NPPES file of Aug 9, 2026

William Cody Black, PA-C

Physician Assistant · San Francisco, CA

William Cody Black, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1609172758, issued on Feb 8, 2011. Check the license (California 55756, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609172758
Name
William Cody Black
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
55756 CA
5953 AZ
Self-reported in NPPES; status is on the state search
Practice location
170 Columbus Ave Ste 110, San Francisco, CA 94133
Phone
(415) 965-8050
Enumerated
Feb 8, 2011
Record last updated
Nov 29, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(415) 965-7678
Medicare enrollment
Enrolled (PECOS I20110804000277); 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 170 Columbus Ave Ste 110

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

  1. Andrew Allen, PA-CPhysician Assistant1841444791
  2. Jennifer Bentley, PA-CPhysician Assistant1497155683
  3. Keeley Creasey, PA-CPhysician Assistant1184062630
  4. Paul Kretkowski, MPAS, PA-CPhysician Assistant1215561006
  5. Reshna Maniklal, PA-CPhysician Assistant1346623923
  6. Lisa Miller, PA-CPhysician Assistant1376982058

Verify William Cody Black in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 55756
    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
Find 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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94% fewer Medicare Part D claims than the average physician assistant in 2024

47 Medicare Part D claims for 25 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. William Black47
  2. Specialty average830

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. American Family Care, LLCAlabaster, AL

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

William Cody Black among 14,451 physician assistant records in California

William Cody Black, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 30% of them.

  • NPI issued2011 · 30% of these records are older, 67% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2010 · median 2018 among the 7,214 with a school on file
  • Record last updated2018 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in California

There are 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Andrew Allen, PA-CSan Francisco, CA 941331841444791
  2. Jennifer Bentley, PA-CSan Francisco, CA 941331497155683
  3. Caroline Concilla, PA-CSan Francisco, CA 941331972421436
  4. Keeley Creasey, PA-CSan Francisco, CA 941331184062630
  5. Samantha DaoSan Francisco, CA 941331821802463
  6. Tuan Duong, PA-CSan Francisco, CA 941331861894370
  7. Heather Guilbault, PA-CSan Francisco, CA 941331982148946
  8. Paul Kretkowski, MPAS, PA-CSan Francisco, CA 941331215561006

Common questions

What is William Cody Black, PA-C's NPI number?

William Cody Black, PA-C's National Provider Identifier (NPI) is 1609172758, issued on Feb 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is William Cody Black, PA-C located?

The NPPES record lists a practice address at 170 Columbus Ave Ste 110, San Francisco, CA, 94133. Phone: (415) 965-8050. Providers update this record themselves, so call before visiting.

How can I verify William Cody Black, PA-C's license?

NPPES lists California license number 55756, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does William Cody Black, PA-C prescribe under Medicare Part D?

In 2024, William Cody Black, PA-C had 47 Medicare Part D claims for 25 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

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.