William Y Oh, MD - Medicare Orthopaedic Surgery in Tamuning, GU

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William Y Oh, MD is a medicare enrolled "Orthopaedic Surgery" physician in Tamuning, Guam. His current practice location is 388 Ypao Rd, Tamuning, Guam. You can reach out to his office (for appointments etc.) via phone at (671) 646-8881.

William Y Oh is licensed to practice in Guam (license number M-2293) 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 1770586117.

Contact Information

William Y Oh, MD
388 Ypao Rd,
Tamuning, GU 96913-3701
(671) 646-8881
(671) 646-1292

Map and Direction




Physician's Profile

Full NameWilliam Y Oh
GenderMale
SpecialityOrthopaedic Surgery
Location388 Ypao Rd, Tamuning, Guam
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1770586117
  • Provider Enumeration Date: 05/31/2005
  • Last Update Date: 04/25/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4082791694
  • Enrollment ID: I20230308001626

Medical Identifiers

Medical identifiers for William Y Oh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770586117NPI-NPPES
7100187290MedicaidKY
P39740027OtherMIMEDICARE PTAN
50035861OtherKYPASSPORT MEDICAID
81381OtherKYCOVENTRYCARES
006409458MedicaidVA
H122863OtherGUMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 17710 (Kentucky)Secondary
207X00000XOrthopaedic Surgery 80045 (Ohio)Secondary
207X00000XOrthopaedic Surgery 4301106667 (Michigan)Secondary
207X00000XOrthopaedic Surgery 01079317A (Indiana)Secondary
207XS0106XOrthopaedic Surgery - Hand Surgery 0101035843 (Virginia)Secondary
207XS0106XOrthopaedic Surgery - Hand Surgery 80045 (Ohio)Secondary
207XX0801XOrthopaedic Surgery - Orthopaedic Trauma 80045 (Ohio)Secondary
207X00000XOrthopaedic Surgery M-2293 (Guam)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. William Y Oh allows following entities to bill medicare on his behalf.
Entity NameGeneral Conference Corp Of Sda
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275586877
PECOS PAC ID: 6608777628
Enrollment ID: O20040114000187

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. William Y Oh 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
William Y Oh, MD
1501 W Chisholm St,
Alpena, MI 49707-1401

Ph: (989) 356-9333		William Y Oh, MD
388 Ypao Rd,
Tamuning, GU 96913-3701

Ph: (671) 646-8881

Reviews and Comments


Orthopaedic Surgery Doctors in Tamuning, GU

Glenn Donald Cunningham, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 850 Governor Carlos Camacho Road, Guam Memorial Hospital Authority, Tamuning, GU 96913
Phone: 671-647-2488    Fax: 671-647-2348
Ruben Pasion Arafiles, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 633 Gov. Carlos Camacho Rd, Suite 212, Tamuning, GU 96913
Phone: 671-646-6610    Fax: 671-649-2266
Jan Anders Bollinger, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 633 Gov Carlos Camacho Rd, Suite 212 Guam Medical Plaza, Tamuning, GU 96913
Phone: 671-646-6610    Fax: 671-649-2266

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.