MIRIAM CELIA GREENBERG MD
NPI 1669520334
Internal Medicine in Brooklyn, NY
About Miriam Celia Greenberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIRIAM CELIA GREENBERG MD (NPI 1669520334) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (196410) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
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 (PECOS)
Miriam Celia Greenberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Miriam Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11205
- Reassigned Medicare billing, New York enrollment
- 73 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 11230 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11230
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 Miriam Greenberg's NPI number?
The NPI number for Miriam Greenberg is 1669520334. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Miriam Greenberg located?
Miriam Greenberg practices at 1408 Ocean Avenue 2nd Floor, Brooklyn, NY 11230. The listed phone number is (718) 677-7600.
What is Miriam Greenberg's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Miriam Greenberg enrolled in Medicare?
Yes. Miriam Greenberg is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Miriam Greenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Miriam Greenberg reassigns Medicare benefits to Prominis Medical Services PC (Brooklyn, NY). The 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 Miriam Greenberg'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 Miriam Greenberg 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.