MARK FILSTEIN MD
NPI 1649396110
Specialist in Brooklyn, NY
About Mark Filstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK FILSTEIN MD (NPI 1649396110) is an individual specialist in Brooklyn, New York, licensed in New York (182093) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of University Of California, San Francisco School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Filstein 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11235
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 Mark Filstein's NPI number?
The NPI number for Mark Filstein is 1649396110. It was assigned to this individual provider in the NPPES registry on March 22, 2007.
Where is Mark Filstein located?
Mark Filstein practices at 2422 Knapp St, Brooklyn, NY 11235. The listed phone number is (718) 934-6777.
What is Mark Filstein's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Mark Filstein enrolled in Medicare?
Yes. Mark Filstein 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.
When was this NPI record last updated?
The NPPES record for Mark Filstein was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mark Filstein, MD · NPI 1649396110
Specialist provider in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since March 22, 2007.
## Identity
- **NPI:** 1649396110 (Entity type: Individual)
- **Enumerated:** March 22, 2007
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 182093 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2422 KNAPP ST, Brooklyn, NY 11235-1006
- **Phone:** (718) 934-6777
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** October 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649396110) · Data from the CMS NPPES public registry.