Ya-Gin Hanna Huang, MD
Internal Medicine Physician · San Marino, CA
Ya-Gin Hanna Huang, MD is an internal medicine physician with a practice address in San Marino, California, and NPI 1265012520, issued on Apr 12, 2021. Check the license (California A191884, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ya-Gin Hanna Huang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A191884 CA
Self-reported in NPPES; status is on the state search - Practice location
- 375 Huntington Dr Ste G, San Marino, CA 91108
- Phone
- (626) 441-4231
- Enumerated
- Apr 12, 2021
- Record last updated
- Feb 10, 2026
- Fax
- (626) 441-0282
- Medicare enrollment
- Enrolled (PECOS I20240912002929); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 375 Huntington Dr Ste G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derek Cheung, MDInternal Medicine Physician1336671981
- Sonya Ehresmann, M.D.Internal Medicine Physician1750533212
- Jennifer Oh, NPFamily Nurse Practitioner1578968913
- John WearInternal Medicine Physician1255080198
Verify Ya-Gin Hanna Huang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A191884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
344 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium29 claims
- Atorvastatin Calcium20 claims
- Alendronate Sodium15 claims
- Escitalopram Oxalate14 claims
- Diclofenac Sodium13 claims
- Quetiapine Fumarate13 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.
Industry payments in 2024: $31.88
1 payment: food and beverage; the largest payer was Melinta Therapeutics, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- The Huntington Medical FoundationSan Marino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ya-Gin Hanna Huang among 17,696 internal medicine physician records in California
Ya-Gin Hanna Huang, MD is one of 17,696 internal medicine 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 internal medicine physician records list a practice address in San Marino
They are 11 of the 184 NPPES records with a practice address in San Marino, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Marino → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Elisa Alvarado, M.D.San Marino, CA 911081891979746
- Derek Cheung, MDSan Marino, CA 911081336671981
- Mu-Chien Chiang, D.O.San Marino, CA 911081831322148
- Sonya Ehresmann, M.D.San Marino, CA 911081750533212
- Chien Fang, MDSan Marino, CA 911081922071398
- Sabrina Hong, MDSan Marino, CA 911081164750394
- Ralph Jung, MDPasadena, CA 911081831436831
- Thomas Maxwell, M.D.San Marino, CA 911081598806655
Common questions
What is Ya-Gin Hanna Huang, MD's NPI number?
Ya-Gin Hanna Huang, MD's National Provider Identifier (NPI) is 1265012520, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ya-Gin Hanna Huang, MD located?
The NPPES record lists a practice address at 375 Huntington Dr Ste G, San Marino, CA, 91108. Phone: (626) 441-4231. Providers update this record themselves, so call before visiting.
How can I verify Ya-Gin Hanna Huang, MD's license?
NPPES lists California license number A191884, 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 Ya-Gin Hanna Huang, MD prescribe under Medicare Part D?
In 2024, Ya-Gin Hanna Huang, MD had 344 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.