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

Allen Lionel Martin, NP, RN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1104918796

Allen Lionel Martin, NP, RN is a Nurse Practitioner in Belfast, Maine. Qualified in 2005, 21 years ago. Practices with Mainehealth, a 2,615-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maine.

Years since qualifying
21
Licensed in
ME
In the registry since
2006
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

15 Mid Coast Dr
Belfast, ME 04915-6079
Phone: (207) 338-2295
Fax: (207) 338-2388
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 CNP81743 (ME)
Registered Nurse Taxonomy 163W00000X · Licence RN41793 (ME)

Record details

NPI number1104918796
Entity typeIndividual (Type 1)
GenderMale
Credentials NP , RN
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJanuary 27, 2017

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients77
Services billed 384 a service is one billed item, such as a visit, a test or a procedure
Average patient age56

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mainehealth

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2615 clinicians in the practice; 12 are shown here.

Other providers in Belfast