Dr Mark Gerard O'callaghan, MD - Medicare Diagnostic Radiology in Tacoma, WA

Dr Mark Gerard O'callaghan, MD is a medicare enrolled "Radiology - Neuroradiology" physician in Tacoma, Washington. He graduated from medical school in 1993 and has 31 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Kaiser Foundation Health Plan Of Washington and his current practice location is 209 Martin Luther King Jr Way, Tacoma, Washington. You can reach out to his office (for appointments etc.) via phone at (253) 596-3300.

Dr Mark Gerard O'callaghan is licensed to practice in Washington (license number MD00047091) 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 1023180890.

Contact Information

Dr Mark Gerard O'callaghan, MD
209 Martin Luther King Jr Way,
Tacoma, WA 98405-4265
(253) 596-3300
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Gerard O'callaghan
GenderMale
SpecialityDiagnostic Radiology
Experience31 Years
Location209 Martin Luther King Jr Way, Tacoma, 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:
  • Dr Mark Gerard O'callaghan graduated from medical school in 1993
  NPI Data:
  • NPI Number: 1023180890
  • Provider Enumeration Date: 11/15/2006
  • Last Update Date: 04/28/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7113927310
  • Enrollment ID: I20070112000138

Medical Identifiers

Medical identifiers for Dr Mark Gerard O'callaghan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023180890NPI-NPPES
8469579MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085N0700XRadiology - Neuroradiology MD00047091 (Washington)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaiser Foundation Health Plan Of Washington90320225791482

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 Mark Gerard O'callaghan allows following entities to bill medicare on his behalf.
Entity NameKaiser Foundation Health Plan Of Washington
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396810701
PECOS PAC ID: 9032022579
Enrollment ID: O20031112000454

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 Mark Gerard O'callaghan 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 Mark Gerard O'callaghan, MD
Tacoma Medical Center, 209 Martin Luther King Jr. Way,
Tacoma, WA 98405

Ph: (253) 596-3300
Dr Mark Gerard O'callaghan, MD
209 Martin Luther King Jr Way,
Tacoma, WA 98405-4265

Ph: (253) 596-3300

Reviews and Comments


Radiology Doctors in Tacoma, WA

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Peter Alan Ory, M.D.
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Practice Location: 1304 Fawcett Ave, Suite 100, Tacoma, WA 98402
Phone: 253-680-3372    Fax: 253-383-3553

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).

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