 940621710063334
- Ming-Shing Chiu, MDRedwood City, CA 940631154409712
- Francis Chui, MDRedwood City, CA 940631033297684
- Henry Chun, MDRedwood City, CA 940631952489502
Common questions
What is James Torosis, M.D.'s NPI number?
James Torosis, M.D.'s National Provider Identifier (NPI) is 1851477467, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Torosis, M.D. located?
The NPPES record lists a practice address at 2900 Whipple Ave Ste 245, Redwood City, CA, 94062. Phone: (650) 365-3700. Providers update this record themselves, so call before visiting.
How can I verify James Torosis, M.D.'s license?
NPPES lists California license number G47932, 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 James Torosis, M.D. prescribe under Medicare Part D?
In 2024, James Torosis, M.D. had 775 Medicare Part D claims for 275 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is James Torosis, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.