Joseph Woo, MD
NPI 1366584658 · Emergency Medicine Physician · San Francisco, CA
Joseph Woo, MD is a Emergency Medicine Physician provider in San Francisco, CA (NPI 1366584658).
Provider details
- NPI number
- 1366584658
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G76863 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 1 record (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
- 2007-02-13
- Last updated
- 2009-03-23
Frequently asked questions
- What is Joseph Woo's NPI number?
- Joseph Woo's National Provider Identifier (NPI) is 1366584658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Woo's specialty?
- Joseph Woo is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Woo located?
- Joseph Woo's practice location on file with NPPES is 845 Jackson St, San Francisco, CA 94133-4851.
- What is Joseph Woo's phone number?
- The practice phone number listed in the NPPES registry for Joseph Woo is (330) 493-4443.
- Is Joseph Woo's NPI active?
- Yes — Joseph Woo's NPI (1366584658) is active in the NPPES registry as of the last update on 2009-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.