Fernando Enrique Karst, MD
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · San Antonio, TX
Fernando Enrique Karst, MD is an undersea and hyperbaric medicine (preventive medicine) physician with a practice address in San Antonio, Texas, and NPI 1326148586, issued on Sep 25, 2006. Check the license (Texas K2933, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Fernando Enrique Karst
- Credential
- MD
- Primary taxonomy
- Undersea and Hyperbaric Medicine (Preventive Medicine) Physician 2083P0011X
- License number
- K2933 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7940 Floyd Curl Dr Ste 100, San Antonio, TX 78229
- Phone
- (210) 297-5520
- Enumerated
- Sep 25, 2006
- Record last updated
- Jun 30, 2024
- Fax
- (210) 297-0632
- Medicare enrollment
- Enrolled (PECOS I20070205000275); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest undersea and hyperbaric medicine (preventive medicine) physician records → All 50 in Texas → Look up another NPI →
Verify Fernando Enrique Karst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K2933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average undersea and hyperbaric medicine (preventive medicine) physician in 2024
116 Medicare Part D claims for 42 beneficiaries, against an average of 308 among the 148 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate21 claims
- Cefdinir13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $28.76
2 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 120 providers of this specialty with any payment received $4,669.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Fernando Enrique Karst among 50 undersea and hyperbaric medicine (preventive medicine) physician records in Texas
Fernando Enrique Karst, MD is one of 50 undersea and hyperbaric medicine (preventive medicine) physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 26% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 1996 among the 30 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers in Texas
There are 50 undersea and hyperbaric medicine (preventive medicine) physician records in Texas.
All 50 in Texas → Every provider in San Antonio → Undersea and Hyperbaric Medicine (Preventive Medicine) Physician nationwide →
The 8 undersea and hyperbaric medicine (preventive medicine) physician records with the nearest ZIP codes
- Kenneth Hart, D.O.San Antonio, TX 782291003998071
- Jason Kelly, M.D.San Antonio, TX 782291033277876
- Homer Reyes, M.D.San Antonio, TX 782291912015660
- James Smith, M.D.San Antonio, TX 782291942249123
- Benton Zwart, MD, MPHSan Antonio, TX 782291003910720
- Otto Boneta, MDFort Sam Houston, TX 782341952417669
- Peter Lennox, M.D.Jbsa Ft Sam Houston, TX 782341740501717
- Alan Moloff, D.O.Fort Sam Houston, TX 782341790766731
Common questions
What is Fernando Enrique Karst, MD's NPI number?
Fernando Enrique Karst, MD's National Provider Identifier (NPI) is 1326148586, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Fernando Enrique Karst, MD located?
The NPPES record lists a practice address at 7940 Floyd Curl Dr Ste 100, San Antonio, TX, 78229. Phone: (210) 297-5520. Providers update this record themselves, so call before visiting.
How can I verify Fernando Enrique Karst, MD's license?
NPPES lists Texas license number K2933, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Fernando Enrique Karst, MD prescribe under Medicare Part D?
In 2024, Fernando Enrique Karst, MD had 116 Medicare Part D claims for 42 beneficiaries; the average among undersea and hyperbaric medicine (preventive medicine) physician prescribers was 308. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.