Karrisa Ann Grellner, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

2010019758 Issued in MO

Practice address

One Hospital Drive
Dc018.00
Columbia, MO 65212

Phone

(573) 882-8006

Fax

(573) 884-5396

NPI assigned

Jul 1, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Feb 17, 2026 through Feb 17, 2028

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

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.

• University of Missouri - Columbia

  • General Acute Care Hospital
  • Columbia, MO
  • NPI 1285920504
  NPD (past)

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

{
    "created_epoch": "1277942400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1277942400000",
    "number": "1851602106",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ONE HOSPITAL DRIVE",
            "address_2": "DC018.00",
            "city": "COLUMBIA",
            "state": "MO",
            "postal_code": "65212",
            "telephone_number": "573-882-8885",
            "fax_number": "573-884-4808"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ONE HOSPITAL DRIVE",
            "address_2": "DC018.00",
            "city": "COLUMBIA",
            "state": "MO",
            "postal_code": "65212",
            "telephone_number": "573-882-8006",
            "fax_number": "573-884-5396"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRELLNER",
        "first_name": "KARRISA",
        "middle_name": "ANN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-07-01",
        "last_updated": "2010-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MO",
            "license": "2010019758",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brian Greer, PHARMD
• Gregory D. Stevens, D.D.S., LLC
• Cheryl Ann Gregory, RPH
• Dennis D Gregory, D.C.
• Benjamin Greiner, DO
• McKensie Gress
• Steven Dan Gresswell, M.D.
• Eric Grider, CRNA
• Erika L Griesemer, PHARM.D.
• Cynthia Bernice Griffith, AUD

• Psychiatry Physician in Columbia, MO
• Providers in Columbia, MO by specialty
• Psychiatry Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2010; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.