Gail Marie Libby, LCSW
Clinical Social Worker · Scarborough, ME
Gail Marie Libby, LCSW is a clinical social worker with a practice address in Scarborough, Maine, and NPI 1659438331, issued on Jan 2, 2007. Check the license (Maine LC5591, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gail Marie Libby
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LC5591 ME
Self-reported in NPPES; status is on the state search - Practice location
- 49 Spring St Ste 201, Scarborough, ME 04074
- Phone
- (207) 883-3491
- Enumerated
- Jan 2, 2007
- Record last updated
- Apr 23, 2025
- Fax
- (207) 618-5026
- Medicaid ID
- 205250000 ME
- Medicare enrollment
- Enrolled (PECOS I20100303000559); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 3,673 in Maine → Look up another NPI →
Also registered at 49 Spring St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamal Choudhary, MDInternal Medicine Physician1003565128
- Emily Hartnett, FNP-CFamily Nurse Practitioner1891441911
Verify Gail Marie Libby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license LC5591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gail Marie Libby among 3,673 clinical social worker records in Maine
Gail Marie Libby, LCSW is one of 3,673 clinical social worker records with a practice address in Maine. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 67% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1990 · median 2008 among the 939 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 clinical social worker records list a practice address in Scarborough
They are 69 of the 1,043 NPPES records with a practice address in Scarborough, and 3,673 clinical social worker records in Maine.
All 3,673 in Maine → Every provider in Scarborough → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Richard Bouchard, LCSWScarborough, ME 040741497791164
- Nancy Cuthbertson, LCSWScarborough, ME 040741407889900
- Cindy Daniels, LCSWScarborough, ME 040741053375733
- Betsey Davis, LCSWSanford, ME 040741275502452
- Judith Entwistle, LCSWScarborough, ME 040741184639528
- Lori-Ann Gato, LCSWScarborough, ME 040741356454573
- Chelsy GilroyScarborough, ME 040741528006772
- Warren Hathaway, LCSWScarborough, ME 040741750498648
Common questions
What is Gail Marie Libby, LCSW's NPI number?
Gail Marie Libby, LCSW's National Provider Identifier (NPI) is 1659438331, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gail Marie Libby, LCSW located?
The NPPES record lists a practice address at 49 Spring St Ste 201, Scarborough, ME, 04074. Phone: (207) 883-3491. Providers update this record themselves, so call before visiting.
How can I verify Gail Marie Libby, LCSW's license?
NPPES lists Maine license number LC5591, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
What is Gail Marie Libby, LCSW's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.