Michael Ishioka, MD - Medicare Internal Medicine in Honolulu, HI

Michael Ishioka, MD is a medicare enrolled "Internal Medicine" physician in Honolulu, Hawaii. He went to University Of Michigan Medical School and graduated in 1975 and has 49 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Castle Medical Center and his current practice location is 321 N. Kuakini St., Suite #201, Honolulu, Hawaii. You can reach out to his office (for appointments etc.) via phone at (808) 523-8611.

Michael Ishioka is licensed to practice in Hawaii (license number MD-3260) 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 1811085400.

Contact Information

Michael Ishioka, MD
321 N. Kuakini St., Suite #201,
Honolulu, HI 96817-2399
(808) 523-8611
Not Available

Map and Direction




Physician's Profile

Full NameMichael Ishioka
GenderMale
SpecialityInternal Medicine
Experience49 Years
Location321 N. Kuakini St., Honolulu, Hawaii
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:
  • Michael Ishioka attended and graduated from University Of Michigan Medical School in 1975
  NPI Data:
  • NPI Number: 1811085400
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 2567416704
  • Enrollment ID: I20100421000650

Medical Identifiers

Medical identifiers for Michael Ishioka such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811085400NPI-NPPES
03920301MedicaidHI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD-3260 (Hawaii)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bayada Home Health CareHonolulu, HIHome health agency
Kuakini Medical CenterHonolulu, HIHospital
Adventist Health CastleKailua, HIHospital
The Queens Medical CenterHonolulu, HIHospital
Kapiolani Medical Center For Women & ChildrenHonolulu, HIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Castle Medical Center660876277865

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. Michael Ishioka allows following entities to bill medicare on his behalf.
Entity NameCastle Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316937691
PECOS PAC ID: 6608762778
Enrollment ID: O20040225000693
Entity NameCentral Medical Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003905944
PECOS PAC ID: 3173506805
Enrollment ID: O20040611001096
Entity NameEkahi Integrated Practices Central Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356718597
PECOS PAC ID: 2062721277
Enrollment ID: O20151028002057

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. Michael Ishioka 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
Michael Ishioka, MD
321 N. Kuakini St., Suite #201,
Honolulu, HI 96817-2399

Ph: (808) 523-8611
Michael Ishioka, MD
321 N. Kuakini St., Suite #201,
Honolulu, HI 96817-2399

Ph: (808) 523-8611

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).

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