Physician Profile
Unclaimed ProfileAbout FILSTEIN
Based in Brooklyn, NY, Mark Filstein, MD is listed in the NPI registry under internal medicine. Mark graduated from University of California, San Francisco School of Medicine in 1985. Mark is also listed as specializing in specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (718) 934-6777
- Email not available
Practice Locations
2422 KNAPP ST
Brooklyn, NY 11235
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Brooklyn 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1985 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Filstein specialize in?
Dr. Filstein is an internal medicine in Brooklyn, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Filstein located?
Dr. Filstein is listed at 2422 KNAPP ST, Brooklyn, NY 11235. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Filstein's phone number?
The number on file is (718) 934-6777. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Filstein's NPI number?
Dr. Filstein's National Provider Identifier is 1649396110. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Filstein go to medical school?
Dr. Filstein attended University of California, San Francisco School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Filstein been practicing?
Dr. Filstein has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Filstein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Filstein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.