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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

JAMES ROY VASSER, M.D.

Active

JAMES ROY VASSER, M.D. is a Cytopathology healthcare provider located in VALLEJO, California. NPI 1417085960 is currently active in the NPPES registry. Verify at CMS.

Cytopathology · VALLEJO, CA

Registration Details

NPI Number
1417085960
Provider Type
Individual
Gender
Male
NPI Issued
Feb 28, 2007 (19.491059712896 yrs)
Last Updated
Sep 11, 2025
Licenses
A42628 (CA)
A42628 (CA)

Practice Information

Address
300 HOSPITAL DR
DEPARTMENT OF PATHOLOGY
VALLEJO, CA, 945892574
Browse CA providers · Browse ZIP 94589
Phone
7075545331
Fax
7076421095
Primary Specialty
Cytopathology
207ZC0500X
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.