Susan K. Mathai, M.D.
NPI 1245467737ActiveIndividual· Internal Medicine, Pulmonary Disease· Dallas, TX
Internal Medicine, Pulmonary Disease (M.D.) in Dallas, Texas, trained at Yale University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $3,754,950 for 1,522 claims, against $37,701 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $6,976 in all, mostly consulting fees.
Overview
| NPI | 1245467737 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2009 |
| Last updated in NPPES | Apr 5, 2022 |
| Certified by provider | Apr 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | R5594 | TX |
| Internal Medicine | 207R00000X | DR.0052160 | CO |
| Internal Medicine | 207R00000X | R5594 | TX |
| Internal Medicine, Critical Care Medicine | 207RC0200X | DR.0052160 | CO |
| Internal Medicine, Critical Care Medicine | 207RC0200X | R5594 | TX |
| Internal Medicine, Pulmonary Disease | 207RP1001X | DR.0052160 | CO |
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 - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 1,223 across 16 procedure codes |
| Paid by Medicare | $37,701 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,522 · 2,712 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $3,754,950 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$6,976 · 7 payments from 3 companies
- 2024$11,427 · 17 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $5,246 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $1,578 | 3 |
| United Therapeutics Corporation | $152.30 | 1 |
What the 2025 payments were for
- Consulting Fee$6,640 · 3 payments
- Food and Beverage$335.85 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other pulmonologists in Dallas
- 1013093293
- 1023436151
- 1063701605
- 1104916782
- 1124071956
- 1164468450
- 1174934004
- 1184714768
- 1184836355
- 1205218369
- 1205275336
- 1205856366
All 159 pulmonologists in Dallas · All pulmonologists in Texas