MAHSA BROWN MD
NPI 1669978011
Internal Medicine - Cardiovascular Disease in Brooklyn, NY
About Mahsa Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAHSA BROWN MD (NPI 1669978011) is an individual cardiovascular disease provider in Brooklyn, New York, licensed in New York (329101) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and maintains a secondary practice location in Brooklyn.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Mahsa Brown Md 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
3Medicare enrollment records show Mahsa Brown reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 1,177 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 61 clinicians in this Medicare group
Staten Island, NY 10301
- Reassigned Medicare billing, New York enrollment
- 724 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maimonides Medical Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11219 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.
BROOKLYN, NY 11219
BROOKLYN, NY 11219
BROOKLYN, NY 11219
BROOKLYN, NY 11219
BROOKLYN, NY 11219
BROOKLYN, NY 11219
BROOKLYN, NY 11219
BROOKLYN, NY 11219
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 Mahsa Brown's NPI number?
The NPI number for Mahsa Brown is 1669978011. It was assigned to this individual provider in the NPPES registry on April 4, 2018.
Where is Mahsa Brown located?
Mahsa Brown practices at Maimonides Medical Center 4802 10th Ave, Brooklyn, NY 11219. The listed phone number is (718) 283-6000.
What is Mahsa Brown's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Mahsa Brown enrolled in Medicare?
Yes. Mahsa Brown 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 Mahsa Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mahsa Brown reassigns Medicare benefits to 3 organizations: Maimonides Faculty Practice Plan (Brooklyn, NY), Maimonides Cardiology Fpp (Brooklyn, NY) and Advantagecare Physicians PC (Staten Island, 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 Mahsa Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mahsa Brown affiliated with any hospitals?
According to CMS data, Mahsa Brown is affiliated with Maimonides Medical Center.
When was this NPI record last updated?
The NPPES record for Mahsa Brown was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Mahsa Brown, MD · NPI 1669978011
Cardiovascular Disease physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since April 4, 2018.
## Identity
- **NPI:** 1669978011 (Entity type: Individual)
- **Enumerated:** April 4, 2018
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 329101 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** MAIMONIDES MEDICAL CENTER, 4802 10TH AVE, Brooklyn, NY 11219-2916
- **Phone:** (718) 283-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Maimonides Faculty Practice Plan (NPI 1053344846, Brooklyn, NY); Maimonides Cardiology Fpp (NPI 1477803385, Brooklyn, NY); Advantagecare Physicians PC (NPI 1063954113, Staten Island, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** May 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669978011) · Data from the CMS NPPES public registry.