Guy Hirayama, MD - Medicare Pediatrics in Wailuku, HI

Guy Hirayama, MD is a medicare enrolled "Pediatrics" physician in Wailuku, Hawaii. His current practice location is 2180 Main St, Wailuku, Hawaii. You can reach out to his office (for appointments etc.) via phone at (808) 242-6464.

Guy Hirayama is licensed to practice in Hawaii (license number MD4588) 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 1679594980.

Contact Information

Guy Hirayama, MD
2180 Main St,
Wailuku, HI 96793-1666
(808) 242-6464
(808) 243-2385

Map and Direction




Physician's Profile

Full NameGuy Hirayama
GenderMale
SpecialityPediatrics
Location2180 Main St, Wailuku, Hawaii
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679594980
  • Provider Enumeration Date: 07/21/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 2668368713
  • Enrollment ID: I20100707000579

Medical Identifiers

Medical identifiers for Guy Hirayama such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679594980NPI-NPPES
016121OtherHIHMSA-65CP-HMSA QUEST
99017685996793B077OtherHITRICARE
01503601OtherHIALOHA CARE QUEST
01503601MedicaidHI
197743OtherHIUHA
4588OtherHITRICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD4588 (Hawaii)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. Guy Hirayama allows following entities to bill medicare on his behalf.
Entity NameMaui Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215963970
PECOS PAC ID: 7214823368
Enrollment ID: O20040225000575

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. Guy Hirayama 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
Guy Hirayama, MD
2180 Main St,
Wailuku, HI 96793-1666

Ph: (808) 242-6464
Guy Hirayama, MD
2180 Main St,
Wailuku, HI 96793-1666

Ph: (808) 242-6464

Reviews and Comments


Pediatrics Doctors in Wailuku, HI

Maria A. Matijasevic, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 55 Maui Lani Pkwy, Wailuku, HI 96793
Phone: 808-243-6050    
Dr. Douglas J Gamet, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 55 Mauilani Pkwy, Wailuku, HI 96793
Phone: 808-243-6125    Fax: 808-243-6134
David M. Bacchus, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 55 Maui Lani Pkwy, Wailuku, HI 96793
Phone: 808-243-6050    
Dr. Garry Cameron, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 1881 Nani St, Wailuku, HI 96793
Phone: 808-871-7772    Fax: 808-872-4031
Dr. David M. Ulin, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 55 Mauilani Pkwy, Wailuku, HI 96793
Phone: 808-243-6050    
Dr. Roxanne Bhattacharya, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 2180 Main St, Wailuku, HI 96793
Phone: 808-242-6464    Fax: 808-243-2385
Dr. Holly M Romero, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 221 Mahalani St, Wailuku, HI 96793
Phone: 808-244-9056    

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.