Joseph William Woo, MD
Emergency Medicine Physician · San Francisco, CA
Joseph William Woo, MD is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1366584658, issued on Feb 13, 2007. Check the license (California G76863, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph William Woo
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G76863 CA
Self-reported in NPPES; status is on the state search - Practice location
- 845 Jackson St, San Francisco, CA 94133
- Phone
- (330) 493-4443
- Enumerated
- Feb 13, 2007
- Record last updated
- Mar 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (330) 493-8677
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 845 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jack Bertman, M.D.Emergency Medicine Physician1891777967
- Michael Bogner, MDEmergency Medicine Physician1235279134
- Jingyan Chen, PHARMDPharmacist1255154472
- Irwin Chow, MDAnesthesiology Physician1184637530
- Ivan Cometa, M.D.Emergency Medicine Physician1437530706
- Roger Eng, MDDiagnostic Radiology Physician1871607291
Verify Joseph William Woo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G76863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $122.31
1 payment: food and beverage; the largest payer was Paragonix Technologies, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joseph William Woo among 7,751 emergency medicine physician records in California
Joseph William Woo, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Francisco → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jack Bertman, M.D.San Francisco, CA 941331891777967
- Michael Bogner, MDSan Francisco, CA 941331235279134
- Ivan Cometa, M.D.San Francisco, CA 941331437530706
- Michael O'Connor, MDSan Francisco, CA 941331326188228
- David Rossi, M.D.San Francisco, CA 941331588614077
- Becky SchmitzSan Francisco, CA 941331699817973
- Michael Shafer, MDSan Francisco, CA 941331417097312
- Mai Shimada, M.D.San Francisco, CA 941331316289523
Common questions
What is Joseph William Woo, MD's NPI number?
Joseph William Woo, MD's National Provider Identifier (NPI) is 1366584658, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph William Woo, MD located?
The NPPES record lists a practice address at 845 Jackson St, San Francisco, CA, 94133. Phone: (330) 493-4443. Providers update this record themselves, so call before visiting.
How can I verify Joseph William Woo, MD's license?
NPPES lists California license number G76863, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.