Hien-Khanh Huynh, MD
NPI 1861998247 · Physical Medicine & Rehabilitation Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hien-Khanh Huynh, MD is a Physical Medicine & Rehabilitation Physician provider in San Jose, CA (NPI 1861998247).
Provider details
- NPI number
- 1861998247
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A164251 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,720 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 2,918 | $125 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,360 | $87 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 298 | $153 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 144 | $208 |
Typical Medicare-allowed amounts for these services range $87–$208 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-04
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is Hien-Khanh Huynh's NPI number?
- Hien-Khanh Huynh's National Provider Identifier (NPI) is 1861998247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hien-Khanh Huynh's specialty?
- Hien-Khanh Huynh is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Hien-Khanh Huynh located?
- Hien-Khanh Huynh's practice location on file with NPPES is 1879 Lundy Ave Ste 229, San Jose, CA 95131-1881.
- What is Hien-Khanh Huynh's phone number?
- The practice phone number listed in the NPPES registry for Hien-Khanh Huynh is (650) 353-7895.
- Does Hien-Khanh Huynh accept Medicare?
- Hien-Khanh Huynh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hien-Khanh Huynh's NPI active?
- Yes — Hien-Khanh Huynh's NPI (1861998247) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.