NPPES file of Aug 9, 2026

Robert Charles Witcosky, P.A.

Surgical Physician Assistant · Campbell, CA

Robert Charles Witcosky, P.A. is a surgical physician assistant with a practice address in Campbell, California, and NPI 1366405383, issued on Apr 10, 2006. Check the license (California PA10096, 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
1366405383
Name
Robert Charles Witcosky
Credential
P.A.
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA10096 CA
Self-reported in NPPES; status is on the state search
Practice location
3803 S Bascom Ave, Campbell, CA 95008
Phone
(408) 286-1967
Enumerated
Apr 10, 2006
Record last updated
Apr 29, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(408) 286-1967
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 3803 S Bascom Ave

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

  1. Mari ClaytonFamily Nurse Practitioner1780308171
  2. Ronald Gemberling, MDPlastic and Reconstructive Surgery Physician1366572471
  3. David Harris, M.D.Procedural Dermatology Physician1174697619
  4. Tristen Haug, PAPhysician Assistant1043364441
  5. William Hopkins, M.D.Pain Medicine (Anesthesiology) Physician1750467908
  6. Jonathan Le, MDPlastic Surgery Physician1932201258

Verify Robert Charles Witcosky 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 PA10096
    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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Robert Charles Witcosky among 1,075 surgical physician assistant records in California

Robert Charles Witcosky, P.A. is one of 1,075 surgical physician assistant records with a practice address in California. 79% 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 74% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2013 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Margaret Hunt, P.A.Campbell, CA 950081770910820
  2. Jennifer Malloy, PA-CCampbell, CA 950081114008554
  3. John Gochangco, PA-CCapitola, CA 950101619206067
  4. Ekaterina Gurzhi, PA-CCapitola, CA 950101235817651
  5. Raymond Villaverde, P.A.Capitola, CA 950101033118237
  6. Shih-Ting Chiu, PA-CLos Gatos, CA 950321164758108
  7. Zachary Claunch, PHYSICIAN ASSISTANTLos Gatos, CA 950321679264626
  8. Jonathan Davies, RPA-CLos Gatos, CA 950321720404312

Common questions

What is Robert Charles Witcosky, P.A.'s NPI number?

Robert Charles Witcosky, P.A.'s National Provider Identifier (NPI) is 1366405383, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Charles Witcosky, P.A. located?

The NPPES record lists a practice address at 3803 S Bascom Ave, Campbell, CA, 95008. Phone: (408) 286-1967. Providers update this record themselves, so call before visiting.

How can I verify Robert Charles Witcosky, P.A.'s license?

NPPES lists California license number PA10096, 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.