Elizabeth T. Dolan, M.D.
NPI 1881632602ActiveIndividual· Specialist· Dallas, TX
Specialist (M.D.) with Christy C Riddle MD PLLC, practicing in Dallas, Texas. 908 Medicare patients in 2024, $153,443 paid; nearly all of their 1,070 Part D prescriptions were generic (95%). Genzyme Corporation was the largest of 13 companies reporting payments in 2025, $1,083 in all, mostly food and beverage.
Overview
| NPI | 1881632602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Jul 18, 2022 |
| Certified by provider | Jul 18, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G4992 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 908 |
|---|---|
| Services billed | 7,540 across 30 procedure codes |
| Paid by Medicare | $153,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,070 · 1,335 30-day fills |
|---|---|
| Patients | 429 |
| Total drug cost | $186,790 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Christy C Riddle MD PLLCDallas, TX · 2 clinicians
Industry payments (Open Payments)
- 2025$1,083 · 48 payments from 13 companies
- 2024$955.47 · 51 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $313.58 | 15 |
| Lilly USA, LLC | $159.57 | 6 |
| Regeneron Healthcare Solutions, Inc. | $147.95 | 5 |
| Ucb, Inc. | $105.72 | 6 |
| Galderma Laboratories, L.P. | $84.20 | 4 |
What the 2025 payments were for
- Food and Beverage$1,083 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 356 Specialist providers in Dallas · All Specialist providers in Texas