Mark William Baker, MD - Medicare Emergency Medicine in Aiea, HI

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Mark William Baker, MD is a medicare enrolled "Emergency Medicine" physician in Aiea, Hawaii. His current practice location is 98-1079 Moanalua Rd, Aiea, Hawaii. You can reach out to his office (for appointments etc.) via phone at (330) 493-4443.

Mark William Baker is licensed to practice in Hawaii (license number MD6652) 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 1861547945.

Contact Information

Mark William Baker, MD
98-1079 Moanalua Rd,
Aiea, HI 96701-4713
(330) 493-4443
(330) 493-8677

Map and Direction




Physician's Profile

Full NameMark William Baker
GenderMale
SpecialityEmergency Medicine
Location98-1079 Moanalua Rd, Aiea, Hawaii
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1861547945
  • Provider Enumeration Date: 01/25/2007
  • Last Update Date: 11/19/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6507969326
  • Enrollment ID: I20110124000318

Medical Identifiers

Medical identifiers for Mark William Baker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861547945NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine MD6652 (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. Mark William Baker allows following entities to bill medicare on his behalf.
Entity NameEmergency Medicine Physicians Of Honolulu Pali Momi Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699076976
PECOS PAC ID: 8729267075
Enrollment ID: O20110119000867
Entity NameEmergency Medicine Physicians Of Honolulu Kapiolani Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760894984
PECOS PAC ID: 9032338454
Enrollment ID: O20140917002373

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. Mark William Baker 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
Mark William Baker, MD
4535 Dressler Rd Nw,
Canton, OH 44718-2545

Ph: (330) 493-4443		Mark William Baker, MD
98-1079 Moanalua Rd,
Aiea, HI 96701-4713

Ph: (330) 493-4443

Reviews and Comments


Emergency Medicine Doctors in Aiea, HI

Robert Canonico, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 98-1079 Moanalua Rd, Aiea, HI 96701
Phone: 330-493-4443    
Soo Hyun Ahn, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 98-1079 Moanalua Rd, Aiea, HI 96701
Phone: 808-486-6000    
David F. Moore, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 99-840 Iwaiwa St, Aiea, HI 96701
Phone: 808-828-0202    
Dr. Joseph D. Lewis Iv, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 98-777 Lanikuakaa St, Aiea, HI 96701
Phone: 808-484-9109    Fax: 808-485-1976
Dr. Alan L Chang, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 98-1079 Moanalua Rd, Emergency Department, Pali Momi Medical Center, Aiea, HI 96701
Phone: 808-485-4300    
Jason Fleming, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 98-1079 Moanalua Rd, Aiea, HI 96701
Phone: 808-485-4300    Fax: 808-485-4300
Dinora Gil, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 98-1079 Moanalua Rd, Aiea, HI 96701
Phone: 330-493-4443    

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.