Jenny Daci Yang, MD
Gastroenterology Physician · San Jose, CA
Jenny Daci Yang, MD is a gastroenterology physician with a practice address in San Jose, California, and NPI 1700021987, issued on Dec 2, 2008. Check the license (California A119192, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jenny Daci Yang
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A119192 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2331 Montpelier Dr Ste B, San Jose, CA 95116
- Phone
- (408) 347-9001
- Enumerated
- Dec 2, 2008
- Record last updated
- Nov 7, 2023
- Fax
- (408) 347-9004
- Medicare enrollment
- Enrolled (PECOS I20120912000749); 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 2331 Montpelier Dr Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela HsuGastroenterology Physician1346773199
- Geeta Kutty, M.DGastroenterology Physician1821386962
- Huy Nguyen, M.D.Gastroenterology Physician1073517306
- Khanh Nguyen, M.D.Gastroenterology Physician1770585044
- My Nguyen, PA-CPhysician Assistant1659809275
- Eugenie ShiehGastroenterology Physician1194960013
Verify Jenny Daci Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average gastroenterology physician in 2024
1,048 Medicare Part D claims for 514 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Gavilyte-G198 claims
- Vemlidy140 claims
- Pantoprazole Sodium102 claims
- Peg-3350 And Electrolytes75 claims
- Sod Sulf-Potass Sulf-Mag Sulf75 claims
- Omeprazole68 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $142.41
7 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
- San Jose Gastroenterology, Inc.San Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jenny Daci Yang among 2,140 gastroenterology physician records in California
Jenny Daci Yang, MD 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 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2005 · median 2002 among the 1,538 with a school on file
- Record last updated2023 · 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 San Jose → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Eduardo Da Silveira, MD, MSCSan Jose, CA 951161326135377
- Bhargava Gannavarapu, M.D.San Jose, CA 951161881821825
- Ruel Garcia, M.D.San Jose, CA 951161790789022
- Rasik Kansara, M.D.San Jose, CA 951161063461747
- Geeta Kutty, M.DSan Jose, CA 951161821386962
- Sally Nacianceno, M.D.San Jose, CA 951161720180094
- Khanh Nguyen, M.D.San Jose, CA 951161770585044
- Huy Nguyen, M.D.San Jose, CA 951161073517306
Common questions
What is Jenny Daci Yang, MD's NPI number?
Jenny Daci Yang, MD's National Provider Identifier (NPI) is 1700021987, issued on Dec 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jenny Daci Yang, MD located?
The NPPES record lists a practice address at 2331 Montpelier Dr Ste B, San Jose, CA, 95116. Phone: (408) 347-9001. Providers update this record themselves, so call before visiting.
How can I verify Jenny Daci Yang, MD's license?
NPPES lists California license number A119192, 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 Jenny Daci Yang, MD prescribe under Medicare Part D?
In 2024, Jenny Daci Yang, MD had 1,048 Medicare Part D claims for 514 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Jenny Daci Yang, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.