John Wu, MD
NPI 1619099272 · Internal Medicine Physician · San Francisco, CA
John Wu, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1619099272).
Provider details
- NPI number
- 1619099272
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A29670 (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
19 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
392 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 329 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 63 | $149 |
Typical Medicare-allowed amounts for these services range $109–$149 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 202 | 111 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 177 | 114 |
| Cephalexin | 103 | 64 |
| Metformin Hcl | 99 | 50 |
| Bisoprolol/Hydrochlorothiazidebrand: Bisoprolol-Hydrochlorothiazide | 91 | 44 |
| Prednisone | 83 | 46 |
| Lisinopril/Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-04
- Last updated
- 2010-07-26
Frequently asked questions
- What is John Wu's NPI number?
- John Wu's National Provider Identifier (NPI) is 1619099272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wu's specialty?
- John Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Wu located?
- John Wu's practice location on file with NPPES is 929 Clay Street, San Francisco, CA 94108-1556.
- What is John Wu's phone number?
- The practice phone number listed in the NPPES registry for John Wu is (415) 981-0303.
- Is John Wu's NPI active?
- Yes — John Wu's NPI (1619099272) is active in the NPPES registry as of the last update on 2010-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.