Individual provider Active NPI

Christina Viola Darby, M.D.

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Anchorage, AK
National Provider Identifier
1225348592
Registry record updated Mar 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084S0012X
License
108257 Issued in AK
Practice address
3900 Ambassador Dr
Anchorage, AK 99508-5922
Phone
(907) 563-2662
NPI assigned
Oct 20, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 6, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X MD 60222547 WA
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X 108257 AK Primary
Neurology Physician 2084N0400X MD 60222547 WA

Addresses

Primary practice location

3900 Ambassador Dr
Anchorage, AK 99508-5922

Mailing address

3900 Ambassador Drive
Alaska Native Medical Center Sleep Medicine Clinic
Anchorage, AK 99508

Other identifiers 3

IdentifierTypeStateIssuer
TEZM14RALMedicaidAK
1225348592MedicaidWA
MD9703WMedicaidAK

Other names 1

  • Dr. Christina Viola Anagick Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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

Enrollment IDStateProvider typePAC IDDetails
I20160513000010 TX Practitioner - NeurologyPractitioner - Other (Physician) 0941470710 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
University of Washington School of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Alaska Native Tribal Health ConsortiumGroup PAC ID 6709780265, 605 clinicians

Practice addresses (Care Compare)

3900 Ambassador Dr
Anchorage, AK 99508-5922
Phone (907) 563-2662

3976 University Lake Dr
Suite 100
Anchorage, AK 99508-4644
Phone (907) 563-2662

4315 Diplomacy Dr
Anchorage, AK 99508-5926
Phone (907) 563-2662

4320 Diplomacy Dr
Anchorage, AK 99508-5925
Phone (907) 265-4955

4441 Diplomacy Dr
Anchorage, AK 99508-5910
Phone (907) 563-2662

Hospital & facility affiliations

  • Alaska Native Medical Center Hospital, Anchorage, AK, CCN 020026

Merit-based Incentive Payment System (MIPS)

Final score
90.93 of 100Reported as group
Quality
70.1
Promoting interoperability
100
Improvement activities
40
Cost
83.01

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD 60222547WAMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alaska Native Tribal Health Consortium CurrentSince Apr 20, 2016 Accepting new patients

Locations

3900 Ambassador Dr
Anchorage, AK 99508
Phone (907) 729-1500

4315 Diplomacy Dr
Anchorage, AK 99508
Phone (907) 729-1729

Interoperability endpoints

  • Direct secure messaging: cvdarby@direct.anthc.org
  • Direct secure messaging: christina.darby@direct.vmmc.org

Organizations & group practices 1

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

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1287532800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772755200000",
    "number": "1225348592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3900 AMBASSADOR DRIVE",
            "address_2": "ALASKA NATIVE MEDICAL CENTER SLEEP MEDICINE CLINIC",
            "city": "ANCHORAGE",
            "state": "AK",
            "postal_code": "99508"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3900 AMBASSADOR DR",
            "city": "ANCHORAGE",
            "state": "AK",
            "postal_code": "995085922",
            "telephone_number": "907-563-2662"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DARBY",
        "first_name": "CHRISTINA",
        "middle_name": "VIOLA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-10-20",
        "last_updated": "2026-03-06",
        "certification_date": "2026-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "WA",
            "license": "MD 60222547",
            "primary": false
        },
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "AK",
            "license": "108257",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WA",
            "license": "MD 60222547",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "TEZM14RAL",
            "state": "AK"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1225348592",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "MD9703W",
            "state": "AK"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTINA",
            "last_name": "ANAGICK",
            "middle_name": "VIOLA",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Anchorage, AK

Sources for this page

Verify at the official NPI Registry.