HealthCareAtlasUSA

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Doctors / CA

OSTAP G MELNYK, MD

HEMATOLOGY/ONCOLOGY

Medical school: UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE

Graduated: 1985

Also: INTERNAL MEDICINE

NPI: 1205834702

Practice Locations (2)

2345 COUNTRY HILLS DR

ANTIOCH, CA 945097319

13847 E 14TH ST, SUITE 217

San Leandro, CA 945782626

Source: CMS National Downloadable File, September 2026.

OSTAP MELNYK, MD | HealthCareAtlasUSA