NPIMap

Individual provider Active NPI

Casie Michelle Grass, PA-C

  • Medical Physician Assistant
  • Springfield, MO
National Provider Identifier
1790662583
Registry record updated Mar 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
License
2025034488 Issued in MO
Practice address
1235 E Cherokee St
Springfield, MO 65804-2203
Phone
(417) 820-3911
NPI assigned
Aug 21, 2025
Last updated
Mar 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Physician Assistant 363AM0700X 2025034488 MO Primary

Addresses

Primary practice location

1235 E Cherokee St
Springfield, MO 65804-2203

Mailing address

PO Box 7411626
Chicago, IL 60674-5626

Other practice location 1

3800 S National Ave Ste 510
Springfield, MO 65807-5284
Phone (000) 000-0000

Other practice location 2

525 Branson Landing Blvd Ste 306
Branson, MO 65616-2140
Phone (000) 000-0000

Other names 1

  • Michelle Grass Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251010002148 MO Practitioner - Physician Assistant 6002313327 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic Springfield CommunitiesGroup PAC ID 7416865845, shared by 26 NPIs, 1,121 clinicians
Lester E Cox Medical CentersGroup PAC ID 1254248917, 336 clinicians

Practice addresses (Care Compare)

1235 E Cherokee St
Springfield, MO 65804-2203

2055 S Fremont Ave
Springfield, MO 65804-2206

2115 S Fremont Ave
3050 MC Infectious Disease Whiteside
Springfield, MO 65804-2236
Phone (417) 820-3905

2115 S Fremont Ave
3100 MC Lab and Imaging Services Whiteside
Springfield, MO 65804-2205
Phone (417) 820-3738

3045 S National Ave
Springfield, MO 65804-4268

3231 S National Ave
Springfield, MO 65807-7304

3800 S National Ave
Suite 400
Springfield, MO 65807-5272
Phone (417) 875-3000

525 Branson Landing Blvd
Branson, MO 65616-2052

525 Branson Landing Blvd
Suite 508
Branson, MO 65616-2131
Phone (417) 335-7540

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
2025034488MOMDMedical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic Springfield Communities CurrentSince Aug 25, 2025 Accepting new patients
Mercy Clinic Springfield Communities CurrentSince Aug 25, 2025 Accepting new patients
Mercy Clinic Springfield Communities CurrentSince Aug 25, 2025 Accepting new patients

Locations

1605 Martin Springs Dr
Rolla, MO 65401
Phone (573) 458-6379

1235 E Cherokee St
Springfield, MO 65804
Phone (417) 820-2115

2115 S Fremont Ave
Ste 3050
Springfield, MO 65804
Phone (417) 820-3905

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 16

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1755734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1790662583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7411626",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606745626"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1235 E CHEROKEE ST",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658042203",
            "telephone_number": "417-820-3911"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3800 S National Ave Ste 510",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MO",
            "postal_code": "658075284",
            "country_code": "US",
            "telephone_number": "000-000-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "525 Branson Landing Blvd Ste 306",
            "address_purpose": "LOCATION",
            "city": "Branson",
            "state": "MO",
            "postal_code": "656162140",
            "country_code": "US",
            "telephone_number": "000-000-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRASS",
        "first_name": "CASIE",
        "middle_name": "MICHELLE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-21",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MO",
            "license": "2025034488",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MICHELLE",
            "last_name": "GRASS",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Springfield, MO

Sources for this page

Verify at the official NPI Registry.