John Snidow, MD
NPI 1194700302 · Diagnostic Radiology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Snidow, MD is a Diagnostic Radiology Physician provider in Knoxville, TN (NPI 1194700302).
Provider details
- NPI number
- 1194700302
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD039168 (TN)
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
20 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
560 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 | 237 | $8 |
| X-Ray of Chest, 2 Views71046 | 64 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 40 | $36 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 34 | $78 |
| X-Ray of Chest, 2 Views71046 | 33 | $10 |
| Ct Scan of Chest With Contrast71260 | 24 | $49 |
| Ct Scan of Upper Spine Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-09
- Last updated
- 2017-11-17
Frequently asked questions
- What is John Snidow's NPI number?
- John Snidow's National Provider Identifier (NPI) is 1194700302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Snidow's specialty?
- John Snidow is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Snidow located?
- John Snidow's practice location on file with NPPES is 1924 Alcoa Hwy, Knoxville, TN 37920-1511.
- What is John Snidow's phone number?
- The practice phone number listed in the NPPES registry for John Snidow is (865) 305-9661.
- Does John Snidow accept Medicare?
- John Snidow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Snidow's NPI active?
- Yes — John Snidow's NPI (1194700302) is active in the NPPES registry as of the last update on 2017-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.