NPPES file of Aug 9, 2026

Michael Witkosky, M.D.

Diagnostic Radiology Physician · Sacramento, CA

Michael Witkosky, M.D. is a diagnostic radiology physician with a practice address in Sacramento, California, and NPI 1134366818, issued on Jan 16, 2009. Check the license (California A106272, 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
1134366818
Name
Michael Witkosky
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A106272 CA
Self-reported in NPPES; status is on the state search
Practice location
6600 Bruceville RD, Sacramento, CA 95823
Phone
(916) 688-2000
Enumerated
Jan 16, 2009
Record last updated
Feb 2, 2024
Medicare enrollment
Enrolled (PECOS I20131031001478); accepts Medicare assignment
Medical or professional school
New York Medical College, 2007
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 6600 Bruceville RD

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

  1. Arlene Abellana, RCP,RRT,RPSGTRegistered Respiratory Therapist1942771704
  2. Olana Aberra, MDHospitalist Physician1376621011
  3. Rola Aboueljoud, DPTPhysical Therapist1275241986
  4. Fatima Abutin, M.DHospitalist Physician1740558451
  5. Chelsea Adams, DPTPhysical Therapist1215324645
  6. Jacob Adams, MDPsychiatry Physician1326126822

Verify Michael Witkosky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106272    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. Permanente Medical Group IncSacramento, CA

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

Michael Witkosky among 4,500 diagnostic radiology physician records in California

Michael Witkosky, 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 2009, is newer than 64% of them.

  • NPI issued2009 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2007 · median 2004 among the 3,130 with a school on file
  • Record last updated2024 · 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 Sacramento → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Gerald Bailey, MDSacramento, CA 958231790863413
  2. Edward Bubienko, M.D.,PH.D.Sacramento, CA 958231245304849
  3. Peter Chiu, MDSacramento, CA 958231942473764
  4. Brian Gunter, MDSacramento, CA 958231891873535
  5. Randolph Hall, MDSacramento, CA 958231487732137
  6. Sheryl Hancock, MDSacramento, CA 958231124190871
  7. William Kimball, MDSacramento, CA 958231801946603
  8. Gregory Klinke, MDSacramento, CA 958231760560429

Common questions

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

Michael Witkosky, M.D.'s National Provider Identifier (NPI) is 1134366818, issued on Jan 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Michael Witkosky, M.D. located?

The NPPES record lists a practice address at 6600 Bruceville RD, Sacramento, CA, 95823. Phone: (916) 688-2000. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A106272, 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.