Dr Adam Jan Olszewski, MD - Medicare Hematology/oncology in Providence, RI

Dr Adam Jan Olszewski, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Providence, Rhode Island. He graduated from medical school in 1999 and has 25 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Rhode Island Hospital and his current practice location is 593 Eddy St, Providence, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 444-5435.

Dr Adam Jan Olszewski is licensed to practice in Rhode Island (license number MD11974) 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 1467436915.

Contact Information

Dr Adam Jan Olszewski, MD
593 Eddy St,
Providence, RI 02903-4923
(401) 444-5435
(401) 444-8918

Map and Direction




Physician's Profile

Full NameDr Adam Jan Olszewski
GenderMale
SpecialityHematology/oncology
Experience25 Years
Location593 Eddy St, Providence, Rhode Island
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 Adam Jan Olszewski graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1467436915
  • Provider Enumeration Date: 11/29/2005
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1557366812
  • Enrollment ID: I20060921000063

Medical Identifiers

Medical identifiers for Dr Adam Jan Olszewski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467436915NPI-NPPES
7058716MedicaidRI
110087849AMedicaidMA
0070587161OtherRIMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD11974 (Rhode Island)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rhode Island HospitalProvidence, RIHospital
The Miriam HospitalProvidence, RIHospital
Newport HospitalNewport, RIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rhode Island Hospital8921900044303

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 Adam Jan Olszewski allows following entities to bill medicare on his behalf.
Entity NameRhode Island Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396849782
PECOS PAC ID: 8921900044
Enrollment ID: O20050211000311

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 Adam Jan Olszewski 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 Adam Jan Olszewski, MD
150 Union St, Apt 617,
Providence, RI 02903-1796

Ph: (401) 429-3151
Dr Adam Jan Olszewski, MD
593 Eddy St,
Providence, RI 02903-4923

Ph: (401) 444-5435

Reviews and Comments


Internal Medicine Doctors in Providence, RI

Christopher Donald Palmer, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 101 Dudley St, Providence, RI 02905
Phone: 401-274-1122    Fax: 401-453-7597
Martha Catherine Trimbur, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 245 Chapman St Ste 300, Providence, RI 02905
Phone: 401-444-4741    Fax: 401-444-4445
Karl Herman, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Fain Bldg., Providence, RI 02906
Phone: 401-793-4489    Fax: 401-793-4047
Muhammad Baig, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Fain Bldg, Providence, RI 02906
Phone: 401-793-4489    Fax: 401-793-4047
Dr. Peter Sidhom, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Chalkstone Ave, Providence, RI 02908
Phone: 603-560-2276    
Dr. Kanhai Farrakhan, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 593 Eddy St, Providence, RI 02903
Phone: 401-457-3336    Fax: 401-525-2349
Gary M Katzman, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 208 Collyer Street, Suite 100, Providence, RI 02904
Phone: 401-793-7191    Fax: 401-793-7200

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.