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

Michael Ghiassi, DO

Individual provider Internal Medicine Physician · NPI 1255950440

Michael Ghiassi, DO is an Internal Medicine in Riverhead, New York. Graduated from Lincoln Memorial University Medical Department in 2019, 7 years ago. Practices with Aria Health Physician Services, a 480-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
7
Trained at
Lincoln Memorial University Medical Department
Licensed in
NY, PA
In the registry since
2020
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1 Heroes Way
Riverhead, NY 11901-2058
Phone: (631) 548-6000
Show map & directions

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

Additional practice locations (1)

  • 10800 Knights Rd, Philadelphia, PA 19114-4200 — (215) 481-3915

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 322416 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS024395 (PA)

Record details

NPI number1255950440
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 8, 2020
Last updated in NPPESFebruary 4, 2025
Certification dateFebruary 4, 2025
Mailing address103 Stillwater Ct, Hendersonville, TN 37075-4370

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLINCOLN MEMORIAL UNIVERSITY MEDICAL DEPARTMENT
Graduated 2019 (7 years in practice)
Group practice Aria Health Physician Services — 480 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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