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

Mary Martinelli, PHD

Individual provider Mental Health Counselor · NPI 1558619262

Mary Martinelli, PHD is a Clinical Psychologist in Baltimore, Maryland. Qualified in 2022, 4 years ago. Practices with Johns Hopkins University, a 2,855-clinician group and works from 3 locations. Licensed in Maryland.

Years since qualifying
4
Licensed in
MD
In the registry since
2012
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

600 N Wolfe St
Baltimore, MD 21287-0005
Phone: (410) 955-3917
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (2)

  • 500 N Rolling Rd, Catonsville, MD 21228-4134 — (410) 788-0300
  • 100 N Academy Ave, Danville, PA 17822-1335 — (570) 271-6516

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 07208 (MD)
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1558619262
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 28, 2012
Last updated in NPPESAugust 2, 2024
Certification dateAugust 2, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Baltimore