Individual provider Active NPI

Jacob Harder, MD

  • Internal Medicine Physician
  • Oklahoma City, OK
National Provider Identifier
1316730625
Registry record updated Jul 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
45715 Issued in OK
Practice address
800 Stanton L Young Blvd # 6300
Oklahoma City, OK 73104-5018
Phone
(405) 271-5963
NPI assigned
May 28, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 45715 OK Primary
Student in an Organized Health Care Education/Training Program 390200000X 45715 OK

Addresses

Primary practice location

800 Stanton L Young Blvd # 6300
Oklahoma City, OK 73104-5018

Mailing address

800 Stanton L Young Blvd # 6300
Oklahoma City, OK 73104-5018
Phone (405) 271-5963

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
45715OKMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Oklahoma Internal Medicine CurrentSince Jun 3, 2025 Accepting new patients

Locations

800 Stanton L Young Blvd
#6300
Oklahoma City, OK 73104
Phone (405) 271-5963

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1748390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1316730625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 STANTON L YOUNG BLVD # 6300",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045018",
            "telephone_number": "405-271-5963"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 STANTON L YOUNG BLVD # 6300",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045018",
            "telephone_number": "405-271-5963"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARDER",
        "first_name": "JACOB",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-05-28",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "45715",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "OK",
            "license": "45715",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oklahoma City, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.