Dr. Mark Sowell, DPM
What this data tells you about Dr. Sowell
Dr. Mark Sowell is a primary podiatric medicine podiatrist in Nacogdoches, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Sowell performed 5,886 Medicare services across 1,411 unique beneficiaries.
Between the years covered by Open Payments, Dr. Sowell received a total of $160 from 4 pharmaceutical and/or device companies across 5 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in primary podiatric medicine podiatrist. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Sowell is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Infectious disease DNA/RNA test A laboratory test that uses a specific technique to detect the genetic material of an organism. This method amplifies the target DNA or RNA to identify the presence of the organism. |
2,132 | $34 | $100 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,397 | $61 | $165 |
| Toenail/fingernail removal, 6+ nails Surgical removal of six or more fingernails or toenails. This procedure involves the excision of multiple nails during a single session. |
1,137 | $31 | $120 |
| Yeast/candida DNA test A laboratory test that uses an amplified probe technique to detect the presence of Candida species, a type of yeast, in a patient sample. |
628 | $34 | $100 |
| Removal of thickened skin growths, 2-4 This procedure involves the removal of two to four benign, thickened skin growths. It is a minor surgical intervention to eliminate non-cancerous skin lesions. |
198 | $58 | $154 |
| Nucleic acid test for multiple organisms A laboratory test that uses amplified probe techniques to detect the genetic material of multiple organisms in a sample. |
178 | $69 | $150 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
120 | $76 | $258 |
| Skin and tissue removal, 20 sq cm or less This procedure involves the surgical excision of skin and underlying tissue from an area measuring 20 square centimeters or smaller. |
63 | $89 | $275 |
| Ultrasound of arm and leg arteries This procedure uses sound waves to create images of the blood vessels in the arms and legs. It allows healthcare providers to examine the structure and blood flow within these arteries. |
33 | $58 | $250 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Sowell is a clinical cardiology specialist, with above-average Medicare volume (top 3% in TX), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Sowell experienced with infectious disease dna/rna test?
Does Dr. Sowell receive payments from pharmaceutical companies?
How do Dr. Sowell's costs compare to other primary podiatric medicine podiatrists in Nacogdoches?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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