Daniel Ouyang, M.D.
NPI 1669671681 · Sports Medicine (Internal Medicine) Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Ouyang, M.D. is a Sports Medicine (Internal Medicine) Physician provider in Santa Clara, CA (NPI 1669671681).
Provider details
- NPI number
- 1669671681
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A92727 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
402 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 | 142 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $111 |
| 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 | 89 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 51 | $157 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $217 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 207 | 51 |
| Amlodipine Besylate | 171 | 44 |
| Losartan Potassium | 106 | 33 |
| Lisinopril | 58 | 17 |
| Levothyroxine Sodium | 58 | 14 |
| Zolpidem Tartrate | 54 | — |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$56 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
Registry dates
- Enumerated
- 2007-07-11
- Last updated
- 2011-12-15
Frequently asked questions
- What is Daniel Ouyang's NPI number?
- Daniel Ouyang's National Provider Identifier (NPI) is 1669671681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Ouyang's specialty?
- Daniel Ouyang is listed in the NPPES registry with a primary specialty of Sports Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Ouyang located?
- Daniel Ouyang's practice location on file with NPPES is 2734 El Camino Real, Santa Clara, CA 95051-3007.
- What is Daniel Ouyang's phone number?
- The practice phone number listed in the NPPES registry for Daniel Ouyang is (408) 241-3801.
- Does Daniel Ouyang accept Medicare?
- Daniel Ouyang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Ouyang's NPI active?
- Yes — Daniel Ouyang's NPI (1669671681) is active in the NPPES registry as of the last update on 2011-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.