Jaron Evan Mark, M.D.
NPI 1073888319ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· San Antonio, TX
Obstetrics & Gynecology, Gynecologic Oncology (M.D.) in San Antonio, Texas, trained at Meharry Medical College School of Medicine (class of 2012). In 2024 Medicare paid $1,056,801 for 92 patients, and Part D covered 399 of their prescriptions, 84% of them generic. Eisai Inc. was the largest of 13 companies reporting payments in 2025, $565.68 in all, mostly food and beverage.
Overview
| NPI | 1073888319 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 20, 2012 |
| Last updated in NPPES | Jul 27, 2020 |
| Certified by provider | Jul 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | S5980 | 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 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 - Gynecological Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 36,051 across 87 procedure codes |
| Paid by Medicare | $1,056,801 |
Part D prescriptions in 2024
| Prescriptions (claims) | 399 · 474 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $434,115 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Gynecological Oncology |
Medical group
- South Texas Oncology and Hematology, PLLCSan Antonio, TX · 41 clinicians
Hospital affiliation
- Methodist HospitalSan Antonio, TX
Industry payments (Open Payments)
- 2025$565.68 · 20 payments from 13 companies
- 2024$2,488 · 34 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $149.91 | 2 |
| Merck Sharp & Dohme LLC | $81.36 | 3 |
| Astrazeneca Pharmaceuticals LP | $49.77 | 2 |
| Abbvie Inc. | $45.34 | 2 |
| Pfizer Inc. | $42.11 | 2 |
What the 2025 payments were for
- Food and Beverage$565.68 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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