JUDAH FIERSTEIN M.D.
NPI 1659478246
Emergency Medicine in New York, NY
About Judah Fierstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUDAH FIERSTEIN M.D. (NPI 1659478246) is an individual emergency medicine provider in New York, New York, licensed in New York (226935) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Aspirus Iron River Hospital & Clinics, Inc, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
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
Judah Fierstein M.d. 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
9Medicare enrollment records show Judah Fierstein reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10024
- Reassigned Medicare billing, New York enrollment
- 245 clinicians in this Medicare group
New York, NY 10024
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Icahn School Of Medicine At Mount Sinai
- Also billed through NPI 1477899078 (New York)
- 345 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 clinicians in this Medicare group
Astoria, NY 11103
- Reassigned Medicare billing, New York enrollment
- 5 clinicians in this Medicare group
Brooklyn, NY 11205
- Reassigned Medicare billing, New York enrollment
- 36 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Avon, CT 06001
- Reassigned Medicare billing, Connecticut enrollment
- 182 clinicians in this Medicare group
Crystal Falls, MI 49920
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1457865198 (Michigan)
- 200 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 9
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Iron River Hospital & Clinics, Inc
Critical Access Hospitals · Iron River, MINorthern Westchester Hospital
Acute Care Hospitals · Mount Kisco, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10024 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.
Reported Quality Measures
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 Judah Fierstein's NPI number?
The NPI number for Judah Fierstein is 1659478246. It was assigned to this individual provider in the NPPES registry on September 17, 2006.
Where is Judah Fierstein located?
Judah Fierstein practices at 638 Columbus Avenue Mount Sinai Urgent Care, New York, NY 10024. The listed phone number is (212) 828-3250.
What is Judah Fierstein's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Judah Fierstein enrolled in Medicare?
Yes. Judah Fierstein 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 Judah Fierstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Judah Fierstein reassigns Medicare benefits to 9 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY), Faculty Practice Associates Mount Sinai School Of Medicine (New York, NY), Montefiore Medical Center (New York, NY), Fpa Hospital Based (New York, NY), Big Apple Primary Medical Care PC (Astoria, NY) and 4 more organizations, listed in the Medicare section above. 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 Judah Fierstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Judah Fierstein accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Judah Fierstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Judah Fierstein affiliated with any hospitals?
According to CMS data, Judah Fierstein is affiliated with Aspirus Iron River Hospital & Clinics, Inc and Northern Westchester Hospital.
When was this NPI record last updated?
The NPPES record for Judah Fierstein was last updated on July 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.