Individual provider Active NPI

Anthony Koo, MD

  • Anesthesiology Physician
  • Phoenix, AZ
National Provider Identifier
1982897146
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
46139 Issued in AZ
Practice address
1919 E Thomas Rd
Phoenix, AZ 85016-7710
Phone
(602) 933-1000
NPI assigned
Aug 21, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 46139 AZ Primary
Pediatric Anesthesiology Physician 207LP3000X 55599-20 WI
Pediatric Anesthesiology Physician 207LP3000X 46139 AZ

Addresses

Primary practice location

1919 E Thomas Rd
Phoenix, AZ 85016-7710

Mailing address

16658 N 108TH St
Scottsdale, AZ 85255-9070
Phone (847) 452-0793

Other practice location 1

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, AZ2 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

Enrollment IDStateProvider typePAC IDDetails
I20110810000279 WI Practitioner - AnesthesiologyPractitioner - Pediatric Medicine 1557530433 Reassigns benefits to 9 organizations
I20120814000241 AZ Practitioner - Anesthesiology 1557530433 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
AnesthesiologyAlso: Pediatric Medicine
Education
Rush Medical College of Rush University, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians
Phoenix Children'S HospitalGroup PAC ID 0446278584, 431 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

1919 E Thomas Rd
Phoenix, AZ 85016-7710
Phone (602) 933-0930

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
46139AZMDAnesthesiology Physician
55599-20WIMDPediatric Anesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Phoenix Children'S Medical Group CurrentSince Aug 31, 2015 Accepting new patients
Phoenix Children'S Hospital CurrentSince Aug 31, 2015 Accepting new patients
District Medical Group, Inc Current Accepting new patients
Memorial Hospital Inc CurrentSince Aug 12, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince Aug 12, 2024 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 12, 2024 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
District Medical Group, Inc CurrentSince Apr 1, 2022 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Aug 12, 2024 Accepting new patients
Marshfield Clinic Inc CurrentSince Aug 12, 2024 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Aug 12, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince Aug 12, 2024 Accepting new patients
MCHS Hospitals Inc Anesthesiology Current Accepting new patients
Flambeau Hospital Inc CurrentSince Aug 12, 2024 Accepting new patients
District Medical Group, Inc CurrentSince Apr 1, 2022 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 12, 2024 Accepting new patients
Flambeau Hospital Inc CurrentSince Aug 12, 2024 Accepting new patients
Memorial Hospital Inc CurrentSince Aug 12, 2024 Accepting new patients
Memorial Hospital Inc Past Accepting new patients

Locations

19007 N 67th Ave
Glendale, AZ 85308
Phone (602) 933-0777

1919 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 933-0777

2601 E Roosevelt St
Phoenix, AZ 85008
Phone (602) 220-0298

3141 N 3rd Ave
Phoenix, AZ 85013
Phone (602) 914-1520

2601 E Roosevelt St
Ste 0D10
Phoenix, AZ 85008

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1187654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1982897146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16658 N 108TH ST",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852559070",
            "telephone_number": "847-452-0793"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1919 E THOMAS RD",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850167710",
            "telephone_number": "602-933-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 N OAK AVE",
            "address_purpose": "LOCATION",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "country_code": "US",
            "telephone_number": "715-387-5511",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOO",
        "first_name": "ANTHONY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-21",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AZ",
            "license": "46139",
            "primary": true
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "WI",
            "license": "55599-20",
            "primary": false
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "AZ",
            "license": "46139",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

Verify at the official NPI Registry.