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

Individual provider Critical Care Medicine Registered Nurse · NPI 1427634229

Richard Matthew Williams, APRN, PMHNP-BC is a Nurse Practitioner in Manchester, New Hampshire. Qualified in 2022, 4 years ago. Practices with The Mental Health Center of Greater Manchester, a 87-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New Hampshire.

Years since qualifying
4
Licensed in
MA, NH
In the registry since
2021
Specialties on file
4
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

2 Wall St
Manchester, NH 03101-1518
Phone: (603) 668-4111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 234 Littleton Rd Ste 1b, Westford, MA 01886-3530 — (603) 377-3951

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 067552-23 (NH)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 067552-21 (NH)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence 067552-21 (NH)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence RN10039855 (MA)

Record details

NPI number1427634229
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN , PMHNP-BC
Sole proprietorNo
NPI enumeratedMarch 22, 2021
Last updated in NPPESMarch 27, 2026
Certification dateMarch 27, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice The Mental Health Center Of Greater Manchester — 87 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Manchester