Justin T. Kastl, M.D.

Primary specialty

Pediatric Nephrology PhysicianTaxonomy code 2080P0210X

License

8921 Issued in SD

Practice address

1600 W 22ND St
Sioux Falls, SD 57105-1521

Phone

(605) 312-1000

Fax

(605) 312-1001

NPI assigned

May 21, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in SD

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

Merit-based Incentive Payment System (MIPS)

Final score

85.71 of 100Reported as group

Quality

85.75

Improvement activities

40

Cost

78.48

Merit-based Incentive Payment System (MIPS)

Final score

84.78 of 100Reported as group

Quality

78.77

Promoting interoperability

100

Improvement activities

40

Cost

70.49

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Sanford Clinic

  • Psychologist
  • Sioux Falls, SD
  • NPI 1396764254
  Medicare reassignment NPD
• Sanford Medical Center

  • Family Medicine Physician
  • Sioux Falls, SD
  • NPI 1093090342
  Medicare reassignment NPD
• Sanford Clinic

  • Nephrology Physician
  • Sioux Falls, SD
  • NPI 1295848521
  NPD
• Sanford Clinic

  • Cardiovascular Disease Physician
  • Sioux Falls, SD
  • NPI 1144259052
  NPD (past)

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

{
    "created_epoch": "1179705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747872000000",
    "number": "1588873335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074",
            "telephone_number": "605-328-6585",
            "fax_number": "605-328-6512"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 W 22ND ST",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571051521",
            "telephone_number": "605-312-1000",
            "fax_number": "605-312-1001"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KASTL",
        "first_name": "JUSTIN",
        "middle_name": "T.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-21",
        "last_updated": "2025-05-22",
        "certification_date": "2025-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IA",
            "license": "R-7820",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "SD",
            "license": "8921",
            "primary": false
        },
        {
            "code": "2080P0210X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Nephrology",
            "state": "SD",
            "license": "8921",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gary Kashale, LPC
• Ramesh Kumar Kashyap, M.D
• Ruth A Kaspar, MSW, CSW-PIP
• Kassube & Lankford Midwest Periodontics, Prof. LLC
• Thomas L. Kassube, DDS
• Peter P Kasznica, M.D.
• Kathryn Bates Counseling LLC
• Katie Reardon DDS, PC
• Joshua Austin Katz, CNP
• David William Kauffman, PH.D

• Pediatric Nephrology Physician in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• Pediatric Nephrology Physician in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 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.