Individual Healthcare Provider
Jay A Kaiser, M.D.
Provider's NPPES record last updated: May 15, 2020
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1275519001
- Primary Specialty
- Radiology — Diagnostic Radiology
- Practice Location
- Greenbrae, California
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 7:48 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Radiology
Diagnostic Radiology
Allopathic & Osteopathic Physicians
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Taxonomy code 2085R0202X
Provider-Reported License Information
- Radiology (California)
- G25290
- Radiology (Arizona)
- 33865
- Radiology (Alaska)
- 3882
- Radiology (Colorado)
- 30660
- Radiology (Montana)
- 67
- Radiology (New Jersey)
- MA72104
- Radiology (New York)
- 215258-1
- Radiology (Ohio)
- 35-06-3886-K
- Radiology (Oklahoma)
- 21480
- Radiology (Washington)
- MD00032583
- Radiology (Nevada)
- SP079
- Radiology (Nebraska)
- 24392
- Radiology (Texas)
- TM00056
- Radiology (Illinois)
- 036-103761
- Radiology (Hawaii)
- 13079
Practice Locations
Practice Location
1260 S Eliseo Dr
Suite 100
Greenbrae, California 94904-2009
Phone: (415) 461-9033
Additional Practice Location
24 Forrest Ct
San Anselmo, California 94960-1179
Phone: (415) 883-3415
Fax: (415) 883-0877
Additional Practice Location
2351 Clay St Ste 100
San Francisco, California 94115-1931
Phone: (415) 600-3143
Fax: (415) 600-3123
Additional Practice Location
3301 El Camino Real Ste 100
Atherton, California 94027-3803
Phone: (650) 364-3080
Fax: (650) 364-2004
Record Information
- Enumeration Date
- December 22, 2005
- Provider's NPPES Record Last Updated
- May 15, 2020
- Certification Date
- May 15, 2020
- NPISignal NPPES Dataset
- August 2026
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