Marc Ryan Obbink, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

06828 Issued in IA

Practice address

4716 Morningside Ave
Sioux City, IA 51106-3020

Phone

(712) 276-0712

Fax

(712) 276-0718

NPI assigned

May 19, 2006

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 1

Medicare fee-for-service enrollment

Enrolled in IA

Enrollment records 1

Specialty

Chiropractic

Education

Cleveland Chiropractic College - Kansas City, 2005

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Manley & Obbink Chiropractic and Acupuncture LLP

  • Chiropractor
  • Sioux City, IA
  • NPI 1679661698
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1437103140",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4716 MORNINGSIDE AVE",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511063020",
            "telephone_number": "712-276-0712",
            "fax_number": "712-276-0718"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4716 MORNINGSIDE AVE",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511063020",
            "telephone_number": "712-276-0712",
            "fax_number": "712-276-0718"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBBINK",
        "first_name": "MARC",
        "middle_name": "RYAN",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "IA",
            "license": "06828",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0472175",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Brenda T Nyatanga, MD
• Morgan Marie O'Hern
• Jeffrey D O'Tool, M.D.
• Oakleaf Property Management
• Obbink Chiropractic
• Teresa Oberg, RN
• Emily Oberle, DO
• Sara Oelke, DPM
• James Dean Oggel, MD
• Olusola Ogundipe, MD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.