Ryan J. Grindstaff, MD, PHD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

04-33243 Issued in KS

Practice address

10500 Quivira Rd
Overland Park, KS 66215-2306

Phone

(816) 763-5446

Fax

(816) 763-8426

NPI assigned

Jan 4, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MO, KS2 enrollments

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 2

Specialty

Anesthesiology

Education

University of Missouri, Columbia School of Medicine, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Anesthesia Associates of Kansas City PAGroup PAC ID 1951206168, 214 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

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.

• Anesthesia Associates of Kansas City PA

  • Anesthesiology Physician
  • Overland Park, KS
  • NPI 1174504732

  MO

  Medicare reassignment Care Compare group NPD Authorized official

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

{
    "created_epoch": "1167868800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1477600351",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8717 W 110TH ST STE 600",
            "city": "OVERLAND PARK",
            "state": "KS",
            "postal_code": "662102126",
            "telephone_number": "913-428-2900",
            "fax_number": "913-428-2951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10500 QUIVIRA RD",
            "city": "OVERLAND PARK",
            "state": "KS",
            "postal_code": "662152306",
            "telephone_number": "816-763-5446",
            "fax_number": "816-763-8426"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRINDSTAFF",
        "first_name": "RYAN",
        "middle_name": "J.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-04",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MO",
            "license": "2008016210",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "KS",
            "license": "04-33243",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melinda E Griffin, DC
• Michael J Griffin, DC
• Aliyah Shanae Grigsby-Snow
• Jody A Grigsby, PT
• Nicole Yvonne Grimm, PTA
• Justin Arik Gripentrog, CCC-SLP
• Chris Grisafe-Pont
• John Grisham, M.D.
• Adam Grooms, M.D.
• Jamie Michelle Groover, RBT

• Anesthesiology Physician in Overland Park, KS
• Providers in Overland Park, KS by specialty
• Anesthesiology Physician in Kansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 2026; 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.