IndividualActive
Mary Libby, NP
NPI 1366486383 · Nurse Practitioner · Westbrook, ME
Mary Libby, NP is a Nurse Practitioner provider in Westbrook, ME (NPI 1366486383).
Provider details
- NPI number
- 1366486383
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- R035022 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
40 Park Rd
Westbrook, ME 04092-3188
Phone: (207) 857-8410
Street-level locationGet directions
Mailing address
144 State St
Portland, ME 04101-3776
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2013-01-23
Frequently asked questions
- What is Mary Libby's NPI number?
- Mary Libby's National Provider Identifier (NPI) is 1366486383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Libby's specialty?
- Mary Libby is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Libby located?
- Mary Libby's practice location on file with NPPES is 40 Park Rd, Westbrook, ME 04092-3188.
- What is Mary Libby's phone number?
- The practice phone number listed in the NPPES registry for Mary Libby is (207) 857-8410.
- Is Mary Libby's NPI active?
- Yes — Mary Libby's NPI (1366486383) is active in the NPPES registry as of the last update on 2013-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.