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

Individual provider Obstetrics & Gynecology Physician · NPI 1497739064

John Gregg Petraco, MD is an Obstetrics/Gynecology in Port Jefferson, New York. Graduated from State University of New York at Stony Brook, School of Medicine in 1991, 35 years ago. Practices with North Shore Hematology Oncology Associates PC, a 473-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
35
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NY
In the registry since
2005
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

118 N Country Rd
Port Jefferson, NY 11777-2120
Phone: (631) 471-7171
Fax: (631) 473-4605
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 194289 (NY)

Record details

NPI number1497739064
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESOctober 10, 2011

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice North Shore Hematology Oncology Associates Pc — 473 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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