John Patrick O'brien, MD - Medicare Diagnostic Radiology in Seattle, WA

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John Patrick O'brien, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Seattle, Washington. He graduated from medical school in 1989 and has 37 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice North Shore Hematology Oncology Associates Pc and his current practice location is 325 9th Ave, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 744-3561.

John Patrick O'brien is licensed to practice in New York (license number 286896) 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 1396072195.

Contact Information

John Patrick O'brien, MD
325 9th Ave,
Seattle, WA 98104-2420
(206) 744-3561
Not Available

Map and Direction




Physician's Profile

Full NameJohn Patrick O'brien
GenderMale
SpecialityDiagnostic Radiology
Experience37 Years
Location325 9th Ave, Seattle, Washington
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:
  • John Patrick O'brien graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1396072195
  • Provider Enumeration Date: 11/16/2009
  • Last Update Date: 09/29/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 3476692500
  • Enrollment ID: I20170104000466

Medical Identifiers

Medical identifiers for John Patrick O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396072195NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085B0100XRadiology - Body Imaging MD00031261 (Washington)Secondary
2085R0202XRadiology - Diagnostic Radiology MD00031261 (Washington)Secondary
2085R0202XRadiology - Diagnostic Radiology 286896 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore Hematology Oncology Associates Pc1456243641474

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. John Patrick O'brien allows following entities to bill medicare on his behalf.
Entity NameNorth Shore Hematology Oncology Associates PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396794574
PECOS PAC ID: 1456243641
Enrollment ID: O20040324001766
Entity NameAlbany Medical Center Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609806520
PECOS PAC ID: 8224018999
Enrollment ID: O20040722001140
Entity NameChinatown True Care Medical PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912567884
PECOS PAC ID: 2163859760
Enrollment ID: O20200220000904

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. John Patrick O'brien 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
John Patrick O'brien, MD
Po Box 50095,
Seattle, WA 98145-5095

Ph: (206) 520-5307		John Patrick O'brien, MD
325 9th Ave,
Seattle, WA 98104-2420

Ph: (206) 744-3561

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.

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.