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

Mary Gwynne McClain, APRN, MSN, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1548833098

Mary Gwynne McClain, APRN, MSN, PMHNP-BC is a Nurse Practitioner in Marion, Indiana. Qualified in 2024, 2 years ago. Practices with Grant-Blackford Mental Health, Inc, a 21-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Indiana.

Years since qualifying
2
Licensed in
IN
In the registry since
2021
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

505 N Wabash Ave
Marion, IN 46952-2608
Phone: (765) 348-4221
Show map & directions

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

Additional practice locations (1)

  • 3010 Suth Adams Street, Marion, IN 46953 — (765) 662-3971

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 71015598A (IN)

Record details

NPI number1548833098
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , MSN , PMHNP-BC
Sole proprietorNo
NPI enumeratedJuly 22, 2021
Last updated in NPPESJuly 30, 2025
Certification dateJuly 24, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Grant-Blackford Mental Health, Inc. — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Marion