Kathleen A. Mercier, ANP
Adult Health Nurse Practitioner · Portland, ME
Kathleen A. Mercier, ANP is an adult health nurse practitioner with a practice address in Portland, Maine, and NPI 1790972032, issued on Oct 1, 2007. Check the license (Maine CNP81090, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen A. Mercier
- Credential
- ANP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- CNP81090 ME
Self-reported in NPPES; status is on the state search - Practice location
- 818 Congress St, Portland, ME 04102
- Phone
- (207) 773-8161
- Enumerated
- Oct 1, 2007
- Record last updated
- Aug 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (207) 773-8161
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 133 in Maine → Look up another NPI →
Also registered at 818 Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen A. Mercier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP81090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
504 Medicare Part D claims for 129 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Metoprolol Succinate83 claims
- Clopidogrel61 claims
- Isosorbide Mononitrate Er54 claims
- Atorvastatin Calcium37 claims
- Furosemide31 claims
- Nitroglycerin31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Kathleen A. Mercier among 133 adult health nurse practitioner records in Maine
Kathleen A. Mercier, ANP is one of 133 adult health nurse practitioner records with a practice address in Maine. 63% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 43% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Maine
There are 133 adult health nurse practitioner records in Maine.
All 133 in Maine → Every provider in Portland → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Michelle Carnes, ANPPortland, ME 041021689648487
- Ellen Farnsworth, NPPortland, ME 041021962481283
- Rachel Forbess, ANPPortland, ME 041021912028788
- Cindy Frost, RN, ANP-CPortland, ME 041021316032568
- Donna Gordon, ANP / FNPPortland, ME 041021639263064
- Marianne Harmon, ANPPortland, ME 041021518025543
- Pamela Lajeunesse, ANPPortland, ME 041021780742718
- Catherine Lapointe, NPPortland, ME 041021396863494
Common questions
What is Kathleen A. Mercier, ANP's NPI number?
Kathleen A. Mercier, ANP's National Provider Identifier (NPI) is 1790972032, issued on Oct 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen A. Mercier, ANP located?
The NPPES record lists a practice address at 818 Congress St, Portland, ME, 04102. Phone: (207) 773-8161. Providers update this record themselves, so call before visiting.
How can I verify Kathleen A. Mercier, ANP's license?
NPPES lists Maine license number CNP81090, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen A. Mercier, ANP prescribe under Medicare Part D?
In 2024, Kathleen A. Mercier, ANP had 504 Medicare Part D claims for 129 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
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.