Dr Ostap G Melnyk, MD - Medicare Hematology/oncology in San Leandro, CA

Dr Ostap G Melnyk, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in San Leandro, California. He went to University Of Chicago, Pritzker School Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Epic Care and his current practice location is 13847 E 14th St, Suite 217, San Leandro, California. You can reach out to his office (for appointments etc.) via phone at (510) 483-2555.

Dr Ostap G Melnyk is licensed to practice in California (license number G66164) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205834702.

Contact Information

Dr Ostap G Melnyk, MD
13847 E 14th St, Suite 217,
San Leandro, CA 94578-2626
(510) 483-2555
(510) 483-1856

Map and Direction




Physician's Profile

Full NameDr Ostap G Melnyk
GenderMale
SpecialityHematology/oncology
Experience39 Years
Location13847 E 14th St, San Leandro, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Ostap G Melnyk attended and graduated from University Of Chicago, Pritzker School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1205834702
  • Provider Enumeration Date: 07/08/2005
  • Last Update Date: 05/14/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 2365348505
  • Enrollment ID: I20080616000717

Medical Identifiers

Medical identifiers for Dr Ostap G Melnyk such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205834702NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology G66164 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CAHospital
Alta Bates Summit Medical CenterOakland, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Epic Care589005309444

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Ostap G Melnyk allows following entities to bill medicare on his behalf.
Entity NameEpic Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780107797
PECOS PAC ID: 5890053094
Enrollment ID: O20171215002809

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Ostap G Melnyk is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Ostap G Melnyk, MD
4721 Dallas Ranch Road,
Antioch, CA 94531-8811

Ph: (925) 778-0679
Dr Ostap G Melnyk, MD
13847 E 14th St, Suite 217,
San Leandro, CA 94578-2626

Ph: (510) 483-2555

Reviews and Comments


Internal Medicine Doctors in San Leandro, CA

Dr. Evelyn Junko Nakagawa, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2800 Benedict Dr, San Leandro, CA 94577
Phone: 415-233-3604    Fax: 415-295-5109
Jeffrey Silvers, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 13847 E 14th St, Suite 116, San Leandro, CA 94578
Phone: 510-895-0388    Fax: 510-895-0342
Dr. Asaf Shor, M.D.
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Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Dr. Arlen Randall Hoh, MD, MPH
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 15400 Foothill Blvd, San Leandro, CA 94578
Phone: 510-895-4288    Fax: 510-895-4285
Masood Younus,
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St Bldg A1, San Leandro, CA 94577
Phone: 510-454-2434    
Tri Dang Do, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 101 Callan Ave Ste 300, San Leandro, CA 94577
Phone: 510-300-5340    
Dr. Shraddha Prakash, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, Kaiser Permanente, San Leandro, CA 94577
Phone: 510-454-5750    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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