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Diagnostic Radiology

Katherine Blair, MD

Works at hospitals in Antioch, CA · Walnut Creek, CA · California

Summary

Katherine Blair, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Antioch, CA and Walnut Creek, CA. NPI 1225455330. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine Blair, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
University Of California, San Diego School Of MedicineMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Katherine Blair work at?
Medicare's official clinician data lists Katherine Blair at 2 hospitals: Kaiser Foundation Hospital - Antioch and Kaiser Foundation Hospital - Walnut Creek. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katherine Blair see patients?
Medicare's clinician data lists 5 practice locations, including Walnut Creek, CA, Sacramento, CA and Antioch, CA. Call before your visit to confirm the address.
What is Katherine Blair's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Katherine Blair accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Blair accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Katherine Blair?
(925) 295-4000, as listed in official Medicare / NPI Registry data.
What is Katherine Blair's NPI number?
1225455330. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katherine Blair works

Medicare's Facility Affiliation Data lists Katherine Blair at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Katherine Blair is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Katherine Blair as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All radiologists in Walnut Creek →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225455330
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians