DR. MARK J. TIMKEN MD
NPI 1427039627
Radiology - Diagnostic Radiology in Gainesville, FL
About Dr. Mark J. Timken Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK J. TIMKEN MD (NPI 1427039627) is an individual diagnostic radiology provider in Gainesville, Florida, licensed in Florida (ME0067809) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of South Alabama College Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark J. Timken Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
11Medicare enrollment records show Mark Timken reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Cove Springs, FL 32043
- Reassigned Medicare billing, Florida enrollment
- 8 clinicians in this Medicare group
Orange Park, FL 32073
- Reassigned Medicare billing, Florida enrollment
- 187 clinicians in this Medicare group
Ormond Beach, FL 32174
- Reassigned Medicare billing, Florida enrollment
- 12 clinicians in this Medicare group
Lake Mary, FL 32746
- Reassigned Medicare billing, Florida enrollment
- 16 clinicians in this Medicare group
Fern Park, FL 32730
- Reassigned Medicare billing, Florida enrollment
- 11 clinicians in this Medicare group
Orlando, FL 32806
- Reassigned Medicare billing, Florida enrollment
- 20 clinicians in this Medicare group
Davenport, FL 33837
- Reassigned Medicare billing, Florida enrollment
- 19 clinicians in this Medicare group
Tampa, FL 33607
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Brandon, FL 33511
- Reassigned Medicare billing, Florida enrollment
- 135 clinicians in this Medicare group
Tallahassee, FL 32308
- Reassigned Medicare billing, Florida enrollment
- 14 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GAINESVILLE, FL 32609
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Timken's NPI number?
The NPI number for Mark Timken is 1427039627. It was assigned to this individual provider in the NPPES registry on November 7, 2005.
Where is Mark Timken located?
Mark Timken practices at 3131 NW 13th Street Suite 41, Gainesville, FL 32609. The listed phone number is (352) 226-8206.
What is Mark Timken's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mark Timken enrolled in Medicare?
Yes. Mark Timken is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Timken's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Timken reassigns Medicare benefits to 11 organizations: Atm Healthcare, Inc (Green Cove Springs, FL), Elite Imaging LLC (Orange Park, FL), Stand-Up Mri & Diagnostic Center Inc (Ormond Beach, FL), Cyrus Diagnostic Imaging Inc (Lake Mary, FL), Health Diagnostics Of Fort Lauderdale LLC (Fern Park, FL) and 6 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Timken's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Timken accept?
Health plans from Oscar Health Maintenance Organization of Florida list Mark Timken as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Timken was last updated on June 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.