Nash Allen Kawela Witten, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD-20991 Issued in HI

Practice address

66-125 Kamehameha Hwy
Haleiwa, HI 96712-1601

Phone

(808) 637-5087

Fax

(808) 637-4765

NPI assigned

May 1, 2017

Last updated

Feb 7, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in HI

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 1

Specialty

Family Practice

Education

University of Hawaii John a. Burns School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Queens University Medical GroupGroup PAC ID 2466831557, 614 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bayada Home Health Care Home health agency, Honolulu, HI, CCN 127310
• Bristol Hospice - Hawaii, LLC Hospice, Honolulu, HI, CCN 121508
• The Queens Medical Center Hospital, Honolulu, HI, CCN 120001

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nash.witten.p1@direct.wcchc.nextgenshare.com
• Direct secure messaging: nash.witten@hawaiihie.medicity.net

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.

• Queens University Medical Group

  • Multi-Specialty Clinic/Center
  • Honolulu, HI
  • NPI 1891441382
  Medicare reassignment Care Compare group NPD
• The Queen's Medical Center

  • General Acute Care Hospital
  • Honolulu, HI
  • NPI 1487693586
  Medicare reassignment NPD
• Waianae District Comprehensive Health and Hospital Board, Inc

  dba Waianae Coast Comprehensive Health Center

  • Family Medicine Physician
  • Waianae, HI
  • NPI 1275566424
  Medicare reassignment NPD
• The Queen's Medical Center

  dba Queen's Health Care Centers

  • Health Service Clinic/Center
  • Honolulu, HI
  • NPI 1336761311
  NPD
• The Queen's Medical Center

  • General Acute Care Hospital
  • Honolulu, HI
  • NPI 1861637860
  NPD
• The Queens Medical Center

  • General Acute Care Hospital
  • Honolulu, HI
  • NPI 1184612764
  NPD
• Waianae District Comprehensive Health and Hospital Board, Incorporated

  dba Waianae Intermediate School School-Based Health Center

  • Clinic/Center
  • Waianae, HI
  • NPI 1649747510
  NPD
• Waianae District Comprehensive Health and Hospital Board, Incorporated

  dba Waianae Elementary School

  • Federally Qualified Health Center (FQHC)
  • Waianae, HI
  • NPI 1710709365
  NPD

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

• B. C. P., Inc.

  dba BAYADA Home Health Care, Inc.

  • Home Health Agency
  • Honolulu, HI
  • NPI 1306105176
  Care Compare affiliation
• B.C.P., Inc.

  dba BAYADA Home Health Care

  • Home Health Agency
  • Honolulu, HI
  • NPI 1225478605
  Care Compare affiliation
• Bristol Hospice - Hawaii, LLC

  dba Bristol Healthcare Services

  • Community Based Hospice Care Agency
  • Honolulu, HI
  • NPI 1811045594
  Care Compare affiliation
• The Queens Medical Center

  • General Acute Care Hospital
  • Honolulu, HI
  • NPI 1184612764
  Care Compare affiliation

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

{
    "created_epoch": "1493596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770422400000",
    "number": "1790211431",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "66-125 KAMEHAMEHA HWY",
            "city": "HALEIWA",
            "state": "HI",
            "postal_code": "967121601",
            "telephone_number": "808-691-8501",
            "fax_number": "808-637-4765"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "66-125 KAMEHAMEHA HWY",
            "city": "HALEIWA",
            "state": "HI",
            "postal_code": "967121601",
            "telephone_number": "808-637-5087",
            "fax_number": "808-637-4765"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WITTEN",
        "first_name": "NASH",
        "middle_name": "ALLEN KAWELA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-01",
        "last_updated": "2026-02-07",
        "certification_date": "2026-02-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "HI",
            "license": "MD-20991",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fantasia Walker-Palmer
• Kimberli Watson
• Tiffany Wickliffe
• Ashley Nicole Winslow, LMHC
• Amanda L Witko, MPT
• Ximena E Wunderlich, LMT

• Family Medicine Physician in Haleiwa, HI
• Providers in Haleiwa, HI by specialty
• Family Medicine Physician in Hawaii

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 7, 2026; 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.