Individual provider Active NPI

Sima A. Nekoui, MD

  • Neurology Physician
  • Downey, CA
National Provider Identifier
1619044567
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
A62607 Issued in CA
Practice address
9449 Imperial Hwy # C281
Downey, CA 90242-2814
Phone
(562) 657-2281
NPI assigned
Nov 29, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X A62607 CA Primary

Addresses

Primary practice location

9449 Imperial Hwy # C281
Downey, CA 90242-2814

Mailing address

7309 Sharps Dr
Plano, TX 75025-3039
Phone (562) 756-9147

Other practice location 1

1200 College Dr
Rock Springs, WY 82901-5868
Phone (307) 362-3711

Other practice location 2

102 N Magdalen St
San Angelo, TX 76903-5400
Phone (325) 747-1511

Other practice location 3

1180 College Dr
Rock Springs, WY 82901-5863
Phone (307) 362-4200

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, WY, TX3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20101117000254 CA Practitioner - Neurology 5698960508 Reassigns benefits to 2 organizations
I20240618001832 WY Practitioner - Neurology 5698960508 Reassigns benefits to 1 organization
I20251102000072 TX Practitioner - Neurology 5698960508 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
University of Texas Medical Branch at Galveston, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Shannon ClinicGroup PAC ID 0840103727, 550 clinicians
Southern California Permanente Medical GroupGroup PAC ID 6002729175, shared by 4 NPIs, 11,250 clinicians

Practice addresses (Care Compare)

120 E Beauregard Ave
San Angelo, TX 76903-5919
Phone (325) 747-1511

9333 Rosecrans Ave
Bellflower, CA 90706-2141
Phone (562) 461-3000

9449 Imperial Hwy
Downey, CA 90242-2814
Phone (562) 461-3000

Hospital & facility affiliations

  • Shannon Medical Center Hospital, San Angelo, TX, CCN 450571

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Shannon Clinic CurrentSince Oct 1, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince May 20, 2017 Accepting new patients
Southern California Permanente Medical Group CurrentSince Nov 3, 2002 Accepting new patients
Memorial Hospital of Sweetwater County CurrentSince May 30, 2024 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Southern California Permanente Medical Group CurrentSince Nov 3, 2002 Accepting new patients
Memorial Hospital of Sweetwater County CurrentSince May 30, 2024 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients

Locations

3733 San Dimas St
Ste 101
Bakersfield, CA 93301
Phone (800) 353-5400

9333 Rosecrans Ave
Bellflower, CA 90706
Phone (562) 461-3340

9400 Rosecrans Ave
Bellflower, CA 90706
Phone (562) 461-6064

9333 Imperial Hwy
Downey, CA 90242
Phone (562) 657-8850

9449 Imperial Hwy
#C281
Downey, CA 90242
Phone (562) 657-2281

393 E Walnut St
Unit 3RD
Pasadena, CA 91188
Phone (626) 405-7914

4647 Zion Ave
San Diego, CA 92120
Phone (619) 528-3038

120 E Beauregard Ave
San Angelo, TX 76903
Phone (915) 658-1511

102 N Magdalen St
San Angelo, TX 76903
Phone (325) 655-2200

1200 College Dr
Rock Springs, WY 82901
Phone (307) 352-8352

1180 College Dr
Rock Springs, WY 82901
Phone (307) 352-8125

Organizations & group practices 8

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 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": "1164758400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1619044567",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7309 SHARPS DR",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750253039",
            "telephone_number": "562-756-9147"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9449 IMPERIAL HWY # C281",
            "city": "DOWNEY",
            "state": "CA",
            "postal_code": "902422814",
            "telephone_number": "562-657-2281"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1200 College Dr",
            "address_purpose": "LOCATION",
            "city": "Rock Springs",
            "state": "WY",
            "postal_code": "829015868",
            "country_code": "US",
            "telephone_number": "307-362-3711",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "102 N Magdalen St",
            "address_purpose": "LOCATION",
            "city": "San Angelo",
            "state": "TX",
            "postal_code": "769035400",
            "country_code": "US",
            "telephone_number": "325-747-1511",
            "fax_number": "325-747-2366",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1180 College Dr",
            "address_purpose": "LOCATION",
            "city": "Rock Springs",
            "state": "WY",
            "postal_code": "829015863",
            "country_code": "US",
            "telephone_number": "307-362-4200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NEKOUI",
        "first_name": "SIMA",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-29",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "A62607",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "9333 Imperial Hwy",
            "city": "Downey",
            "state": "CA",
            "country_code": "US",
            "postal_code": "902422812",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Downey, CA

Sources for this page

Verify at the official NPI Registry.