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

Mrs. Diana Vandermast, FNP

Individual provider Family Nurse Practitioner · NPI 1669423349

Mrs. Diana Vandermast, FNP is a Nurse Practitioner in Sangerville, Maine. Qualified in 2004, 22 years ago. Practices with Mrh Corp, a 35-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
22
Licensed in
ME
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

22 Haley Ct
Sangerville, ME 04479-3000
Phone: (207) 876-4811
Fax: (207) 695-2329
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R048203 (ME)

Record details

NPI number1669423349
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMay 15, 2006
Last updated in NPPESAugust 31, 2015

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Mrh Corp — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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