Jacob Linh Huynh, M.D.
NPI 1538466362 · Family Medicine Physician · Westminster, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Linh Huynh, M.D. is a Family Medicine Physician provider in Westminster, CA (NPI 1538466362).
Provider details
- NPI number
- 1538466362
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C54539 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,818 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 620 | $138 |
| Application of Electrical Stimulation With Therapist Present, Each 15 Minutes97032 | 232 | $11 |
| Application of Ultrasound, Each 15 Minutes97035 | 232 | $10 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 231 | $27 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 228 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 138 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 260 | 57 |
| Losartan Potassium | 236 | 52 |
| Famotidine | 211 | 57 |
| Amlodipine Besylate | 211 | 54 |
| Gabapentin | 198 | 51 |
| Mirtazapine | 165 | 32 |
| Atorvastatin Calcium | 163 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-02-14
- Last updated
- 2015-11-17
Frequently asked questions
- What is Jacob Linh Huynh's NPI number?
- Jacob Linh Huynh's National Provider Identifier (NPI) is 1538466362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Linh Huynh's specialty?
- Jacob Linh Huynh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Linh Huynh located?
- Jacob Linh Huynh's practice location on file with NPPES is 7901 Westminster Blvd, Westminster, CA 92683-4001.
- What is Jacob Linh Huynh's phone number?
- The practice phone number listed in the NPPES registry for Jacob Linh Huynh is (714) 869-8146.
- Does Jacob Linh Huynh accept Medicare?
- Jacob Linh Huynh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Linh Huynh's NPI active?
- Yes — Jacob Linh Huynh's NPI (1538466362) is active in the NPPES registry as of the last update on 2015-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.