NPIMap

Individual provider Active NPI

Aaron Scott Sizelove, D.O.

  • Family Medicine Physician
  • Buffalo, OK
National Provider Identifier
1053547950
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
4958 Issued in OK
Practice address
1003 US Highway 64
Buffalo, OK 73834
Phone
(580) 735-2555
Fax
(580) 735-2574
NPI assigned
Jun 5, 2009
Last updated
Sep 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 4958 OK Primary

Addresses

Primary practice location

1003 US Highway 64
Buffalo, OK 73834

Mailing address

1003 US Highway 64
Buffalo, OK 73834-8912
Phone (580) 735-2555

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other
Direct Messaging Address asizelove168684@direct-ehr-ssmhc.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK
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
I20120612000659 OK Practitioner - Family Practice 7618131160 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Oklahoma State University College of Osteopathic Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

610 N Hoy
B Pob 600
Buffalo, OK 73834-0600
Phone (580) 735-2911

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4958OKMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Beaver County Memorial Hospital CurrentSince Jul 1, 2020 Accepting new patients
Harper County Community Hospital CurrentSince Jun 1, 2016 Accepting new patients
Beaver County Memorial Hospital Current Accepting new patients
Harper County Community Hospital CurrentSince Jun 1, 2016 Accepting new patients
Beaver County Memorial Hospital CurrentSince Jul 1, 2020 Accepting new patients
Harper County Community Hospital CurrentSince Jun 1, 2016 Accepting new patients
Summit Medical Center Past Accepting new patients
Integris Health Woodward Hospital Inc Past Accepting new patients
Integris Rural Health Inc. Family Medicine Past Accepting new patients

Locations

212 E 8th St
Beaver, OK 73932
Phone (580) 625-3646

718 Avenue A
Beaver, OK 73932
Phone (580) 625-3477

1003 US Highway 64
Buffalo, OK 73834
Phone (580) 735-2555

610 N Hoy St
Ste B
Buffalo, OK 73834
Phone (580) 735-2911

Interoperability endpoints

  • Direct secure messaging: asizelove168684@direct-ehr-ssmhc.com

Organizations & group practices 9

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 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": "1244160000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1053547950",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1003 US HIGHWAY 64",
            "city": "BUFFALO",
            "state": "OK",
            "postal_code": "738348912",
            "telephone_number": "580-735-2555",
            "fax_number": "580-735-2574"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1003 US HIGHWAY 64",
            "city": "BUFFALO",
            "state": "OK",
            "postal_code": "73834",
            "telephone_number": "580-735-2555",
            "fax_number": "580-735-2574"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIZELOVE",
        "first_name": "AARON",
        "middle_name": "SCOTT",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-06-05",
        "last_updated": "2026-09-21",
        "certification_date": "2020-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OK",
            "license": "4958",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1003 US Highway 64",
            "city": "Buffalo",
            "state": "OK",
            "country_code": "US",
            "postal_code": "738348912",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "asizelove168684@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "asizelove168684@direct-ehr-ssmhc.com",
            "address_1": "1003 US Highway 64",
            "city": "Buffalo",
            "state": "OK",
            "country_code": "US",
            "postal_code": "738348912",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Buffalo, OK

Sources for this page

Verify at the official NPI Registry.