Mark Timken, MD
NPI 1427039627 · Diagnostic Radiology Physician · Gainesville, FL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Timken, MD is a Diagnostic Radiology Physician provider in Gainesville, FL (NPI 1427039627).
Provider details
- NPI number
- 1427039627
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME0067809 (FL)
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
2,979 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) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 1,333 | $126 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 584 | $117 |
| Mri Scan of Arm Joint Without Contrast73221 | 310 | $140 |
| Mri Scan of Leg Joint Without Contrast73721 | 277 | $136 |
| Mri Scan of Middle Spinal Canal Without Contrast72146 | 253 | $106 |
| Mri Scan of Brain Without Contrast70551 | 104 | $152 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-07
- Last updated
- 2014-06-04
Frequently asked questions
- What is Mark Timken's NPI number?
- Mark Timken's National Provider Identifier (NPI) is 1427039627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Timken's specialty?
- Mark Timken is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Timken located?
- Mark Timken's practice location on file with NPPES is 3131 Nw 13th Street, Gainesville, FL 32609-2163.
- What is Mark Timken's phone number?
- The practice phone number listed in the NPPES registry for Mark Timken is (352) 226-8206.
- Does Mark Timken accept Medicare?
- Mark Timken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Timken's NPI active?
- Yes — Mark Timken's NPI (1427039627) is active in the NPPES registry as of the last update on 2014-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.