Dr Martin W Oster, MD - Medicare Internal Medicine in New York, NY

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Dr Martin W Oster, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in New York, New York. His current practice location is 161 Fort Washington Ave, New York, New York. You can reach out to his office (for appointments etc.) via phone at (212) 305-8231.

Dr Martin W Oster is licensed to practice in New York (license number 114474) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1518065564.

Contact Information

Dr Martin W Oster, MD
161 Fort Washington Ave,
New York, NY 10032-3729
(212) 305-8231
(212) 305-4667

Map and Direction




Physician's Profile

Full NameDr Martin W Oster
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location161 Fort Washington Ave, New York, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1518065564
  • Provider Enumeration Date: 09/20/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 3870760424
  • Enrollment ID: I20120123000171

Medical Identifiers

Medical identifiers for Dr Martin W Oster such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518065564NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 114474 (New York)Primary

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 Martin W Oster allows following entities to bill medicare on his behalf.
Entity NameThe Westchester Medical Practice Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225222953
PECOS PAC ID: 9335238732
Enrollment ID: O20080502000160

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 Martin W Oster 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 Martin W Oster, MD
161 Fort Washington Ave,
New York, NY 10032-3729

Ph: (212) 305-8231		Dr Martin W Oster, MD
161 Fort Washington Ave,
New York, NY 10032-3729

Ph: (212) 305-8231

Reviews and Comments


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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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