Individual provider Active NPI

Teddy Si Youn, M.D.

  • Neurology Physician
  • Phoenix, AZ
National Provider Identifier
1912137985
Registry record updated Nov 4, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
58461 Issued in AZ
Practice address
240 W Thomas Rd # 400
Phoenix, AZ 85013-4407
Phone
(602) 406-6262
Fax
(602) 406-6261
NPI assigned
Jul 23, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 4, 2019

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X ML60093624 WA
Neurology Physician 2084N0400X ME130279 FL
Neurology Physician 2084N0400X 58461 AZ Primary

Addresses

Primary practice location

240 W Thomas Rd # 400
Phoenix, AZ 85013-4407

Mailing address

240 W Thomas Rd # 400
Phoenix, AZ 85013-4407
Phone (602) 406-6262

Other practice location 1

1329 SW 16th St
Gainesville, FL 32610
Phone (352) 273-5607

Other identifiers 1

IdentifierTypeStateIssuer
019236100MedicaidFL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, GA, AZ, CA4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20200218000315 TX Practitioner - Neurology 7810279056 Reassigns benefits to 1 organization
I20200224002964 GA Practitioner - Neurology 7810279056 Reassigns benefits to 1 organization
I20211018001392 AZ Practitioner - Internal Medicine 7810279056 Reassigns benefits to 1 organization
I20260113004082 CA Practitioner - Neurology 7810279056 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Yale University School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Link Neuroscience Institute PCGroup PAC ID 7214435965, 16 clinicians
Arizona Acute Medical Services 1 PCGroup PAC ID 6204113970, 49 clinicians

Practice addresses (Care Compare)

1901 Outlet Ctr Dr
Suite 210
Oxnard, CA 93036-0666
Phone (805) 983-0425

2000 W Bethany Home Rd
Phoenix, AZ 85015-2443
Phone (602) 246-5681

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
ML60093624WAMDInternal Medicine Physician
ME130279FLMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Link Neuroscience Institute PC Neurology CurrentSince Jan 1, 2026 Accepting new patients
Pih Health Physicians CurrentSince Jan 29, 2026 Accepting new patients
Arizona Acute Medical Services 1 PC Hospitalist CurrentSince Aug 1, 2021 Accepting new patients
San Carlos Apache Healthcare Corporation CurrentSince Jan 24, 2020 Accepting new patients
San Carlos Apache Healthcare Corporation CurrentSince Jan 24, 2020 Accepting new patients
Wellstar Medical Group, LLC Current Accepting new patients
Wellstar Medical Group, LLC CurrentSince Jan 1, 2020 Accepting new patients
Pih Health Physicians CurrentSince Jan 29, 2026 Accepting new patients
Dignity Health Past Accepting new patients
Arizona Post-Acute Medical Services 1 PC Hospitalist Past Accepting new patients
VHS of Arrowhead, Inc Past Accepting new patients

Locations

103 Medicine Way Rd
Peridot, AZ 85542
Phone (928) 475-1200

2000 W Bethany Home Rd
Phoenix, AZ 85015
Phone (480) 209-4000

3929 E Bell Rd
Phoenix, AZ 85032
Phone (602) 923-5000

12675 La Mirada Blvd
Ste 201401
La Mirada, CA 90638
Phone (562) 903-7339

18350 Roscoe Blvd
Ste 706
Northridge, CA 91325
Phone (805) 983-0425

1901 Outlet Center Dr
Ste 210
Oxnard, CA 93036
Phone (805) 485-3800

2323 De la Vina St
Ste 205
Santa Barbara, CA 93105
Phone (805) 983-0425

5150 Stilesboro Rd NW
Ste 220
Kennesaw, GA 30152
Phone (770) 424-8222

805 Sandy Plains Rd
Marietta, GA 30066
Phone (770) 792-1616

Organizations & group practices 12

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 3

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": "1248307200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1572825600000",
    "number": "1912137985",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "240 W THOMAS RD # 400",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134407",
            "telephone_number": "602-406-6262",
            "fax_number": "602-406-6261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "240 W THOMAS RD # 400",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134407",
            "telephone_number": "602-406-6262",
            "fax_number": "602-406-6261"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1329 SW 16th St",
            "address_purpose": "LOCATION",
            "city": "Gainesville",
            "state": "FL",
            "postal_code": "32610",
            "country_code": "US",
            "telephone_number": "352-273-5607",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOUN",
        "first_name": "TEDDY",
        "middle_name": "SI",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-07-23",
        "last_updated": "2019-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "ML60093624",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "FL",
            "license": "ME130279",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "AZ",
            "license": "58461",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "019236100",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

Verify at the official NPI Registry.