NPIMap

Individual provider Active NPI

Kevin L Oltmanns, M.D.

  • Internal Medicine Physician
  • Stillwater, OK
National Provider Identifier
1316926728
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
16583 Issued in OK
Practice address
1815 W 6TH Ave
Stillwater, OK 74074-4202
Phone
(405) 743-7300
Fax
(405) 743-7290
NPI assigned
Jan 13, 2006
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 16583 OK Primary

Addresses

Primary practice location

1815 W 6TH Ave
Stillwater, OK 74074-4202

Mailing address

6600 S Yale Ave
Ste 1400
Tulsa, OK 74136-3310
Phone (918) 488-6001

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
I20061018000688 OK Practitioner - Internal Medicine 5395741177 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Oklahoma College of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1815 W 6TH Ave
Stillwater Med C Clinic W
Stillwater, OK 74074-2402
Phone (405) 743-7300

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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
16583OKMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stillwater Medical Center Authority CurrentSince Jul 1, 2013 Accepting new patients
Stillwater Medical Center Authority Internal Medicine CurrentSince Jul 1, 2013 Accepting new patients
Stillwater Medical Center Authority Past Accepting new patients
Stillwater Medical Center Physicians Internal Medicine Past Accepting new patients
Summit Medical Center Past Accepting new patients

Locations

417 Fairview Ave
Ponca City, OK 74601
Phone (580) 762-3770

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

1815 W 6th Ave
Stillwater, OK 74074
Phone (405) 743-7300

Interoperability endpoints

  • Direct secure messaging: kevin.oltmanns.p1@direct.smc.nextgenshare.com

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 8

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": "1137110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1316926728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6600 S YALE AVE",
            "address_2": "STE 1400",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741363310",
            "telephone_number": "918-488-6001",
            "fax_number": "918-488-6010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1815 W 6TH AVE",
            "city": "STILLWATER",
            "state": "OK",
            "postal_code": "740744202",
            "telephone_number": "405-743-7300",
            "fax_number": "405-743-7290"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLTMANNS",
        "first_name": "KEVIN",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-13",
        "last_updated": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "16583",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stillwater, OK

Sources for this page

Verify at the official NPI Registry.