Barbara J Stark Baxter, MD
NPI 1720035637ActiveIndividual· Internal Medicine, Allergy & Immunology· Dallas, TX
Internal Medicine, Allergy & Immunology (MD) in Dallas, Texas, trained at Columbia University College of Physicians and Surgeons (class of 1979). In 2024 Medicare paid $729,111 for 238 patients, and Part D covered 1,024 of their prescriptions, 80% of them generic. Novartis Pharmaceuticals Corporation was the largest of 14 companies reporting payments in 2025, $716.41 in all, mostly food and beverage.
Overview
| NPI | 1720035637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Aug 3, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Allergy & Immunology Primary | 207RA0201X | F7931 | 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 - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 28,484 across 48 procedure codes |
| Paid by Medicare | $729,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,024 · 1,951 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $84,229 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical group
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
Industry payments (Open Payments)
- 2025$716.41 · 31 payments from 14 companies
- 2024$1,013 · 30 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $104.03 | 4 |
| Octapharma USA, Inc. | $91.86 | 4 |
| Pfizer Inc. | $77.81 | 3 |
| Regeneron Healthcare Solutions, Inc. | $68.84 | 3 |
| Amgen Inc. | $60.08 | 2 |
What the 2025 payments were for
- Food and Beverage$682.41 · 30 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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