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

Matias M Dcosta, MD

Individual provider Internal Medicine Physician · NPI 1053374827

Matias M Dcosta, MD is a Gastroenterology in Port Jefferson Station, New York. Graduated from State University of New York Downstate Medical Center in 1987, 39 years ago. Practices with Gastroenterology Associates of Suffolk PC, a 6-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
39
Trained at
State University of New York Downstate Medical Center
Licensed in
CA, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

931 Hallock Ave
Port Jefferson Station, NY 11776-1228
Phone: (631) 331-7200
Fax: (631) 331-8636
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G75168 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 1764091 (NY)

Record details

NPI number1053374827
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1987 (39 years in practice)
Group practice Gastroenterology Associates Of Suffolk Pc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Port Jefferson Station