TIMOTHY GERALD ZELENAK M.D.
NPI 1376746461
Radiology - Diagnostic Radiology in Washington, PA
About Timothy Gerald Zelenak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY GERALD ZELENAK M.D. (NPI 1376746461) is an individual diagnostic radiology provider in Washington, Pennsylvania, licensed in Pennsylvania (MD446076) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 2
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
Timothy Gerald Zelenak M.d. 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
5Medicare enrollment records show Timothy Zelenak reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Titusville, FL 32780
- Reassigned Medicare billing, Florida enrollment
- 184 clinicians in this Medicare group
Spring Hill, FL 34606
- Reassigned Medicare billing, Florida enrollment
- 210 clinicians in this Medicare group
Melbourne, FL 32901
- Reassigned Medicare billing, Florida enrollment
- 82 clinicians in this Medicare group
Tampa, FL 33606
- Reassigned Medicare billing, Florida enrollment
- 1,130 clinicians in this Medicare group
Cape Coral, FL 33914
- Reassigned Medicare billing, Florida enrollment
- 880 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 31
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sacred Heart Hospital
Acute Care Hospitals · Pensacola, FLAscension Sacred Heart Bay
Acute Care Hospitals · Panama City, FLTampa General Hospital Brooksville
Acute Care Hospitals · Brooksville, FLLower Keys Medical Center
Acute Care Hospitals · Key West, FLDoctors Memorial Hospital Inc
Critical Access Hospitals · Perry, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, PA 15301
WASHINGTON, PA 15301
WASHINGTON, PA 15301
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 Timothy Zelenak's NPI number?
The NPI number for Timothy Zelenak is 1376746461. It was assigned to this individual provider in the NPPES registry on June 7, 2007.
Where is Timothy Zelenak located?
Timothy Zelenak practices at 155 Wilson Ave, Washington, PA 15301. The listed phone number is (724) 225-7000.
What is Timothy Zelenak's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Timothy Zelenak enrolled in Medicare?
Yes. Timothy Zelenak 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 Timothy Zelenak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Zelenak reassigns Medicare benefits to 5 organizations: North Brevard Medical Support, Inc (Titusville, FL), Tower Imaging LLC (Spring Hill, FL), Medical Technology Transfer Corporation (Melbourne, FL), Mori Bean And Brooks Inc (Tampa, FL) and Florida Cancer Specialists & Research Institute, LLC (Cape Coral, FL). 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 Timothy Zelenak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Zelenak accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Timothy Zelenak 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.
Is Timothy Zelenak affiliated with any hospitals?
According to CMS data, Timothy Zelenak is affiliated with Sacred Heart Hospital, Ascension Sacred Heart Bay, Tampa General Hospital Brooksville, Lower Keys Medical Center and Doctors Memorial Hospital Inc.
When was this NPI record last updated?
The NPPES record for Timothy Zelenak was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.