Daniel D. Witheiler, M.D.
NPI 1023083482ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Dallas, TX
Dermatology, MOHS-Micrographic Surgery (M.D.) in Dallas, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1991). 331 Medicare patients in 2024, $340,505 paid; nearly all of their 504 Part D prescriptions were generic (92%). Genzyme Corporation was the largest of 10 companies reporting payments in 2025, $804.88 in all, mostly food and beverage.
Overview
| NPI | 1023083482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Aug 1, 2023 |
| Certified by provider | Aug 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | J2420 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 1,741 across 84 procedure codes |
| Paid by Medicare | $340,505 |
Part D prescriptions in 2024
| Prescriptions (claims) | 504 · 579 30-day fills |
|---|---|
| Patients | 271 |
| Total drug cost | $116,642 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Dermatology |
| Secondary specialties | Micrographic Dermatologic Surgery (Mds) |
Medical group
- Daniel D. Witheiler, M.D. P.A.Dallas, TX · 2 clinicians
Hospital affiliation
- Methodist Dallas Medical CenterDallas, TX
Industry payments (Open Payments)
- 2025$804.88 · 34 payments from 10 companies
- 2024$1,153 · 51 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $145.40 | 7 |
| Ucb, Inc. | $123.78 | 1 |
| Lilly USA, LLC | $118.30 | 5 |
| Arcutis Biotherapeutics, Inc. | $84.96 | 4 |
| Abbvie Inc. | $77.33 | 5 |
What the 2025 payments were for
- Food and Beverage$804.88 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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