Mariana L.G. Cook-Huynh, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

M1970 Issued in GU

Practice address

744 N Marine Corps Dr Ste 121
Tamuning, GU 96913-4426

Phone

(671) 588-2394

NPI assigned

Apr 24, 2012

Last updated

Oct 12, 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in GU

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 PracticeAlso: Obstetrics/Gynecology

Education

Mayo Medical School, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Famalaoan Wellness CenterGroup PAC ID 4183151681, 2 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Famalaoan Wellness Center

  • Clinic/Center
  • Tamuning, GU
  • NPI 1881413771
  Medicare reassignment Care Compare group NPD
• Guam Healthcare Development Incorporated

  dba GRMC Specialty Care Center

  • Clinic/Center
  • Dededo, GU
  • NPI 1326447939
  Medicare reassignment NPD
• Guam Memorial Hospital

  • General Acute Care Hospital
  • Oka Tamuning, GU
  • NPI 1366519027
  Medicare reassignment NPD
• Annie U Bordallo, MD

  • Obstetrics & Gynecology Physician
  • Tamuning, GU
  • NPI 1518182187
  Medicare reassignment
• Guam Memorial Hospital

  • Skilled Nursing Facility
  • Oka Tamuning, GU
  • NPI 1952479131
  NPD

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

{
    "created_epoch": "1335225600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760227200000",
    "number": "1821356247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "744 N MARINE CORPS DR STE 121",
            "city": "TAMUNING",
            "state": "GU",
            "postal_code": "969134426",
            "telephone_number": "671-588-2394"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "744 N MARINE CORPS DR STE 121",
            "city": "TAMUNING",
            "state": "GU",
            "postal_code": "969134426",
            "telephone_number": "671-588-2394"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COOK-HUYNH",
        "first_name": "MARIANA",
        "middle_name": "L.G.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-04-24",
        "last_updated": "2025-10-12",
        "certification_date": "2025-10-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "GU",
            "license": "M1970",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dae-Eil Chong
• James Grant Christian, O.D.
• Sarah Lee Clegg, D.D.S
• Phyllis Eileen Collins, C.N.P.
• Angela J.P. Cooey, PA-C
• James Philip Cooper-Nurse, PHD, LMHC
• Kathryn May Cooper
• Stephanie Renee Copp, PHARMD
• Paul C. Coty, MD
• Hope A. Cristobal, PSY.D.

• Family Medicine Physician in Tamuning, GU
• Providers in Tamuning, GU by specialty
• Family Medicine Physician in Guam

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 12, 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.