Doquyen Huynh, MD
NPI 1619135241 · Rheumatology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doquyen Huynh, MD is a Rheumatology Physician provider in San Diego, CA (NPI 1619135241).
Provider details
- NPI number
- 1619135241
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A110198 (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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
726 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 | 257 | $137 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 239 | $17 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 69 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 156 | 57 |
| Prednisone | 135 | 42 |
| Methotrexate Sodiumbrand: Methotrexate | 101 | 26 |
| Etanerceptbrand: Enbrel Sureclick | 95 | — |
| Adalimumabbrand: Humira(cf) Pen | 36 | — |
| Celecoxib | 33 | — |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$269 across 2 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
Additional practice locations (1)
- 9850 Genesee AveSuite 420La Jolla, CA 92037-1224Phone: (858) 457-3270
Registry dates
- Enumerated
- 2008-05-30
- Last updated
- 2023-01-13
- Certified
- 2023-01-13
Frequently asked questions
- What is Doquyen Huynh's NPI number?
- Doquyen Huynh's National Provider Identifier (NPI) is 1619135241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doquyen Huynh's specialty?
- Doquyen Huynh is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Doquyen Huynh located?
- Doquyen Huynh's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Doquyen Huynh's phone number?
- The practice phone number listed in the NPPES registry for Doquyen Huynh is (800) 926-8273.
- Does Doquyen Huynh accept Medicare?
- Doquyen Huynh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doquyen Huynh's NPI active?
- Yes — Doquyen Huynh's NPI (1619135241) is active in the NPPES registry as of the last update on 2023-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.