Physician Profile
Unclaimed ProfileAbout STILLWELL
Mark L Stillwell, M.D. practices infectious disease in Fort Smith, AR. Mark is a 1982 graduate of University of Maryland School of Medicine. Medicare claims data shows Mark provided 126 services to 55 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (479) 274-4100
- Email not available
Practice Locations
6801 ROGERS AVE FL 5
Fort Smith, AR 72903
Procedures Most Often Billed to Medicare
126 services · 55 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
61 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
42 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1982 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Stillwell's specialty?
Dr. Stillwell is an infectious disease in Fort Smith, AR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INFECTIOUS DISEASE”.
NPI registry
Where can I find Dr. Stillwell?
Dr. Stillwell is listed at 6801 ROGERS AVE FL 5, Fort Smith, AR 72903. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Stillwell?
The number on file is (479) 274-4100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Stillwell?
Dr. Stillwell's National Provider Identifier is 1568459451. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Stillwell's medical education?
Dr. Stillwell attended University of Maryland School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Stillwell have?
Dr. Stillwell has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Stillwell known for?
According to Medicare billing data, Dr. Stillwell the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Stillwell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stillwell. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.