Mark A. Witt, DPM
- Medicare patients, 2024
- 591
- Part D claims, 2024
- 809
- Hospital affiliations
- 2
- Industry payments
- $60
- Medical group
- 1
- Practice address
- 2901 N Fourth St, Longview, TX 75605
- Practice phone
- Call (903) 758-1818
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Witt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mark A. Witt is a podiatrist in Longview, Texas
Mark Witt practices at Longview Regional Medical Center in Longview, Texas, part of Community Health Systems.
Mark Witt's NPI, 1093782427, was assigned on March 3, 2006. Mark Witt holds Texas license 1692.
- NPI
- 1093782427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325012693
- NPI enumeration date
- March 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (903) 758-1818
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark A. Witt practices at Longview Regional Medical Center in Longview, Texas
Mark Witt's primary practice is Longview Regional Medical Center, at 2901 N Fourth St, Longview, TX 75605 in Gregg County. The practice phone is (903) 758-1818.
- Longview Regional Medical Center2901 N Fourth St, Longview, TX 75605 · Gregg CountyPhone(903) 758-1818
Source: Dmand AI Affiliation Data
Mark A. Witt is affiliated with 4 sites of care and 1 medical group
Mark Witt's primary practice is Longview Regional Medical Center in Longview, Texas, part of Community Health Systems. Mark Witt is also affiliated with CHRISTUS Good Shepherd Medical Center - Longview. The medical group on file is Diagnostic Clinic of Longview. Dmand AI also links Mark Witt to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark A. Witt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Witt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Longview Regional Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark A. Witt is one of 447 podiatrists in Texas
Podiatrist is Mark Witt's primary specialty in the NPI Registry, under taxonomy code 213E00000X. Mark Witt is licensed in Texas.
Specialties and state licenses
- Podiatrist, TexasPrimary
Podiatrists near Mark Witt
Counts of podiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mark A. Witt treated 591 Medicare patients in 2024, average age 76
CMS counts 591 Medicare patients who saw Mark Witt in 2024. The largest group is 65 to 74, with 263 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Witt's median patient age at 68, with 54% women.
Mark Witt's Medicare patients by age, 2024
Mark Witt's Medicare patients by sex, 2024
- Women32254%
- Men26946%
Chronic conditions among Mark Witt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes46%
- Ischemic heart disease35%
- Chronic kidney disease34%
- Mood disorders27%
- Atrial fibrillation26%
Share of Medicare patients with each condition. A patient can have several.
Mark Witt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark A. Witt wrote 809 Medicare Part D claims in 2024
In 2024, Mark Witt wrote 809 Medicare Part D claims for 398 patients. 97% of them were for generic drugs.
Mark Witt's Part D claims by kind of drug, 2024
- Generic784 claims97%
- Brand-name25 claims3%
Drug classes CMS tracks in Mark Witt's Part D claims, 2024
- Opioids16%127 of 809 claims
- Antibiotics26%208 of 809 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mark A. Witt ranks in the 88th percentile for removal of tissue in Medicare
Mark Witt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 129 procedures of removal of tissue by Mark Witt, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Mark Witt ranks in Medicare procedure volume
- Removal of nail tissue
- 78th percentile289 procedures
- Removal of tissue
- 88th percentile129 procedures
- Removal or shaving of skin growth
- 79th percentile48 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Mark A. Witt received $60 in industry payments in 2025
CMS Open Payments shows 3 general payments to Mark Witt from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bioventus LLC paid the most, $28.
Companies that paid Mark Witt the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark A. Witt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mark A. Witt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark A. Witt's NPI number?
Mark A. Witt's NPI number is 1093782427. It was assigned on March 3, 2006, and it is active in the NPI Registry.
What does Mark A. Witt specialize in?
Mark A. Witt is a podiatrist in Longview, Texas. The primary specialty in the NPI Registry is Podiatrist (taxonomy code 213E00000X).
Where does Mark A. Witt practice?
Mark Witt practices at 2901 N Fourth St, Longview, TX 75605. Mark Witt's primary practice is Longview Regional Medical Center in Longview, Texas, part of Community Health Systems. Dmand AI also links Mark Witt to 1 group practice or clinic and 1 home health agency.
What is Mark A. Witt's office phone number?
The practice phone on file for Mark Witt is (903) 758-1818.
What is Mark A. Witt's medical license number?
Mark Witt holds Texas license 1692.
Which hospitals is Mark A. Witt affiliated with?
Mark Witt practices at Longview Regional Medical Center in Longview, Texas. Mark Witt is also affiliated with CHRISTUS Good Shepherd Medical Center - Longview.
What medical group is Mark A. Witt part of?
Mark Witt is linked to Diagnostic Clinic of Longview.
Does Mark A. Witt accept Medicare?
Yes. CMS lists Mark Witt as accepting Medicare assignment.
How many Medicare patients does Mark A. Witt see?
CMS counts 591 Medicare patients who saw Mark Witt in 2024, with an average age of 76.
Has Mark A. Witt received payments from drug or device companies?
CMS Open Payments shows $60 in general payments to Mark Witt from 3 companies from 2025 to 2025. The largest total came from Bioventus LLC.
How long has Mark A. Witt been practicing?
Mark Witt graduated from medical school in 2002, 24 years ago.
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