NPPES file of Aug 9, 2026

John Paul Kopchak, PA-C

Medical Physician Assistant · San Francisco, CA

John Paul Kopchak, PA-C is a medical physician assistant with a practice address in San Francisco, California, and NPI 1376699181, issued on Jan 25, 2007. Check the license (California PA12753, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1376699181
Name
John Paul Kopchak
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA12753 CA
Self-reported in NPPES; status is on the state search
Practice location
45 Castro St, San Francisco, CA 94114
Phone
(415) 551-9758
Enumerated
Jan 25, 2007
Record last updated
Sep 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(415) 437-5434
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 45 Castro St

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

  1. Bernard Alpert, M.D.Specialist1578680450
  2. Ghazi Althubaiti, MDPlastic Surgery Physician1528373735
  3. Wayne Anderson, DONeurology Physician1679559421
  4. Robert Benard, NPAcute Care Nurse Practitioner1184027724
  5. Neil Bhalerao, M.D.Internal Medicine Physician1265872154
  6. Joseph Bou-MerhiPlastic Surgery Physician1831340975

Verify John Paul Kopchak 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 PA12753
    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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John Paul Kopchak among 3,376 medical physician assistant records in California

John Paul Kopchak, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 68% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2010 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Maria Shellane Aye-Maung, PA-CSan Francisco, CA 941141801880778
  2. Lidia May Uriza, MASan Francisco, CA 941141184329401
  3. Kurtis Opp, PA-CSan Francisco, CA 941141275627796
  4. Nais Raulet, PA-CSan Francisco, CA 941141922149194
  5. Carl Stein, MHS, PA-CSan Francisco, CA 941141053346957
  6. Lauren Barthel, PA-CSan Francisco, CA 941151194116830
  7. Rebecca Gordon, PA-CSan Francisco, CA 941151487674438
  8. Philip Resnikoff, PASan Francisco, CA 941151073662953

Common questions

What is John Paul Kopchak, PA-C's NPI number?

John Paul Kopchak, PA-C's National Provider Identifier (NPI) is 1376699181, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Paul Kopchak, PA-C located?

The NPPES record lists a practice address at 45 Castro St, San Francisco, CA, 94114. Phone: (415) 551-9758. Providers update this record themselves, so call before visiting.

How can I verify John Paul Kopchak, PA-C's license?

NPPES lists California license number PA12753, 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. 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.