Delwyn Lee Lassen, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

21150 Issued in IA

Practice address

33 4TH St NW
Sioux Center, IA 51250-1870

Phone

(712) 722-1700

Fax

(712) 722-1770

NPI assigned

Dec 7, 2005

Last updated

Dec 15, 2020By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in IA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: delwyn.lassen.1@20239.direct.athenahealth.com

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.

• Greater Sioux Community Health Center Inc.

  dba Promise Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Sioux Center, IA
  • NPI 1053582098
  Medicare reassignment NPD
• Greater Sioux Community Health Center Inc.

  dba Promise CHC Sioux Center Intermediate School

  • Federally Qualified Health Center (FQHC)
  • Sioux Center, IA
  • NPI 1972398444
  NPD
• Siouxland Medical Education Foundation, Inc

  • Family Medicine Physician
  • Sioux City, IA
  • NPI 1336127828
  NPD

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

{
    "created_epoch": "1133913600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1607990400000",
    "number": "1558346015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "33 4TH ST NW",
            "city": "SIOUX CENTER",
            "state": "IA",
            "postal_code": "512501870",
            "telephone_number": "712-722-1700",
            "fax_number": "712-722-1770"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33 4TH ST NW",
            "city": "SIOUX CENTER",
            "state": "IA",
            "postal_code": "512501870",
            "telephone_number": "712-722-1700",
            "fax_number": "712-722-1770"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2501 Pierce St",
            "address_purpose": "LOCATION",
            "city": "Sioux City",
            "state": "IA",
            "postal_code": "511043725",
            "country_code": "US",
            "telephone_number": "712-294-5000",
            "fax_number": "712-294-5091",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LASSEN",
        "first_name": "DELWYN",
        "middle_name": "LEE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-07",
        "last_updated": "2020-12-15",
        "certification_date": "2020-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "21150",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1066548",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP NPI",
            "identifier": "1336127828",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Derek Lee Kosters, D.C.
• Steven C Kragt
• Kelly Kroese
• Trevor James Kuiper, D.D.S.
• Belinda Lassen, CNM
• Casie Leightner, MD
• Emily Leinen, ARNP PMHNP-BC FNP-BC
• Lifetime Vision, PLC
• Julie Ann McKay, MD
• Morgan Meissner, PA-C

• Family Medicine Physician in Sioux Center, IA
• Providers in Sioux Center, IA by specialty
• Family Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2020; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.