John Tamminen, MD
NPI 1740250927 · Diagnostic Radiology Physician · Pearisburg, VA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Tamminen, MD is a Diagnostic Radiology Physician provider in Pearisburg, VA (NPI 1740250927).
Provider details
- NPI number
- 1740250927
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101-041737 (VA)
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
1,354 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 | 298 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 119 | $37 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 76 | $80 |
| X-Ray of Abdomen, 1 View74018 | 58 | $8 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 51 | $80 |
| X-Ray of Chest, 2 Views71046 | 48 | $10 |
| Ct Scan of Blood Vessels of Abdomen and Pelvis With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-23
- Last updated
- 2008-05-07
Frequently asked questions
- What is John Tamminen's NPI number?
- John Tamminen's National Provider Identifier (NPI) is 1740250927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tamminen's specialty?
- John Tamminen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Tamminen located?
- John Tamminen's practice location on file with NPPES is 1 Taylor Ave, Pearisburg, VA 24134-1932.
- What is John Tamminen's phone number?
- The practice phone number listed in the NPPES registry for John Tamminen is (540) 921-6000.
- Does John Tamminen accept Medicare?
- John Tamminen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Tamminen's NPI active?
- Yes — John Tamminen's NPI (1740250927) is active in the NPPES registry as of the last update on 2008-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.