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

Mr. Robert W Berks, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1124177522

Mr. Robert W Berks, PMHNP is a Nurse Practitioner in Lewiston, Maine. Qualified in 1997, 29 years ago. Practices with St Marys Regional Medical Center, a 194-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
29
Licensed in
ME
In the registry since
2007
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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Practice location Address checks out

100 Campus Ave Ste 208
Lewiston, ME 04240
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 CNP81019 (ME)

Record details

NPI number1124177522
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedJanuary 9, 2007
Last updated in NPPESNovember 7, 2022
Certification dateNovember 7, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice St Marys Regional Medical Center — 194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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