Susan Irene Fesmire, M.D.
NPI 1548233034ActiveIndividual· Internal Medicine· Dallas, TX
Internal Medicine (M.D.) in Dallas, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,447,644 for 14,867 claims, against $308,139 paid for services in 2024. Pfizer Inc. was the largest of 16 companies reporting payments in 2025, $718.63 in all, mostly food and beverage.
Overview
| NPI | 1548233034 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 7, 2006 |
| Last updated in NPPES | May 18, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L1036 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 714 |
|---|---|
| Services billed | 10,952 across 135 procedure codes |
| Paid by Medicare | $308,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,867 · 33,490 30-day fills |
|---|---|
| Patients | 1,157 |
| Total drug cost | $1,447,644 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medical Specialists AssociatedDallas, TX · 12 clinicians
Hospital affiliations
- Baylor University Medical CenterDallas, TX
- Medical City Dallas HospitalDallas, TX
- Medical City PlanoPlano, TX
- Methodist Hospital for SurgeryAddison, TX
- Texas Health Presbyterian Hospital DallasDallas, TX
Other facilities
- Accentcare Home Health of McKinneyHome health agency · McKinney, TX
- Amatus Health Care LLCHome health agency · Farmers Branch, TX
- Dfw Home HealthHome health agency · Dallas, TX
- Higher Standards Senior Home Health CareHome health agency · Dallas, TX
- Paradigm HomecareHome health agency · Plano, TX
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Dallas, TX
Industry payments (Open Payments)
- 2025$718.63 · 37 payments from 16 companies
- 2024$451.76 · 25 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $245.52 | 13 |
| Abbott Laboratories | $95.44 | 4 |
| Amgen Inc. | $60.99 | 4 |
| Millicent US Inc | $45.00 | 1 |
| Glaxosmithkline, LLC. | $43.90 | 3 |
What the 2025 payments were for
- Food and Beverage$673.63 · 36 payments
- Education$45.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,234 internal medicine physicians in Dallas · All internal medicine physicians in Texas