Kenneth S. Ostrow, MD
Vascular & Interventional Radiology Physician · Santa Clara, CA
Kenneth S. Ostrow, MD is a vascular & interventional radiology physician with a practice address in Santa Clara, California, and NPI 1043397995, issued on Oct 31, 2006. Check the license (California G72893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth S. Ostrow
- Credential
- MD
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License number
- G72893 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Kiely Blvd, Santa Clara, CA 95051
- Phone
- (408) 236-6400
- Enumerated
- Oct 31, 2006
- Record last updated
- Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G728930 CA
- Medicare enrollment
- Enrolled (PECOS I20110113000031); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 599 in California → Look up another NPI →
Also registered at 900 Kiely Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nitin Athavale, MDDiagnostic Radiology Physician1568540144
- Brian Baker, MDDiagnostic Radiology Physician1689753717
- Robert Bammer, PHARM.D.Pharmacist1063598357
- James Baxter, MDHospitalist Physician1679659502
- John Budis, RPHPharmacist1104906916
Verify Kenneth S. Ostrow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G72893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth S. Ostrow among 599 vascular & interventional radiology physician records in California
Kenneth S. Ostrow, MD is one of 599 vascular & interventional radiology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1990 · median 2007 among the 497 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in California
There are 599 vascular & interventional radiology physician records in California.
All 599 in California → Every provider in Santa Clara → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Patrick Kim, MDSanta Clara, CA 950511851851976
- James Tang, M.D.Santa Clara, CA 950511740475201
- Stephen Wang, MDSanta Clara, CA 950511003994542
- John Wu, MDSanta Clara, CA 950511932286861
- Marshall Yacoe, MDSanta Clara, CA 950511932286887
- David Madwed, MDSan Jose, CA 951191730265240
- Mark Sarkisian, MDSan Jose, CA 951191295811727
- Nhi Vo, MDSan Jose, CA 951191376047985
Common questions
What is Kenneth S. Ostrow, MD's NPI number?
Kenneth S. Ostrow, MD's National Provider Identifier (NPI) is 1043397995, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth S. Ostrow, MD located?
The NPPES record lists a practice address at 900 Kiely Blvd, Santa Clara, CA, 95051. Phone: (408) 236-6400. Providers update this record themselves, so call before visiting.
How can I verify Kenneth S. Ostrow, MD's license?
NPPES lists California license number G72893, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.
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.