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

Mario Mendes Leitao Jr., MD

Individual provider Gynecologic Oncology Physician · NPI 1225068372

Mario Mendes Leitao Jr., MD is a Gynecological Oncology in New York, New York. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 1996, 30 years ago. Practices with MSKCC Surgery Group, a 365-clinician group and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
30
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
NJ, NY
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.

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Practice location Address checks out

1275 York Ave # H1314
New York, NY 10065-6007
Phone: (212) 639-3987
Fax: (212) 717-3709
Show map & directions

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

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence 208249 (NY)
Gynecologic Oncology Physician Taxonomy 207VX0201X · Licence 25MA07727200 (NJ)

Record details

NPI number1225068372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 4, 2006
Last updated in NPPESMay 29, 2024
Certification dateMay 29, 2024

Medicare enrollment

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

Medicare specialtyGYNECOLOGICAL ONCOLOGY
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 1996 (30 years in practice)
Group practice Mskcc Surgery Group — 365 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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