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

Mark Tuliao, RN

Individual provider Critical Care Medicine Registered Nurse · NPI 1801780333

Mark Tuliao, RN is a Critical Care Medicine Registered Nurse in Bethesda, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2025
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

8600 Old Georgetown Rd
Bethesda, MD 20814-1497
Phone: (301) 896-3990
Show map & directions

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

Specialties & licences

Critical Care Medicine Registered Nurse (primary) Taxonomy 163WC0200X · Licence R166775 (MD)

Record details

NPI number1801780333
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorYes
NPI enumeratedJune 9, 2025
Last updated in NPPESJune 9, 2025
Certification dateJune 8, 2025

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