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

Mark Walter Gregg, RN

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1053258921

Mark Walter Gregg, RN is a Student in an Organized Health Care Education/Training Program in Bethesda, Maryland. Licensed in Florida. Registered with an NPI since 2026.

Licensed in
FL
In the registry since
2026
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

4301 Jones Bridge Rd
Bethesda, MD 20814-4799
Phone: (301) 295-9004
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X · Licence RN9639547 (FL)

Record details

NPI number1053258921
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedApril 30, 2026
Last updated in NPPESApril 30, 2026
Certification dateApril 30, 2026

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