DR. HOWARD EICHENSTEIN M.D.
NPI 1083679773
Internal Medicine in Brooklyn, NY
About Dr. Howard Eichenstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOWARD EICHENSTEIN M.D. (NPI 1083679773) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (174366) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).
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. Howard Eichenstein 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
2Medicare enrollment records show Howard Eichenstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: North Shore Lij Urgent Care PC
- 210 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Siena Emergency Medical Services PC
- 55 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 13
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 11237 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.
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.
BROOKLYN, NY 11237
BROOKLYN, NY 11237
BROOKLYN, NY 11237
BROOKLYN, NY 11237
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 Howard Eichenstein's NPI number?
The NPI number for Howard Eichenstein is 1083679773. It was assigned to this individual provider in the NPPES registry on April 18, 2006.
Where is Howard Eichenstein located?
Howard Eichenstein practices at 374 Stockholm St C/O Faculty Practice, Brooklyn, NY 11237. The listed phone number is (718) 963-6551.
What is Howard Eichenstein's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Howard Eichenstein enrolled in Medicare?
Yes. Howard Eichenstein 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 Howard Eichenstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Howard Eichenstein reassigns Medicare benefits to 2 organizations: North Shore Lij, Urgent Care, P.C. (Rockville Centre, NY) and Siena Emergency Medical Services, P.C. (Smithtown, 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 Howard Eichenstein'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 Howard Eichenstein was last updated on July 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.