Quick answers
- Does Ya-Gin Hanna Huang accept Medicare assignment?
- Yes. Medicare's clinician data says Ya-Gin Hanna Huang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Ya-Gin Hanna Huang see?
- In 2024, CMS data shows 43 Original Medicare patients and 86 services for Ya-Gin Hanna Huang. This counts Original Medicare only and measures volume, not quality.
- What is Ya-Gin Hanna Huang's NPI number?
- 1265012520. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ya-Gin Hanna Huang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 43 |
|---|---|
| Services billed to Medicare | 86 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)25 services
- Influenza vaccine split virus, preservative free (90662)11 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure74%
- Diabetes33%
- Arthritis33%
Hospitals where Ya-Gin Hanna Huang works
Medicare's Facility Affiliation Data lists Ya-Gin Hanna Huang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Huntington HospitalPasadena, CA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 050438
Practice locations
Addresses where Ya-Gin Hanna Huang is enrolled with Medicare (CMS data updated October 2, 2026).
- 375 Huntington Dr, Suite GSan Marino, CA 91108 (626) 441‑4231
Group practices
Medicare enrollment lists Ya-Gin Hanna Huang as a member of this group (CMS data updated October 2, 2026).
- The Huntington Medical Foundation44 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Marino
Clinicians with the same Medicare primary specialty in San Marino, CA — not a recommendation.
Other clinicians in The Huntington Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265012520 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians