Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers in the U.S.
272 NPPES records list undersea and hyperbaric medicine (preventive medicine) physician as their primary taxonomy, about 0.1 per 100,000 residents; Wisconsin and Utah have the most per resident. 148 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 2083P0011X means
2083P0011X is the National Uniform Claim Committee code for Preventive Medicine, Undersea and Hyperbaric Medicine, in the grouping Allopathic & Osteopathic Physicians. 272 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 2083P0011X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
San Antonio has the most, 12
Source: CMS NPPES, primary taxonomy 2083P0011X by practice city, file of Aug 9, 2026.
All 39 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 1 | 0.0 |
| Arizona | 4 | 0.1 |
| Arkansas | 3 | 0.1 |
| California | 12 | 0.0 |
| Colorado | 2 | 0.0 |
| Connecticut | 2 | 0.1 |
| Florida | 39 | 0.2 |
| Georgia | 14 | 0.1 |
| Hawaii | 2 | 0.1 |
| Illinois | 6 | 0.0 |
| Indiana | 3 | 0.0 |
| Iowa | 3 | 0.1 |
| Kansas | 4 | 0.1 |
| Louisiana | 6 | 0.1 |
| Maine | 1 | 0.1 |
| Maryland | 5 | 0.1 |
| Michigan | 5 | 0.0 |
| Minnesota | 1 | 0.0 |
| Mississippi | 1 | 0.0 |
| Missouri | 12 | 0.2 |
In federal data
- NUCC code2083P0011X · Preventive Medicine
- Size rank407th of 688 specialties by records (0% of all)
- In its family6th of 10 Preventive Medicine codes, 4% of the family
- Part D prescribers148 (54.4% of records)
- Part D claims308 a year per prescriber, on average (225th of 496)
- Industry payments120 physicians paid $560K in 2024, $5K each on average
- Concentration5 states hold half of all records
Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.
A sample of undersea and hyperbaric medicine (preventive medicine) physician records
- Nathan Kwan, MDFort Novosel, AL1326491903
- Samuel Register, MDNorth Little Rock, AR1003853862
- Angela Driskill, MDNorth Little Rock, AR1306870068
- Francis McEvoy, MDSpringdale, AR1336242304
- Brian McCrary, D.O.Phoenix, AZ1972597490
- Christopher McGeePhoenix, AZ1548778715
- Kathleen Moore Bishop, MDCasa Grande, AZ1871701300
- Misael Alonso, MDSurprise, AZ1487603312
- Sara Saltzstein, MDCamp Pendleton, CA1730176454
- Caesar Anderson, M.D., M.P.H.San Diego, CA1104071489
- Daniel Landry, M.D.San Diego, CA1912359928
- Gina Virgilio, M.D.San Diego, CA1730153289
Registry order, not a ranking. Search by name to find one provider.
Common questions
How should I read Undersea and Hyperbaric Medicine (Preventive Medicine) Physician's mid-pack national roster?
272 CMS-registered Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers sit across 41 states; Texas leads with 50. Rank 407th of 688 NUCC specialties by headcount.
How does Undersea and Hyperbaric Medicine (Preventive Medicine) Physician show up in Open Payments mid-pack?
CMS Open Payments 2024 lists 120 Undersea and Hyperbaric Medicine (Preventive Medicine) Physician physicians receiving $560K across 1,301 payments (average $5K; 93rd of 470 specialties). Not a quality score.
How much Part D prescribing does this specialty do?
Among Undersea and Hyperbaric Medicine (Preventive Medicine) Physician NPIs, 148 appear in the Medicare Part D Prescriber PUF (average 308 claims and $30K drug cost per prescriber; 225th of 496 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.
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.