Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Matthew J Fisher, MD

Individual provider Infectious Disease Physician · NPI 1891038964

Matthew J Fisher, MD is a Hospitalist in Stony Brook, New York. Qualified in 2013, 13 years ago. Practices with Stony Brook Internists University Faculty Practice Corporation, a 428-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
13
Licensed in
NY
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Stony Brook University Hospital Dept OF Pediatrics Hsc T-11/040
Stony Brook, NY 11794-8111
Phone: (631) 444-2020
Fax: (631) 444-2894
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 400 E Main St, Mount Kisco, NY 10549-3417 — (914) 666-1200

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 295801 (NY)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 295801 (NY)

Record details

NPI number1891038964
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2013
Last updated in NPPESJanuary 13, 2024
Certification dateJanuary 13, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Stony Brook Internists University Faculty Practice Corporation — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Stony Brook