Sabrina Hong, MD
Internal Medicine Physician · San Marino, CA
Sabrina Hong, MD is an internal medicine physician with a practice address in San Marino, California, and NPI 1164750394, issued on Nov 29, 2009. Check the license (California A 108425, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sabrina Hong
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A 108425 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1946 Montrobles PL, San Marino, CA 91108
- Phone
- (626) 354-4058
- Enumerated
- Nov 29, 2009
- Record last updated
- Nov 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Sabrina Hong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 108425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
62 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Sabrina Hong among 17,696 internal medicine physician records in California
Sabrina Hong, 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 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
- Ya-Gin Hanna Huang, MDSan Marino, CA 911081265012520
- Ralph Jung, MDPasadena, CA 911081831436831
- Thomas Maxwell, M.D.San Marino, CA 911081598806655
Common questions
What is Sabrina Hong, MD's NPI number?
Sabrina Hong, MD's National Provider Identifier (NPI) is 1164750394, issued on Nov 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sabrina Hong, MD located?
The NPPES record lists a practice address at 1946 Montrobles PL, San Marino, CA, 91108. Phone: (626) 354-4058. Providers update this record themselves, so call before visiting.
How can I verify Sabrina Hong, MD's license?
NPPES lists California license number A 108425, 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 Sabrina Hong, MD prescribe under Medicare Part D?
In 2024, Sabrina Hong, MD had 62 Medicare Part D claims for 14 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.