DR. TIMOTHY HERLIHY M.D.
NPI 1972667434
Internal Medicine in Towson, MD
About Dr. Timothy Herlihy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY HERLIHY M.D. (NPI 1972667434) is an individual internal medicine provider in Towson, Maryland, licensed in Maryland (D0032639) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Timothy Herlihy M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Timothy Herlihy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Towson, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 501 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 21204 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.
Referred Medical Equipment & Supplies CMS DME claims 5
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOWSON, MD 21204
TOWSON, MD 21204
TOWSON, MD 21204
TOWSON, MD 21204
TOWSON, MD 21204
TOWSON, MD 21204
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 Herlihy's NPI number?
The NPI number for Timothy Herlihy is 1972667434. It was assigned to this individual provider in the NPPES registry on December 20, 2006.
Where is Timothy Herlihy located?
Timothy Herlihy practices at 120 Sister Pierre Dr, Towson, MD 21204. The listed phone number is (410) 296-5290.
What is Timothy Herlihy's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Timothy Herlihy enrolled in Medicare?
Yes. Timothy Herlihy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Timothy Herlihy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Herlihy reassigns Medicare benefits to University Of Maryland St. Joseph Medical Group, LLC (Towson, MD). 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 Herlihy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Timothy Herlihy was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Timothy Herlihy, M.D. · NPI 1972667434
Internal Medicine physician in Towson, Maryland. Individual provider, active in the CMS NPPES registry since December 20, 2006.
## Identity
- **NPI:** 1972667434 (Entity type: Individual)
- **Enumerated:** December 20, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0032639 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 120 SISTER PIERRE DR, Towson, MD 21204-7516
- **Phone:** (410) 296-5290
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland St. Joseph Medical Group, LLC (NPI 1053816074, Towson, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN D74624 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1972667434) · Data from the CMS NPPES public registry.