FERNANDO ENRIQUE KARST (MD) – Undersea and Hyperbaric Medicine (Preventive Medicine) Physician, NPI 1326148586
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
62 UNDERSEA AND HYPERBARIC MEDICINE in TX
Provider Addresses for FERNANDO ENRIQUE KARST (MD)
PO BOX 938
KILLEEN, TX 765400938
Phone: (254) 245-9045
Fax: (254) 245-9284
Type: Mailing
7940 FLOYD CURL DR STE 100
SAN ANTONIO, TX 782293907
Phone: (210) 297-5520
Fax: (210) 297-0632
Type: Location
East US Highway 290, La Costa, Austin, Travis County, Texas, 78752, United States
SUITE 101
AUSTIN, TX 787231172
Phone: (512) 314-3834
Fax: (512) 314-7121
Type: Location
14329 SAN PEDRO AVE STE C
SAN ANTONIO, TX 782324389
Phone: (210) 494-2744
Fax: (210) 494-2866
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $29.
Total Amount is formed as General ($29) + Research ($0) + Ownership ($0) = $29.
Last reported payment date: 2024-07-19 • Largest payer in this snapshot: Smith+Nephew, Inc. ($18).
Total Amount
$29
General + Research + Ownership
Payments
2
Total payment records
General Amount
$29
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Smith+Nephew, Inc. | $18 |
| CashFlow Solutions, LLC | $11 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-02-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070205000275 | I | Undersea And Hyperbaric Medicine | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 76 | 33 | $0 |
| 97597 | Removal of tissue from wound, 20.0 sq cm or less | 21 | 14 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 18 | 13 | $0 |
Insurance plans in this area (ZIP 76540)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | TX | 11042 | Removal of skin and tissue first 20 sq cm or less | 35 | 22 |
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