Doug Johnson

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

DDS-10255 Issued in IA

Practice address

801 Newton Rd
Iowa City, IA 52242-8004

Phone

(319) 335-7499

NPI assigned

Nov 16, 2014

Sex

Male

Sole proprietor

Yes

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 CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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.

• Sleep Innovations PLLC

  • Family Nurse Practitioner
  • Bettendorf, IA
  • NPI 1730893835
  NPD (past)
• State University of Iowa

  • Clinical Medical Laboratory
  • Coralville, IA
  • NPI 1851371561
  NPD (past)
• William M. Dorfman D.D.S.

  • Dental Clinic/Center
  • Los Angeles, CA
  • NPI 1386572030
  NPD (past)

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

{
    "created_epoch": "1416096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1639575855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2920 SILVER OAK TRL",
            "city": "MARION",
            "state": "IA",
            "postal_code": "523029225",
            "telephone_number": "319-360-8255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 NEWTON RD",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522428004",
            "telephone_number": "319-335-7499"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3290 Ridgeway Dr Ste 4",
            "address_purpose": "LOCATION",
            "city": "Coralville",
            "state": "IA",
            "postal_code": "522412023",
            "country_code": "US",
            "telephone_number": "319-626-2119",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4048 Glass Rd NE",
            "address_purpose": "LOCATION",
            "city": "Cedar Rapids",
            "state": "IA",
            "postal_code": "524022509",
            "country_code": "US",
            "telephone_number": "319-220-5906",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2882 AAA Ct",
            "address_purpose": "LOCATION",
            "city": "Bettendorf",
            "state": "IA",
            "postal_code": "527223406",
            "country_code": "US",
            "telephone_number": "563-341-7378",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "DOUG",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-11-16",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MN",
            "license": "D14139",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IA",
            "license": "DDS-10255",
            "primary": true
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "63908",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christine Elizabeth Johnson, RPH
• Christy Johnson
• Daniel Charles Johnson
• Darin Johnson, PHARM.D.
• David Paul Johnson, PH.D
• Emily Blaedel Johnson, LMSW
• Frances L Johnson, M.D.
• Georgia K Johnson, DDS
• Haley Johnson, WHNP-BC
• Jenna Catherine Johnson, MD

• General Practice Dentistry in Iowa City, IA
• Providers in Iowa City, IA by specialty
• General Practice Dentistry in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.