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

Dr. Adam Joseph Maier, DO

Individual provider Internal Medicine Physician · NPI 1003378696

Dr. Adam Joseph Maier, DO is an Internal Medicine Physician in Bethesda, Maryland. Works from 2 locations. Licensed in Nebraska.

Licensed in
NE
In the registry since
2019
Specialties on file
4
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.

See every abbreviation used in this directory →

Practice location Address checks out

8901 Wisconsin Ave
Bethesda, MD 20889-0004
Phone: (301) 295-4000
Fax: (301) 319-2172
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 34800 Bob Wilson Dr, San Diego, CA 92134-1098 — (619) 532-6400

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 2232 (NE)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2232 (NE)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Military Health Care Provider Taxonomy 171000000X

Record details

NPI number1003378696
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 2, 2019
Last updated in NPPESApril 1, 2025
Certification dateApril 1, 2025

Other providers in Bethesda