Individual provider Active NPI

Mark L Stillwell, M.D.

  • Infectious Disease Physician
  • Fort Smith, AR
National Provider Identifier
1568459451
Registry record updated Oct 18, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
N7411 Issued in AR
Practice address
6801 Rogers Ave FL 5
Fort Smith, AR 72903-4067
Phone
(479) 274-4100
Fax
(479) 274-4199
NPI assigned
Oct 5, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 18, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X N7411 AR Primary

Addresses

Primary practice location

6801 Rogers Ave FL 5
Fort Smith, AR 72903-4067

Mailing address

PO Box 776084
Chicago, IL 60677-6084
Phone (479) 284-4100

Other practice location 1

2900 Medical Center Parkway
Suite 240A
Bentonville, AR 72712
Phone (479) 553-2121

Other identifiers 2

IdentifierTypeStateIssuer
114655001MedicaidAR
100123480AMedicaidAR

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040924000537 AR Practitioner - Infectious DiseasePractitioner - Internal Medicine 4082682265 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
University of Maryland School of Medicine, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic Fort Smith CommunitiesGroup PAC ID 3870668510, 361 clinicians

Practice addresses (Care Compare)

6801 Rogers Ave
FL 5
Fort Smith, AR 72903-4067
Phone (479) 274-4100

Hospital & facility affiliations

  • Mercy Hospital Fort Smith Hospital, Fort Smith, AR, CCN 040062
  • Sequoyah County-City of Sallisaw Hospital Authorit Hospital, Sallisaw, OK, CCN 370112

Merit-based Incentive Payment System (MIPS)

Final score
98.15 of 100Reported as apm
Quality
88.15
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
N7411ARMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Benton County Physician Services LLC CurrentSince Jun 22, 2009 Accepting new patients
Mercy Clinic Fort Smith Communities CurrentSince Oct 4, 2024 Accepting new patients
Mercy Clinic Fort Smith Communities CurrentSince Oct 4, 2024 Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

2900 Medical Center Pkwy
Ste 240A
Bentonville, AR 72712
Phone (479) 553-2215

2900 Medical Center Pkwy
Ste 240
Bentonville, AR 72712
Phone (479) 273-3374

101 Sun Meadow Dr
Centerton, AR 72719
Phone (479) 273-1426

2713 S 74th St
Ste 302
Fort Smith, AR 72903
Phone (479) 478-8555

7301 Rogers Ave
Fort Smith, AR 72903
Phone (479) 314-4600

6801 Rogers Ave
Fl 5
Fort Smith, AR 72903
Phone (479) 274-4100

7001 Rogers Ave
Ste 200
Fort Smith, AR 72903
Phone (479) 314-4620

6801 Rogers Ave
Ste 502
Fort Smith, AR 72903

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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": "1128470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1729209600000",
    "number": "1568459451",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776084",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776084",
            "telephone_number": "479-284-4100",
            "fax_number": "314-364-6321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6801 ROGERS AVE FL 5",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729034067",
            "telephone_number": "479-274-4100",
            "fax_number": "479-274-4199"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2900 Medical Center Parkway",
            "address_2": "Suite 240A",
            "address_purpose": "LOCATION",
            "city": "Bentonville",
            "state": "AR",
            "postal_code": "72712",
            "country_code": "US",
            "telephone_number": "479-553-2121",
            "fax_number": "479-553-2916",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STILLWELL",
        "first_name": "MARK",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-05",
        "last_updated": "2024-10-18",
        "certification_date": "2024-10-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "AR",
            "license": "N7411",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "114655001",
            "state": "AR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100123480A",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Smith, AR

Sources for this page

Verify at the official NPI Registry.