DR. TIMOTHY K DUFFIN MD
NPI 1144291527
Urology in Clarksville, TN
About Dr. Timothy K Duffin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY K DUFFIN MD (NPI 1144291527) is an individual urology provider in Clarksville, Tennessee, licensed in Tennessee (26846) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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. Timothy K Duffin 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 Reassignment
Medicare enrollment records show Timothy Duffin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Christiansted, St. Croix, VI 00821
- Reassigned Medicare billing, U.S. Virgin Islands enrollment
- 331 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 17
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 37043 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.
Reported Quality Measures
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 Duffin's NPI number?
The NPI number for Timothy Duffin is 1144291527. It was assigned to this individual provider in the NPPES registry on February 1, 2006.
Where is Timothy Duffin located?
Timothy Duffin practices at 800 Weatherly Dr Ste 100L, Clarksville, TN 37043. The listed phone number is (931) 553-2800.
What is Timothy Duffin's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Timothy Duffin enrolled in Medicare?
Yes. Timothy Duffin 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 organization bills Medicare for Timothy Duffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Duffin reassigns Medicare benefits to Governor Juan F. Luis Hospital & Medical Center (Christiansted, St. Croix, VI). The 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 Duffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Duffin accept?
Health plans from Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. list Timothy Duffin 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 Duffin was last updated on December 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.