Jason Yang Gao
Internal Medicine Physician · Alhambra, CA
Jason Yang Gao is an internal medicine physician with a practice address in Alhambra, California, and NPI 1902435670, issued on Apr 5, 2020. Check the license (California A185420, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Yang Gao
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A185420 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1680 S Garfield Ave Ste 240, Alhambra, CA 91801
- Phone
- (818) 839-5280
- Enumerated
- Apr 5, 2020
- Record last updated
- May 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20231110002233); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jason Yang Gao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
297 Medicare Part D claims for 126 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Pantoprazole Sodium25 claims
- Amoxicillin-Clavulanate Potass19 claims
- Atorvastatin Calcium17 claims
- Levofloxacin15 claims
- Azithromycin13 claims
- Hydrocodone-Acetaminophen11 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
- Apollomed Hospitalists A Medical CorporationMonterey Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Yang Gao among 17,696 internal medicine physician records in California
Jason Yang Gao 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
41 internal medicine physician records list a practice address in Alhambra
They are 41 of the 1,802 NPPES records with a practice address in Alhambra, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Alhambra → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Chan, MDAlhambra, CA 918011508826488
- Alexander Chan, MDAlhambra, CA 918011467413666
- Joyce Chang, M.D.Alhambra, CA 918011952357600
- Max Chiou, MDAlhambra, CA 918011316963051
- Jin Hong, M.D.Alhambra, CA 918011972516441
- Thein Htay, M.D.Alhambra, CA 918011861594228
- Nu Khin, M.D.Alhambra, CA 918011881655199
- Eddie Lam, M.D.Alhambra, CA 918011518969971
Common questions
What is Jason Yang Gao's NPI number?
Jason Yang Gao's National Provider Identifier (NPI) is 1902435670, issued on Apr 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jason Yang Gao located?
The NPPES record lists a practice address at 1680 S Garfield Ave Ste 240, Alhambra, CA, 91801. Phone: (818) 839-5280. Providers update this record themselves, so call before visiting.
How can I verify Jason Yang Gao's license?
NPPES lists California license number A185420, 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 Jason Yang Gao prescribe under Medicare Part D?
In 2024, Jason Yang Gao had 297 Medicare Part D claims for 126 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.