David Hasselbacher, MD
Addiction Medicine · Internal Medicine · Family Medicine · Sleep Medicine
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Credentials & Recognition
Specialties
NPI sub-specialties
Family Medicine, Sleep Medicine207QS1201X
Internal Medicine, Critical Care Medicine207RC0200X
Internal Medicine, Pulmonary Disease207RP1001X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
19+ years
Estimated from NPI enumeration date
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
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