Michael Witkosky, M.D.
NPI 1134366818 · Diagnostic Radiology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Witkosky, M.D. is a Diagnostic Radiology Physician provider in Sacramento, CA (NPI 1134366818).
Provider details
- NPI number
- 1134366818
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A106272 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
652 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 238 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 109 | $40 |
| X-Ray of Chest, 2 Views71046 | 72 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 45 | $87 |
| Ct Scan of Upper Spine Without Contrast72125 | 36 | $47 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 26 | $84 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-16
- Last updated
- 2024-02-02
- Certified
- 2024-02-02
Frequently asked questions
- What is Michael Witkosky's NPI number?
- Michael Witkosky's National Provider Identifier (NPI) is 1134366818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Witkosky's specialty?
- Michael Witkosky is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Witkosky located?
- Michael Witkosky's practice location on file with NPPES is 6600 Bruceville Rd, Sacramento, CA 95823-4671.
- What is Michael Witkosky's phone number?
- The practice phone number listed in the NPPES registry for Michael Witkosky is (916) 688-2000.
- Does Michael Witkosky accept Medicare?
- Michael Witkosky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Witkosky's NPI active?
- Yes — Michael Witkosky's NPI (1134366818) is active in the NPPES registry as of the last update on 2024-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.