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

Oscar R Quezada, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1770670945

Oscar R Quezada, MD is an Obstetrics/Gynecology in Riverhead, New York. Graduated from University of Texas Southwestern Medical School at Dallas in 1997, 29 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York and Texas.

Years since qualifying
29
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
NY, TX
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.

See every abbreviation used in this directory →

Practice location Address checks out

31 Main Rd
Riverhead, NY 11901-1953
Phone: (361) 727-4950
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 273139 (NY)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence K7471 (TX)

Record details

NPI number1770670945
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESOctober 17, 2020
Certification dateOctober 17, 2020
Mailing address6 Beatty Rd, Shoreham, NY 11786-1053

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1997 (29 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Riverhead