MR. TIMOTHY JAMES DENNEN M.D.
NPI 1225033772
Family Medicine in Bloomsburg, PA
About Mr. Timothy James Dennen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. TIMOTHY JAMES DENNEN M.D. (NPI 1225033772) is an individual family medicine provider in Bloomsburg, Pennsylvania, licensed in Pennsylvania (MD035289E) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Mr. Timothy James Dennen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Timothy Dennen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bloomsburg, PA 17815
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Dushore, PA 18614
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Guthrie Medical Group PC
- 830 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17815 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.
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 Dennen's NPI number?
The NPI number for Timothy Dennen is 1225033772. It was assigned to this individual provider in the NPPES registry on June 20, 2005.
Where is Timothy Dennen located?
Timothy Dennen practices at 240 Mall Blvd, Bloomsburg, PA 17815. The listed phone number is (570) 416-5435.
What is Timothy Dennen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Timothy Dennen enrolled in Medicare?
Yes. Timothy Dennen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Timothy Dennen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Dennen reassigns Medicare benefits to 2 organizations: Geisinger Clinic (Bloomsburg, PA) and Guthrie Medical Group, P.C. (Dushore, PA). 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 Dennen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Dennen accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Timothy Dennen 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 Timothy Dennen was last updated on March 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.