DR. DOUGLAS WILLIAM FIELDS M.D.
NPI 1962586248
Emergency Medicine - Emergency Medical Services in New York, NY
About Dr. Douglas William Fields M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOUGLAS WILLIAM FIELDS M.D. (NPI 1962586248) is an individual emergency medical services provider in New York, New York, licensed in New York (191453) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Douglas William Fields M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Douglas Fields reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 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 10035 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.
NEW YORK, NY 10035
NEW YORK, NY 10035
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 Douglas Fields's NPI number?
The NPI number for Douglas Fields is 1962586248. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is Douglas Fields located?
Douglas Fields practices at 1879 Madison Ave, New York, NY 10035. The listed phone number is (212) 423-4000.
What is Douglas Fields's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Douglas Fields enrolled in Medicare?
Yes. Douglas Fields is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Douglas Fields's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Fields reassigns Medicare benefits to 2 organizations: Physician Affiliate Group Of New York PC (New York, NY) and Downtown Bronx Medical Associates PC (Bronx, 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 Douglas Fields'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 Douglas Fields was last updated on July 8, 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.