NPPES file of Aug 9, 2026

Catherine Bethan Powell, MD

Gynecologic Oncology Physician · San Francisco, CA

Catherine Bethan Powell, MD is a gynecologic oncology physician with a practice address in San Francisco, California, and NPI 1306995287, issued on Jan 9, 2007. Check the license (California G59583, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306995287
Name
Catherine Bethan Powell
Credential
MD
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
G59583 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 Divisadero St, San Francisco, CA 94143
Phone
(415) 353-9600
Enumerated
Jan 9, 2007
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00G595830 CA
Medicare enrollment
Enrolled (PECOS I20080306000359); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1600 Divisadero St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David AlfonRegistered Nurse1558106336
  2. Christian Apfel, MD, PHDAnesthesiology Physician1578651105
  3. Fady BekheetPharmacist1780223131
  4. Fletcher Bell, MDInternal Medicine Physician1811647514
  5. Lauren Boreta, M.D.Radiation Oncology Physician1679990071
  6. Ronald Braun, M.D.Anesthesiology Physician1700865367

Verify Catherine Bethan Powell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G59583
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Ucsf Medical Group Business ServicesSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Catherine Bethan Powell among 176 gynecologic oncology physician records in California

Catherine Bethan Powell, MD is one of 176 gynecologic oncology physician records with a practice address in California. 86% 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 45% of them.

  • NPI issued2007 · 45% of these records are older, 43% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1982 · median 2004 among the 131 with a school on file
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in California

There are 176 gynecologic oncology physician records in California.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Stephanie Cham, M.D.San Francisco, CA 941431033597117
  2. Lee-May Chen, MDSan Francisco, CA 941431902861883
  3. Katherine Fuh, MDSan Francisco, CA 941431740462316
  4. Andrea Nanez, M.D.San Francisco, CA 941431952837098
  5. Jenta Shen, M.D.San Francisco, CA 941171881692002
  6. Lisa Sandles, MDSan Francisco, CA 941151932287562
  7. Stefanie Ueda, M.D.San Francisco, CA 941151780748087
  8. John Chan, MDSan Francisco, CA 941091962596551

Common questions

What is Catherine Bethan Powell, MD's NPI number?

Catherine Bethan Powell, MD's National Provider Identifier (NPI) is 1306995287, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Bethan Powell, MD located?

The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94143. Phone: (415) 353-9600. Providers update this record themselves, so call before visiting.

How can I verify Catherine Bethan Powell, MD's license?

NPPES lists California license number G59583, 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.