Macy Martinson, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

MD-23479 Issued in HI

Practice address

633 Ponahawai St Ste 103
Hilo, HI 96720-7601

Phone

(808) 481-2300

Fax

(808) 481-2301

NPI assigned

Mar 28, 2010

Last updated

Sep 25, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in OR, HI2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nephrology

Education

West Virginia University School of Medicine, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Renal Clinic IncGroup PAC ID 8628065836, 39 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Liberty Dialysis Hawaii - Hilo Dialysis Dialysis facility, Hilo, HI, CCN 122507
• Hilo Benioff Medical Center Hospital, Hilo, HI, CCN 120005

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mmartinson20851@hhsc.direct-ci.com
• Direct secure messaging: mmartinson37101@direct.acumenmd.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Northwest Renal Clinic, Inc.

  • Nephrology Physician
  • Portland, OR
  • NPI 1528036662

  HI

  Medicare reassignment Care Compare group NPD
• Northwest Renal Clinic, Inc.

  • Nephrology Physician
  • Tualatin, OR
  • NPI 1679752273
  Medicare reassignment NPD
• Northwest Renal Clinic, Inc.

  • Nephrology Physician
  • McMinnville, OR
  • NPI 1346081213
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Liberty Dialysis - Hawaii LLC

  dba Liberty Dialysis Hawaii - Hilo Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Hilo, HI
  • NPI 1851332894

  Dialysis facility

  Care Compare affiliation Name & address match
• Hilo Benioff Medical Center

  • General Acute Care Hospital
  • Hilo, HI
  • NPI 1780757856
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1269734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1881919348",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3068",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972083068",
            "telephone_number": "503-229-7976",
            "fax_number": "503-274-4767"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "633 PONAHAWAI ST STE 103",
            "city": "HILO",
            "state": "HI",
            "postal_code": "967207601",
            "telephone_number": "808-481-2300",
            "fax_number": "808-481-2301"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1130 NW 22nd Avenue, Ste 640",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972102900",
            "country_code": "US",
            "telephone_number": "503-229-7976",
            "fax_number": "503-274-4767",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARTINSON",
        "first_name": "MACY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-03-28",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "OR",
            "license": "MD171945",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "WA",
            "license": "MD60548636",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "HI",
            "license": "MD-23479",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jon V Martell, MD
• Debra Ann Martin-Fergerstrom
• Amanda Martin
• Billie Martines
• Prudence Martinez
• Kaitlyn Marumoto-Torres
• Shannon Marvel
• Taylor Mason
• Mastercare Homehealth Inc
• Mastercare Inc (Mastercare Homecare & Healthcare)

• Nephrology Physician in Hilo, HI
• Providers in Hilo, HI by specialty
• Nephrology Physician in Hawaii

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.