Dena Z Olwan, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

00703 Issued in IA

Practice address

401 Douglas Street
Suite 504
Sioux City, IA 51104-1471

Phone

(712) 258-1000

Fax

(712) 252-1100

NPI assigned

Dec 2, 2005

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IA

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1992

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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.

• James V Snowden, PH D

  • Psychologist
  • Sioux City, IA
  • NPI 1104800150
  Medicare reassignment
• C3, Inc

  • Nutrition Chiropractor
  • Sioux City, IA
  • NPI 1982896353
  NPD (past)

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

{
    "created_epoch": "1133481600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1627776000000",
    "number": "1588648596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 DOUGLAS ST STE 504",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011471",
            "telephone_number": "712-258-1000",
            "fax_number": "712-252-1100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 DOUGLAS STREET",
            "address_2": "SUITE 504",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511041471",
            "telephone_number": "712-258-1000",
            "fax_number": "712-252-1100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLWAN",
        "first_name": "DENA",
        "middle_name": "Z",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2005-12-02",
        "last_updated": "2021-08-01",
        "certification_date": "2021-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IA",
            "license": "00703",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "IA",
            "license": "00703",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2157180",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Albert Okine, PA-C., M.S.P.A.S.
• Alisa M Olson, D.O.
• Gregory T Olson, D.O.
• Zackery Olson, DPT
• Nicholas Xavier Olund, PHARMD
• Diana C Opara, RN
• Opco 19TH St. Sioux City, Ia, LLC
• Opco Sioux City, Ia, LLC
• Open Arms Psychological Services, LLC
• Opportunities Unlimited

• Psychologist in Sioux City, IA
• Providers in Sioux City, IA by specialty
• Psychologist in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2021; 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.