DR. GERALD GELDZAHLER
NPI 1871643502
Dentist - Oral and Maxillofacial Surgery in Livingston, NJ
About Dr. Gerald Geldzahler NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GERALD GELDZAHLER (NPI 1871643502) is an individual oral and maxillofacial surgery provider in Livingston, New Jersey, licensed in New Jersey (D10138) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and is a graduate of New York University College Of Dentistry (1974).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Gerald Geldzahler 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 Gerald Geldzahler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11213
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Interfaith Professional Physician Services PC
- 635 clinicians in this Medicare group
Brooklyn, NY 11212
- Reassigned Medicare billing, New York enrollment
- 782 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.
Brookdale Hospital Medical Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07039 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LIVINGSTON, NJ 07039
LIVINGSTON, NJ 07039
LIVINGSTON, NJ 07039
LIVINGSTON, NJ 07039
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 Gerald Geldzahler's NPI number?
The NPI number for Gerald Geldzahler is 1871643502. It was assigned to this individual provider in the NPPES registry on January 12, 2007.
Where is Gerald Geldzahler located?
Gerald Geldzahler practices at 340 E Northfield Rd Suite 1-C, Livingston, NJ 07039. The listed phone number is (973) 731-8844.
What is Gerald Geldzahler's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is Gerald Geldzahler enrolled in Medicare?
Yes. Gerald Geldzahler 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 Gerald Geldzahler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gerald Geldzahler reassigns Medicare benefits to 2 organizations: Interfaith Professional Physician Services, P.C. (Brooklyn, NY) and Brookdale Hospital Medical Center (Brooklyn, 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 Gerald Geldzahler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gerald Geldzahler affiliated with any hospitals?
According to CMS data, Gerald Geldzahler is affiliated with Brookdale Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Gerald Geldzahler was last updated on March 25, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Gerald Geldzahler · NPI 1871643502
Oral and Maxillofacial Surgery provider in Livingston, New Jersey. Individual provider, active in the CMS NPPES registry since January 12, 2007.
## Identity
- **NPI:** 1871643502 (Entity type: Individual)
- **Enumerated:** January 12, 2007
- **Primary specialty:** Dentist - Oral and Maxillofacial Surgery · taxonomy 1223S0112X
- **State license:** D10138 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 340 E NORTHFIELD RD, SUITE 1-C, Livingston, NJ 07039-4892
- **Phone:** (973) 731-8844
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Interfaith Professional Physician Services, P.C. (NPI 1457643991, Brooklyn, NY); Brookdale Hospital Medical Center (NPI 1720028772, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University College Of Dentistry, class of 1974
## Record status
- **NPPES last updated:** March 25, 2015
- **Other identifiers:** Medicare UPIN U11800 (NJ); Medicaid 01048897 (NY); Medicare UPIN DOH781 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1871643502) · Data from the CMS NPPES public registry.