Fernando Enrique Karst, MD
NPI 1326148586ActiveIndividual· Preventive Medicine, Undersea and Hyperbaric Medicine· San Antonio, TX
Preventive Medicine, Undersea and Hyperbaric Medicine (MD) in San Antonio, Texas, licensed in TX, with an NPI issued in September 2006. Their prescriptions cost Medicare Part D more than their services did: $3,079 for 116 claims, against $1,543 paid for services in 2024. Organogenesis Inc. was the largest of 2 companies reporting payments in 2025, $51.51 in all, mostly food and beverage. Lists Baptist Medical Center as a hospital affiliation.
Overview
| NPI | 1326148586 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Jun 30, 2024 |
| Certified by provider | May 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Preventive Medicine, Undersea and Hyperbaric Medicine Primary | 2083P0011X | K2933 | TX |
| Specialist | 174400000X | K2933 | TX |
| Family Medicine | 207Q00000X | K2933 | 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 - Undersea and Hyperbaric Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 30 across 8 procedure codes |
| Paid by Medicare | $1,543 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 119 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $3,079 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Undersea And Hyperbaric Medicine |
| Secondary specialties | Family Practice |
Hospital affiliation
- Baptist Medical CenterSan Antonio, TX
Other facilities
- Crest Home HealthHome health agency · Boerne, TX
Industry payments (Open Payments)
- 2025$51.51 · 2 payments from 2 companies
- 2024$28.76 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organogenesis Inc. | $32.18 | 1 |
| Smith+nephew, Inc. | $19.33 | 1 |
What the 2025 payments were for
- Food and Beverage$51.51 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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