Individual provider Active NPI

Heather N. Longval, M.D.

  • Family Medicine Physician
  • Sioux City, IA
National Provider Identifier
1831147818
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
34717 Issued in IA
Practice address
4545 Sergeant Rd
Sioux City, IA 51106-4706
Phone
(712) 274-2400
Fax
(712) 274-1487
NPI assigned
May 4, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 34717 IA Primary

Addresses

Primary practice location

4545 Sergeant Rd
Sioux City, IA 51106-4706

Mailing address

200 Gold Cir Ste 120
Dakota Dunes, SD 57049-5501
Phone (605) 217-0700

Other identifiers 8

IdentifierTypeStateIssuer
02848OtherIAWELLMARK - SINGING HILLS
36972OtherIAWELLMARK - MIDTOWN
7711490MedicaidIA
10025306900MedicaidIA
1288142MedicaidIA
2288142MedicaidIA
42128384914MedicaidIA
7715660MedicaidIA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA, SD2 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
I20040727000421 IA Practitioner - Family Practice 7416927611 Reassigns benefits to 1 organization
I20191014003577 SD Practitioner - Family Practice 7416927611 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Sanford School of Medicine of University of South Dakota, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Family Health Care of Siouxland PLCGroup PAC ID 7315839412, 49 clinicians

Practice addresses (Care Compare)

4545 Sergeant Rd
Sioux City, IA 51106-4706
Phone (712) 274-2400

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions19

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
34717IAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Family Health Care of Siouxland PLC Family Medicine CurrentSince Sep 1, 2016 Accepting new patients
Family Health Care of Siouxland LLC Family Medicine PastSince Dec 7, 2025 Accepting new patients

Locations

4230 Hamilton Blvd
Sioux City, IA 51104
Phone (712) 239-4300

4545 Sergeant Rd
Sioux City, IA 51106
Phone (712) 274-2400

814 Pierce St
Ste 300
Sioux City, IA 51101
Phone (712) 226-2600

345 W Steamboat Dr
Ste 401
Dakota Dunes, SD 57049
Phone (605) 217-2195

200 Gold Cir
Ste 120
Dakota Dunes, SD 57049

Interoperability endpoints

  • Direct secure messaging: heatherlongval@fhcs.allscriptsdirect.net

Organizations & group practices 2

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.

Hospital & facility affiliations 7

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": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1831147818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 GOLD CIR STE 120",
            "city": "DAKOTA DUNES",
            "state": "SD",
            "postal_code": "570495501",
            "telephone_number": "605-217-0700",
            "fax_number": "605-217-0701"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4545 SERGEANT RD",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511064706",
            "telephone_number": "712-274-2400",
            "fax_number": "712-274-1487"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LONGVAL",
        "first_name": "HEATHER",
        "middle_name": "N.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "34717",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK - SINGING HILLS",
            "identifier": "02848",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK - MIDTOWN",
            "identifier": "36972",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7711490",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "10025306900",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1288142",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2288142",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "42128384914",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7715660",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux City, IA

Sources for this page

Verify at the official NPI Registry.