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

Mrs. Diane E Greslick, PMHNPBC, CNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1619241312

Mrs. Diane E Greslick, PMHNPBC, CNP is a Psychiatric/Mental Health Nurse Practitioner in Lewiston, Maine. Licensed in Maine. Registered with an NPI since 2012.

Licensed in
ME
In the registry since
2012
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

100 Campus Ave Ste 208
Lewiston, ME 04240-6040
Phone: (207) 777-8974
Fax: (207) 777-8946
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence CNP121003 (ME)

Record details

NPI number1619241312
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNPBC , CNP
Sole proprietorNo
NPI enumeratedFebruary 28, 2012
Last updated in NPPESFebruary 20, 2013

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