TIMOTHY A TIERNEY M.D.
NPI 1306989066
Family Medicine in Melrose, MA
About Timothy A Tierney M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY A TIERNEY M.D. (NPI 1306989066) is an individual family medicine provider in Melrose, Massachusetts, licensed in Massachusetts (74751) and active in the NPI registry since February 2007. 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)
Timothy A Tierney M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Timothy Tierney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Medford, MA 02155
- Reassigned Medicare billing, Massachusetts enrollment
- 246 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 15
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 02176 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 17
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
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 Tierney's NPI number?
The NPI number for Timothy Tierney is 1306989066. It was assigned to this individual provider in the NPPES registry on February 14, 2007.
Where is Timothy Tierney located?
Timothy Tierney practices at 675 Main St, Melrose, MA 02176. The listed phone number is (781) 662-4934.
What is Timothy Tierney's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Timothy Tierney enrolled in Medicare?
Yes. Timothy Tierney is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Timothy Tierney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Tierney reassigns Medicare benefits to Hallmark Health Medical Associates Inc (Medford, MA). 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 Tierney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Tierney accept?
Health plans from Anthem Blue Cross and Blue Shield list Timothy Tierney 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 Tierney was last updated on January 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.