Rachel Ellen Kaczynski, D.O.
NPI 1487942736ActiveIndividual· Surgery, Surgical Oncology· San Antonio, TX
Surgery, Surgical Oncology (D.O.) with Texas Oncology PA, practicing in San Antonio, Texas. 121 Medicare patients in 2024, $58,304 paid; nearly all of their 161 Part D prescriptions were generic (99%). Pharmacosmos Therapeutics Inc. was the largest of 4 companies reporting payments in 2025, $87.73 in all, mostly food and beverage. Lists Christus Santa Rosa Hospital-San Marcos and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487942736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jul 20, 2011 |
| Last updated in NPPES | Oct 7, 2022 |
| Certified by provider | Oct 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | T2191 | TX |
| Surgery | 208600000X | 267637 | NY |
| Surgery, Surgical Oncology | 2086X0206X | 34.014960 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Surgical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 386 across 36 procedure codes |
| Paid by Medicare | $58,304 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 171 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $1,655 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Surgical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- Methodist HospitalSan Antonio, TX
- Methodist Hospital Stone OakSan Antonio, TX
Industry payments (Open Payments)
- 2025$87.73 · 4 payments from 4 companies
- 2024$1,863 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pharmacosmos Therapeutics Inc. | $28.27 | 1 |
| Regeneron Healthcare Solutions, Inc. | $21.68 | 1 |
| Novartis Pharmaceuticals Corporation | $19.61 | 1 |
| Blueprint Medicines Corporation | $18.17 | 1 |
What the 2025 payments were for
- Food and Beverage$87.73 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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