DR. DAVID WEITHORN MD
NPI 1033504303
Surgery in West Orange, NJ
About Dr. David Weithorn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID WEITHORN MD (NPI 1033504303) is an individual surgery provider in West Orange, New Jersey, licensed in New Jersey (25MA10698500) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Florida International Univ, College Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 2
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. David Weithorn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show David Weithorn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07052 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.
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 David Weithorn's NPI number?
The NPI number for David Weithorn is 1033504303. It was assigned to this individual provider in the NPPES registry on April 2, 2015.
Where is David Weithorn located?
David Weithorn practices at 101 Old Short Hills Rd Ste 206, West Orange, NJ 07052. The listed phone number is (973) 731-5005.
What is David Weithorn's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is David Weithorn enrolled in Medicare?
Yes. David Weithorn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Weithorn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Weithorn reassigns Medicare benefits to 2 organizations: Barnabas Health Medical Group PC (Elizabeth, NJ) and Montefiore Medical Center (New York, 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 David Weithorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Weithorn affiliated with any hospitals?
According to CMS data, David Weithorn is affiliated with Montefiore Medical Center.
When was this NPI record last updated?
The NPPES record for David Weithorn was last updated on March 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.