GARY LEWIS NEIFELD MD
NPI 1427004522
Emergency Medicine in Poughkeepsie, NY
About Gary Lewis Neifeld Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY LEWIS NEIFELD MD (NPI 1427004522) is an individual emergency medicine provider in Poughkeepsie, New York, licensed in New York (166019) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gary Lewis Neifeld Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Gary Neifeld reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 201 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12601 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.
POUGHKEEPSIE, NY 12601
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 Gary Neifeld's NPI number?
The NPI number for Gary Neifeld is 1427004522. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Gary Neifeld located?
Gary Neifeld practices at 241 North Rd, Poughkeepsie, NY 12601. The listed phone number is (845) 483-8220.
What is Gary Neifeld's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gary Neifeld enrolled in Medicare?
Yes. Gary Neifeld is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gary Neifeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Neifeld reassigns Medicare benefits to 2 organizations: Emergency Physician Services Of New York, P.C. (Poughkeepsie, NY) and Optum Medical Care, P.C. (Mount Kisco, 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 Gary Neifeld'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 Gary Neifeld was last updated on July 16, 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.