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Undersea and Hyperbaric Medicine Doctors (Preventive Medicine) in Maryland

Data updated monthly · Last refresh October 2026

5 Undersea and Hyperbaric Medicine (Preventive Medicine) providers practice in Maryland. The largest concentration is in Baltimore. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

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Undersea and Hyperbaric Medicine (Preventive Medicine) by city in Maryland

Choose a city to see providers there.

Undersea and Hyperbaric Medicine (Preventive Medicine) in Baltimore2 providers
Undersea and Hyperbaric Medicine (Preventive Medicine) in Millersville1 providers
Undersea and Hyperbaric Medicine (Preventive Medicine) in Hagerstown1 providers
Undersea and Hyperbaric Medicine (Preventive Medicine) in Frederick1 providers

Undersea and Hyperbaric Medicine (Preventive Medicine) providers in Maryland

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Daniel John, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (443) 849-8919
Dr. Peter Allinson, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (443) 849-8919
Dr. Narayan Kulkarni, DO
Frederick, MD · $138 in drug and device payments (2025) · (240) 566-3840
Dr. Emeric Palmer, MD
Hagerstown, MD · No drug or device payments recorded (2025) · (240) 313-9580
Dr. Olivia Barefoot-morgan, DHM PHD
Millersville, MD · No drug or device payments recorded (2025) · (301) 233-2388

Common questions

How many Undersea and Hyperbaric Medicine (Preventive Medicine) providers are in Maryland?

There are 5 Undersea and Hyperbaric Medicine (Preventive Medicine) providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.

Which cities in Maryland have the most Undersea and Hyperbaric Medicine (Preventive Medicine) providers?

Baltimore (2), Millersville (1), Hagerstown (1) have the highest concentration of Undersea and Hyperbaric Medicine (Preventive Medicine) providers in Maryland.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Undersea and Hyperbaric Medicine (Preventive Medicine) in Maryland? Get featured.