DR. TERRENCE WELSH M.D.
NPI 1821231135
Anesthesiology in Florham Park, NJ
About Dr. Terrence Welsh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TERRENCE WELSH M.D. (NPI 1821231135) is an individual anesthesiology provider in Florham Park, New Jersey, licensed in New Jersey (25MA08955700) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Basking Ridge, and is a graduate of New York University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Terrence Welsh 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
2Medicare enrollment records show Terrence Welsh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Florham Park, NJ 07932
- Reassigned Medicare billing, New Jersey enrollment
- 7 clinicians in this Medicare group
Cedar Knolls, NJ 07927
- Reassigned Medicare billing, New Jersey enrollment
- 26 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 20
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.
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.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLORHAM PARK, NJ 07932
FLORHAM PARK, NJ 07932
FLORHAM PARK, NJ 07932
FLORHAM PARK, NJ 07932
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 Terrence Welsh's NPI number?
The NPI number for Terrence Welsh is 1821231135. It was assigned to this individual provider in the NPPES registry on April 16, 2009.
Where is Terrence Welsh located?
Terrence Welsh practices at 123 Columbia Tpke Ste 102B, Florham Park, NJ 07932. The listed phone number is (973) 755-0190.
What is Terrence Welsh's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Terrence Welsh enrolled in Medicare?
Yes. Terrence Welsh 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 Terrence Welsh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terrence Welsh reassigns Medicare benefits to 2 organizations: Fortera Health LLC (Florham Park, NJ) and Maxim Brain And Spine (Cedar Knolls, NJ). 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 Terrence Welsh'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 Terrence Welsh was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.