Margaret Katherine Hart, MD
NPI 1922047133ActiveIndividual· Dermatology· Austin, TX
Dermatology (MD) in Austin, Texas, trained at University of Texas Medical School at San Antonio (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $367,022 for 643 claims, against $113,299 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,820 in all, mostly food and beverage.
Overview
| NPI | 1922047133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Aug 4, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | L6934 | 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 | 469 |
|---|---|
| Services billed | 2,472 across 39 procedure codes |
| Paid by Medicare | $113,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 643 · 822 30-day fills |
|---|---|
| Patients | 284 |
| Total drug cost | $367,022 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Dermatology |
Medical group
- Oliver Street 5.01(A) IncCedar Park, TX · 168 clinicians
Industry payments (Open Payments)
- 2025$1,820 · 93 payments from 17 companies
- 2024$1,968 · 106 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $571.97 | 36 |
| Novartis Pharmaceuticals Corporation | $184.02 | 12 |
| Genzyme Corporation | $156.73 | 8 |
| Janssen Biotech, Inc. | $148.57 | 6 |
| Ucb, Inc. | $125.43 | 4 |
What the 2025 payments were for
- Food and Beverage$1,725 · 92 payments
- Education$94.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in Austin
- 1033372586
- 1033484415
- 1053399477
- 1053756940
- 1073748281
- 1093764664
- 1124079306
- 1144684614
- 1144757592
- 1154587830
- 1174663835
- 1184246019
All 131 dermatologists in Austin · All dermatologists in Texas