NPPES file of Aug 9, 2026

Marcus Paddock Schwab, PA

Physician Assistant · San Francisco, CA

Marcus Paddock Schwab, PA is a physician assistant with a practice address in San Francisco, California, and NPI 1609503861, issued on Aug 6, 2022. Check the license (California 64726, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609503861
Name
Marcus Paddock Schwab
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
64726 CA
Self-reported in NPPES; status is on the state search
Practice location
3838 California St RM 715, San Francisco, CA 94118
Phone
(415) 668-8010
Enumerated
Aug 6, 2022
Record last updated
Dec 6, 2024
Medicare enrollment
Enrolled (PECOS I20241024004245); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Also registered at 3838 California St RM 715

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

  1. James Aicardi, PA-CSurgical Physician Assistant1528557568
  2. Benedetta Ames, PAPhysician Assistant1942913058
  3. Seyed Arshad, DOOrthopaedic Surgery Physician1669030458
  4. Keith Chan, M.D.Sports Medicine (Orthopaedic Surgery) Physician1548452782
  5. Kanwaljit Gill, MDOrthopaedic Surgery Physician1679658348
  6. Virginia Hoptman, PA-CSurgical Physician Assistant1811531023

Verify Marcus Paddock Schwab 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 64726    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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Bills Medicare through 2 group practices

  1. California Pacific Orthopaedics And Sports Medicine A Medical CorporatSan Francisco, CA
  2. Regents OF The University OF California - UcsfSan Francisco, CA

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

Marcus Paddock Schwab among 14,451 physician assistant records in California

Marcus Paddock Schwab, PA 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 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2024 · median 2018 among the 7,214 with a school on file
  • Record last updated2024 · 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.

All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Veronika Archer, PA-CSan Francisco, CA 941181659424190
  2. Gloria Cheng, PASan Francisco, CA 941181548662109
  3. Richard Dibella, PASan Francisco, CA 941181134169410
  4. Eric Dyer, PA-CSan Francisco, CA 941181316289192
  5. Linda Gourley, PH.D., PA-CSan Francisco, CA 941181558584912
  6. Pamela Ibanez, PA-CSan Francisco, CA 941181225408768
  7. Ellen Liao, PA-CSan Francisco, CA 941181417129156
  8. Sarah Makin, MPAS, PA-CSan Francisco, CA 941181629596481

Common questions

What is Marcus Paddock Schwab, PA's NPI number?

Marcus Paddock Schwab, PA's National Provider Identifier (NPI) is 1609503861, issued on Aug 6, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Marcus Paddock Schwab, PA located?

The NPPES record lists a practice address at 3838 California St RM 715, San Francisco, CA, 94118. Phone: (415) 668-8010. Providers update this record themselves, so call before visiting.

How can I verify Marcus Paddock Schwab, PA's license?

NPPES lists California license number 64726, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.