MARK L STILLWELL M.D.
NPI 1568459451
Internal Medicine - Infectious Disease in Fort Smith, AR

Active since October 05, 2005PECOS EnrolledAccepts Medicare Assignment
6801 ROGERS AVE FL 5, FORT SMITH, AR 72903(479) 274-4100(479) 274-4199 Get Directions Write a Review

NPPES record last updated: October 18, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mark L Stillwell M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK L STILLWELL M.D. (NPI 1568459451) is an individual infectious disease provider in Fort Smith, Arkansas, licensed in Arkansas (N7411) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bentonville, and is a graduate of University Of Maryland School Of Medicine (1982).

NPPES Registry Identity

NPI1568459451
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameMARK L STILLWELLCredential: M.D.
Location Address6801 ROGERS AVE FL 5Fort Smith, AR 72903-4067
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (479) 284-4100 · Fax (314) 364-6321
Fax(479) 274-4199
Sole ProprietorYes
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1982
Enumeration DateOctober 5, 2005
Last NPPES UpdateOctober 18, 2024
NPPES CertifiedOctober 18, 2024
NPI 1568459451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in AR · N7411
Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

6801 ROGERS AVE FL 5, Fort Smith, AR 72903

Secondary Practice Location 1

Location 12900 Medical Center Parkway, Suite 240ABentonville, AR 72712 · Phone (479) 553-2121 · Fax (479) 553-2916

Other Identifiers 2

Medicaid114655001AR
Medicaid100123480AAR

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark L Stillwell M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082682265
PECOS Enrollment IDI20040924000537
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
6801 ROGERS AVE FL 5
FORT SMITH, AR 72903
Nurse Practitioner (Family)
6801 ROGERS AVE FL 5
FORT SMITH, AR 72903
Internal Medicine
6801 ROGERS AVE FL 5
FORT SMITH, AR 72903
Nurse Practitioner
6801 ROGERS AVE FL 5
FORT SMITH, AR 72903
Dietitian, Registered
6801 ROGERS AVE FL 5
FORT SMITH, AR 72903
Optometrist
6801 ROGERS AVE FL 5
FORT SMITH, AR 72903

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1568459451, enumerated as an "individual" on October 05, 2005.

The provider is located at 6801 ROGERS AVE FL 5 FORT SMITH, AR 72903 and the phone number is (479) 274-4100.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

The provider might be accepting Accepts: Arkansas Blue Cross and Blue Shield, Health. Please consult your insurance carrier or call the provider to verify.