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

Dr. Alexander Michael Stessin, MD, PHD

Individual provider Radiation Oncology Physician · NPI 1598992802

Dr. Alexander Michael Stessin, MD, PHD is a Radiation Oncology in Stony Brook, New York. Qualified in 2009, 17 years ago. Practices with Stony Brook Radiation Oncology, University Faculty Practice Corporatio, a 7-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
17
Licensed in
NY
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Partly verified

Some contact details are missing from the federal record.

Dept Of Radiation Oncology Stony Brook Univ 101 Nicolls Rd
Stony Brook, NY 11794-7028
Phone: (347) 524-0947
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 274556 (NY)

Record details

NPI number1598992802
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJune 12, 2009
Last updated in NPPESDecember 8, 2014

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Stony Brook Radiation Oncology, University Faculty Practice Corporatio — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Stony Brook