MARY LIBBY (NP) – Nurse Practitioner, NPI 1366486383

MARY LIBBY (NP) is a healthcare provider. based in Portland, Maine. specializing in Nurse Practitioner. They hold the professional credentials NP. They hold a License No. R035022 (ME). The NPI Number for MARY LIBBY (NP) is 1366486383

Main info

Female
Name
MARY LIBBY (NP)
NPI
1366486383
Phone
(207) 879-3000
Address
144 STATE ST
Enumeration Date
16 June 2006
Last Update Date
23 January 2013
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MARY LIBBY (NP)

  • Mercy Hospital, 144, State Street, Old Port, Portland, Cumberland County, Maine, 04102, United States

    PORTLAND, ME 041013776

    Phone: (207) 879-3000

    Type: Mailing

  • Mercy Westbrook, 40, Park Road, Westbrook, Cumberland County, Maine, 04092, United States

    WESTBROOK, ME 040923188

    Phone: (207) 857-8410

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 04101)

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Reviews

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Frequently asked questions

Is MARY LIBBY (NP) listed with a National Provider Identifier?
Yes — MARY LIBBY (NP) has NPI 1366486383 on file in the registry.
Active or inactive — what applies to MARY LIBBY (NP)?
You should see MARY LIBBY (NP) as active in CMS-hosted NPPES data.
What area of care is associated with MARY LIBBY (NP)?
MARY LIBBY (NP)'s record emphasizes Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where in Maine is MARY LIBBY (NP) registered?
Use Portland, Maine as the headline location for MARY LIBBY (NP) here.
Can I trust this NPI listing for MARY LIBBY (NP)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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