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

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1235982406

Mary Greathouse, PMHNP-BC is a Nurse Practitioner in Pittsburgh, Pennsylvania. Qualified in 2023, 3 years ago. Practices with University of Pittsburgh Physicians, a 4,127-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
3
Licensed in
PA
In the registry since
2024
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

200 Lothrop St
Pittsburgh, PA 15213-2536
Phone: (412) 647-2345
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence SP029562 (PA)

Record details

NPI number1235982406
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedApril 8, 2024
Last updated in NPPESDecember 21, 2025
Certification dateDecember 21, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice University Of Pittsburgh Physicians — 4127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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