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

Melissa Inez Mason, CRNP

Individual provider Emergency Registered Nurse · NPI 1912496068

Melissa Inez Mason, CRNP is a Nurse Practitioner in Baltimore, Maryland. Qualified in 2018, 8 years ago. Practices with Johns Hopkins University, a 2,855-clinician group. Licensed in Maryland.

Years since qualifying
8
Licensed in
MD
In the registry since
2018
Specialties on file
2
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

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Practice location Address checks out

601 N Caroline St
Baltimore, MD 21287-0006
Phone: (251) 401-4697
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence R190975 (MD)
Emergency Registered Nurse Taxonomy 163WE0003X · Licence R190975 (MD)

Record details

NPI number1912496068
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedMay 4, 2018
Last updated in NPPESNovember 19, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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