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

Dr. Alyssa Joan Mancini, MD

Individual provider Internal Medicine Physician · NPI 1629562368

Dr. Alyssa Joan Mancini, MD is an Endocrinology in Stony Brook, New York. Qualified in 2018, 8 years ago. Practices with Stony Brook Internists University Faculty Practice Corporation, a 428-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New York.

Years since qualifying
8
Licensed in
MA, NY
In the registry since
2018
Specialties on file
4
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

101 Nicolls Rd Hsc 16-047
Stony Brook, NY 11794
Phone: (631) 444-0580
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 55 Fruit St, Boston, MA 02114-2696 — (617) 724-0287
  • 330 Brookline Ave, Boston, MA 02215-5491 — (617) 667-7000

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 321878 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 286411 (MA)
Hospitalist Physician Taxonomy 208M00000X · Licence 286411 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 276092 (MA)

Record details

NPI number1629562368
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2018
Last updated in NPPESJune 30, 2025
Certification dateJune 30, 2025

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Stony Brook Internists University Faculty Practice Corporation — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Stony Brook