Quick answers
- Does Helen T. Huynh accept Medicare assignment?
- Yes. Medicare's clinician data says Helen T. Huynh 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 Helen T. Huynh see?
- In 2024, CMS data shows 478 Original Medicare patients and 1,508 services for Helen T. Huynh. This counts Original Medicare only and measures volume, not quality.
- What is Helen T. Huynh's NPI number?
- 1588820518. 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 Helen T. Huynh, 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 | 478 |
|---|---|
| Services billed to Medicare | 1,508 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)511 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)226 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)225 services
- Complete ultrasound scan of pelvis (76856)126 services
- Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)106 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%
- Osteoporosis49%
- Arthritis46%
- Diabetes44%
- Chronic kidney disease37%
Hospitals where Helen T. Huynh works
Medicare's Facility Affiliation Data lists Helen T. Huynh 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.
- Alhambra Hospital Medical CenterAlhambra, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050281
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050737
Practice locations
Addresses where Helen T. Huynh is enrolled with Medicare (CMS data updated October 2, 2026).
- 3006 San Gabriel BlvdRosemead, CA 91770 (626) 773‑8900
Group practices
Medicare enrollment lists Helen T. Huynh as a member of this group (CMS data updated October 2, 2026).
- Helen Huynh D O Inc2 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Helen Huynh D O Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588820518 |
| 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