MATTHEW J. WILLENKIN MD
NPI 1326069733
Anesthesiology in Moorestown, NJ
About Matthew J. Willenkin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW J. WILLENKIN MD (NPI 1326069733) is an individual anesthesiology provider in Moorestown, New Jersey, licensed in New Jersey (25MA12780700) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Nassau University Medical Center, and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses
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
Matthew J. Willenkin 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 Reassignments
2Medicare enrollment records show Matthew Willenkin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hackensack, NJ 07601
- Reassigned Medicare billing, New Jersey enrollment
- 781 clinicians in this Medicare group
East Meadow, NY 11554
- Reassigned Medicare billing, New York enrollment
- 141 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nassau University Medical Center
Acute Care Hospitals · East Meadow, NYOther Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOORESTOWN, NJ 08057
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 Matthew Willenkin's NPI number?
The NPI number for Matthew Willenkin is 1326069733. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is Matthew Willenkin located?
Matthew Willenkin practices at 509 S Lenola Rd, Moorestown, NJ 08057. The listed phone number is (800) 380-0111.
What is Matthew Willenkin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Matthew Willenkin enrolled in Medicare?
Yes. Matthew Willenkin 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 Matthew Willenkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Willenkin reassigns Medicare benefits to 2 organizations: New Jersey Healthcare Specialists PC (Hackensack, NJ) and Upstate Anesthesia Services, P.C. (East Meadow, NY). 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 Matthew Willenkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Willenkin affiliated with any hospitals?
According to CMS data, Matthew Willenkin is affiliated with Nassau University Medical Center.
When was this NPI record last updated?
The NPPES record for Matthew Willenkin was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Matthew J. Willenkin, MD · NPI 1326069733
Anesthesiology physician in Moorestown, New Jersey. Individual provider, active in the CMS NPPES registry since July 21, 2006.
## Identity
- **NPI:** 1326069733 (Entity type: Individual)
- **Enumerated:** July 21, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 25MA12780700 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 509 S LENOLA RD, Moorestown, NJ 08057-1561
- **Phone:** (800) 380-0111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): New Jersey Healthcare Specialists PC (NPI 1174585780, Hackensack, NJ); Upstate Anesthesia Services, P.C. (NPI 1629272141, East Meadow, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1973
## Record status
- **NPPES last updated:** July 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1326069733) · Data from the CMS NPPES public registry.