Michael Stadnyk, M. D.
NPI 1356455463 · Diagnostic Radiology Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Stadnyk, M. D. is a Diagnostic Radiology Physician provider in Chesterfield, MO (NPI 1356455463).
Provider details
- NPI number
- 1356455463
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61451 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,307 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 | 954 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 592 | $37 |
| Screening Mammography77067 | 344 | $34 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 339 | $76 |
| Screening 3d Breast Mammography77063 | 339 | $27 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 260 | $76 |
Practice location
Mailing address
Additional practice locations (1)
- 32 Chesterfield Lakes RdChesterfield, MO 63005-4514Phone: (314) 420-9589
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Michael Stadnyk's NPI number?
- Michael Stadnyk's National Provider Identifier (NPI) is 1356455463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Stadnyk's specialty?
- Michael Stadnyk is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Stadnyk located?
- Michael Stadnyk's practice location on file with NPPES is 36 Chesterfield Lake Road, Chesterfield, MO 63005-4505.
- What is Michael Stadnyk's phone number?
- The practice phone number listed in the NPPES registry for Michael Stadnyk is (573) 334-6071.
- Does Michael Stadnyk accept Medicare?
- Michael Stadnyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Stadnyk's NPI active?
- Yes — Michael Stadnyk's NPI (1356455463) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.