Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Bernadette L Villarreal, DO

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1346561115

Bernadette L Villarreal, DO is a Sleep Medicine (Internal Medicine) Physician in Bethesda, Maryland. Licensed in Indiana. Registered with an NPI since 2010.

Licensed in
IN
In the registry since
2010
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

4494 N Palmer Rd
Bethesda, MD 20889-0001
Phone: (301) 295-4547
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 02003891A (IN)

Record details

NPI number1346561115
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2010
Last updated in NPPESSeptember 3, 2024
Certification dateAugust 20, 2024

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