Eric William Spak, MD - Medicare Diagnostic Radiology in Tamuning, GU

Eric William Spak, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Tamuning, Guam. He went to Georgetown University School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Guam Memorial Hospital, Guam X-ray, Guam Healthcare Development Incorporated and his current practice location is 301 Frank H Cushing Way # 3a, Tamuning, Guam. You can reach out to his office (for appointments etc.) via phone at (671) 687-6544.

Eric William Spak is licensed to practice in Guam (license number M1501) 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 1053525170.

Contact Information

Eric William Spak, MD
301 Frank H Cushing Way # 3a,
Tamuning, GU 96913-4067
(671) 687-6544
Not Available

Map and Direction




Physician's Profile

Full NameEric William Spak
GenderMale
SpecialityDiagnostic Radiology
Experience40 Years
Location301 Frank H Cushing Way # 3a, Tamuning, Guam
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:
  • Eric William Spak attended and graduated from Georgetown University School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1053525170
  • Provider Enumeration Date: 05/09/2007
  • Last Update Date: 02/21/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 8628084027
  • Enrollment ID: I20210325002790

Medical Identifiers

Medical identifiers for Eric William Spak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053525170NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology M1501 (Guam)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Guam Regional Medical CityDededo, GUHospital
Guam Memorial Hospital AuthorityTamuning, GUHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Guam Memorial Hospital589078169458
Guam X-ray812318074224
Guam Healthcare Development Incorporated9234351776129

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. Eric William Spak allows following entities to bill medicare on his behalf.
Entity NameGuam Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366519027
PECOS PAC ID: 5890781694
Enrollment ID: O20040426000038
Entity NameGuam Healthcare Development Incorporated
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326447939
PECOS PAC ID: 9234351776
Enrollment ID: O20150326000266
Entity NameGuam X-ray
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376767426
PECOS PAC ID: 8123180742
Enrollment ID: O20210325002365

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. Eric William Spak 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
Eric William Spak, MD
301 Frank H Cushing Way # 3a,
Tamuning, GU 96913-4067

Ph: (671) 687-6544
Eric William Spak, MD
301 Frank H Cushing Way # 3a,
Tamuning, GU 96913-4067

Ph: (671) 687-6544

Reviews and Comments


Radiology Doctors in Tamuning, GU

Dr. Laura Taylor, M.D.
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Nathaniel Benjamin Berg, MD
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Jeffery D. Shay, MD
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Phone: 671-649-1001    Fax: 671-649-1002
Dr. Xavier Rajesh Packianathan, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 633 Gov Carlos Camacho Rd, Suite 210, Tamuning, GU 96913
Phone: 671-649-1001    

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.