NPIMap

Individual provider Active NPI

Hannah Mackenzie Easley, DO

  • Emergency Medicine Physician
  • Oklahoma City, OK
National Provider Identifier
1700469053
Registry record updated Jan 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
8048 Issued in OK
Practice address
4401 S Western Ave
Oklahoma City, OK 73109-3413
Phone
(405) 636-7000
NPI assigned
May 4, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 8048 OK Primary

Addresses

Primary practice location

4401 S Western Ave
Oklahoma City, OK 73109-3413

Mailing address

4200 S Douglas Ave Ste 306
Oklahoma City, OK 73109-3215
Phone (918) 688-1657

Other names 1

  • Ms. Hannah Mackenzie Easley Casper Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address hannah.casper@integrisok.com Direct Integris Health

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK, TX2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230717001941 OK Practitioner - Emergency Medicine 7416317870 Reassigns benefits to 5 organizations
I20241203001713 TX Practitioner - Emergency Medicine 7416317870 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Oklahoma State University College of Osteopathic Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Services of Oklahoma PCGroup PAC ID 8123209012, 63 clinicians
Creek Nation Hospital and ClinicsGroup PAC ID 5698786226, 364 clinicians
Emergency Physicians of Mid-America PCGroup PAC ID 2062638661, 86 clinicians

Practice addresses (Care Compare)

1001 E 18TH St
Grove, OK 74344-2907
Phone (918) 786-2243

1800 E Coplin St
Creek Nation Community Hospital
Okemah, OK 74859-4642
Phone (918) 623-1424

2401 W Wrangler Blvd
Seminole, OK 74868-1917
Phone (405) 303-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.91 of 100Reported as apm
Quality
76.55
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
70.05 of 100Reported as group
Quality
52.07
Promoting interoperability
100
Improvement activities
40
Cost
48.1

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
8048OKMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
South Central Emergency Services PC Emergency Medicine CurrentSince Aug 1, 2023 Accepting new patients
Creek Nation Hospital & Clinics Current Accepting new patients
Chickasaw Nation Division of Health CurrentSince Nov 18, 2024 Accepting new patients
Farmers Union Hospital Association CurrentSince Dec 28, 2023 Accepting new patients
Creek Nation Hospital & Clinics CurrentSince Sep 19, 2025 Accepting new patients
Emergency Physicians of Mid-America, P.C. Emergency Medicine CurrentSince Jul 1, 2023 Accepting new patients
Emergency Services of Oklahoma PC Emergency Medicine CurrentSince Aug 20, 2024 Accepting new patients
Chickasaw Nation Division of Health Chickasaw Nation Medical Center CurrentSince Nov 18, 2024 Accepting new patients
Creek Nation Hospital & Clinics Current Accepting new patients
Chickasaw Nation Division of Health Current Accepting new patients
Creek Nation Hospital & Clinics CurrentSince Sep 19, 2025 Accepting new patients
Farmers Union Hospital Association CurrentSince Dec 28, 2023 Accepting new patients
Ies ER Oklahoma LLC Emergency Medicine CurrentSince Oct 1, 2025 Accepting new patients
Chickasaw Nation Division of Health Past Accepting new patients
SSM Health Care of Oklahoma, Inc. Past Accepting new patients
Integris Miami Hospital Past Accepting new patients

Locations

1921 Stonecipher Dr
Ada, OK 74820
Phone (580) 421-4570

2510 Chickasaw Blvd
Ardmore, OK 73401
Phone (580) 226-8181

1027 E Cherry St
Cushing, OK 74023
Phone (918) 225-2915

1800 W 1st St
Ste 3
Elk City, OK 73644
Phone (580) 225-4699

1801 W 3rd St
Elk City, OK 73644
Phone 5802255403677

200 2nd Ave SW
Miami, OK 74354
Phone (918) 540-7113

1800 E Coplin St
Okemah, OK 74859
Phone (918) 623-1424

4050 W Memorial Rd
Oklahoma City, OK 73120
Phone (405) 608-3200

4401 S Western Ave
Oklahoma City, OK 73109
Phone (405) 636-7000

900 E Airport Rd
Okmulgee, OK 74447
Phone 91875643334448

1401 Morris Dr
Okmulgee, OK 74447
Phone (918) 456-0641

1438 Hardcastle Blvd
Purcell, OK 73080
Phone (405) 527-4700

1500 N Green Ave
Purcell, OK 73080
Phone (405) 527-2250

2401 W Wrangler Blvd
Seminole, OK 74868
Phone (405) 303-4000

1102 W MacArthur St
Shawnee, OK 74804
Phone (405) 273-2270

1323 W 6th Ave
Stillwater, OK 74074
Phone (405) 372-1480

817 E 6th St
Tishomingo, OK 73460
Phone (580) 371-2392

10501 E 91st St
Tulsa, OK 74133
Phone (918) 307-6000

Dept 1467
Tulsa, OK 74182

10109 E 79th St
Tulsa, OK 74133
Phone (888) 552-6760

Interoperability endpoints

  • Direct secure messaging: hcasper455082@direct-ehr-ssmhc.com
  • Direct secure messaging: heasley28564@direct.chickasawnationhealth.net

Organizations & group practices 16

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.

View all 16

Hospital & facility affiliations 9

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

NPI Registry JSON

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

{
    "created_epoch": "1620086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738108800000",
    "number": "1700469053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4200 S DOUGLAS AVE STE 306",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731093215",
            "telephone_number": "918-688-1657"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4401 S WESTERN AVE",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731093413",
            "telephone_number": "405-636-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EASLEY",
        "first_name": "HANNAH",
        "middle_name": "MACKENZIE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-04",
        "last_updated": "2025-01-29",
        "certification_date": "2025-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OK",
            "license": "8048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hannah.casper@integrisok.com",
            "affiliation": "Y",
            "endpointDescription": "Email",
            "affiliationName": "Integris Health",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4401 S Western Ave",
            "city": "Oklahoma City",
            "state": "OK",
            "country_code": "US",
            "postal_code": "731093413",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "HANNAH",
            "last_name": "EASLEY CASPER",
            "middle_name": "MACKENZIE",
            "prefix": "MS.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oklahoma City, OK

Sources for this page

Verify at the official NPI Registry.