Physician Profile
Unclaimed ProfileAbout KOONE
Mark David Koone, MD practises dermatology in Sherman, TX. Mark is a 1982 graduate of Baylor College of Medicine.
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
Common questions
What does Dr. Koone specialise in?
Dr. Koone is a dermatology in Sherman, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DERMATOLOGY”.
NPI registry
Where is Dr. Koone located?
Dr. Koone is listed at 230 E SYCAMORE ST STE 305, Sherman, TX 75090. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Koone's phone number?
The number on file is (903) 771-4613. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Koone?
Dr. Koone's National Provider Identifier is 1720055833. 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
Where did Dr. Koone go to medical school?
Dr. Koone attended Baylor College of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Koone have?
Dr. Koone has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Koone do most often?
According to Medicare billing data, Dr. Koone performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Koone's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Koone. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (903) 771-4613
- Email not available
Practice Locations
230 E SYCAMORE ST STE 305
Sherman, TX 75090
Procedures Most Often Billed to Medicare
8,212 services · 3,357 patients · 22 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
4,497 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
1,029 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
458 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
274 |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
191 |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
77 |
| Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm | Procedure | 17281 |
57 |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
40 |
| Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm | Procedure | 17261 |
39 |
| Punch biopsy, first skin growth | Procedure | 11104 |
33 |
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.
Other dermatology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 24 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.