NPPES file of Aug 9, 2026

Anthony Michael Sajewicz, M.D.

Diagnostic Radiology Physician · Santa Rosa, CA

Anthony Michael Sajewicz, M.D. is a diagnostic radiology physician with a practice address in Santa Rosa, California, and NPI 1982745964, issued on Feb 10, 2007. Check the license (California A99915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982745964
Name
Anthony Michael Sajewicz
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A99915 CA
Self-reported in NPPES; status is on the state search
Practice location
3883 Airway Dr Ste 100, Santa Rosa, CA 95403
Phone
(707) 521-4480
Enumerated
Feb 10, 2007
Record last updated
Sep 5, 2025
Fax
(707) 521-4460
Medicare enrollment
Enrolled (PECOS I20070613000323); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →

Also registered at 3883 Airway Dr Ste 100

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

  1. Linda Casey, MDDiagnostic Radiology Physician1356364475
  2. Durba Dutta, MDDiagnostic Radiology Physician1053342212
  3. Nicholas Kujala, M.D.Diagnostic Radiology Physician1689803025
  4. Mark Popovich, M.D.Diagnostic Radiology Physician1245320704
  5. Steven Rockoff, M.D.Diagnostic Radiology Physician1336481886

Verify Anthony Michael Sajewicz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A99915    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
Open 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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Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Rosa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anthony Michael Sajewicz among 4,500 diagnostic radiology physician records in California

Anthony Michael Sajewicz, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 41% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2001 · median 2004 among the 3,130 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

All 4,500 in California → Every provider in Santa Rosa → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Shirley Beshany, MDSanta Rosa, CA 954031689740292
  2. Wolfgang Bley, MDSanta Rosa, CA 954031548344534
  3. Linda Casey, MDSanta Rosa, CA 954031356364475
  4. Durba Dutta, MDSanta Rosa, CA 954031053342212
  5. Stephen Eisenberg, MDSanta Rosa, CA 954031225112204
  6. Titus Koenig, MDSanta Rosa, CA 954031932283934
  7. Kavita Mamtora, MDSanta Rosa, CA 954031740364728
  8. Daniel Penn, MDSanta Rosa, CA 954031578647566

Common questions

What is Anthony Michael Sajewicz, M.D.'s NPI number?

Anthony Michael Sajewicz, M.D.'s National Provider Identifier (NPI) is 1982745964, issued on Feb 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Michael Sajewicz, M.D. located?

The NPPES record lists a practice address at 3883 Airway Dr Ste 100, Santa Rosa, CA, 95403. Phone: (707) 521-4480. Providers update this record themselves, so call before visiting.

How can I verify Anthony Michael Sajewicz, M.D.'s license?

NPPES lists California license number A99915, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.