Lucy A. Mack, FNP
Family Nurse Practitioner · Portland, ME
Lucy A. Mack, FNP is a family nurse practitioner with a practice address in Portland, Maine, and NPI 1013955673, issued on Jun 3, 2006. Check the license (Maine CNP81279, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lucy A. Mack
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CNP81279 ME
Self-reported in NPPES; status is on the state search - Practice location
- 161 Marginal Way, Portland, ME 04101
- Phone
- (207) 773-7964
- Enumerated
- Jun 3, 2006
- Record last updated
- Mar 7, 2024
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,274 in Maine → Look up another NPI →
Also registered at 161 Marginal Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lucy A. Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP81279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family nurse practitioner in 2024
82 Medicare Part D claims for 44 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Omeprazole20 claims
- Linzess16 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.
Industry payments in 2024: $50.41
2 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lucy A. Mack among 1,274 family nurse practitioner records in Maine
Lucy A. Mack, FNP is one of 1,274 family nurse practitioner records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 family nurse practitioner records list a practice address in Portland
They are 135 of the 6,022 NPPES records with a practice address in Portland, and 1,274 family nurse practitioner records in Maine.
All 1,274 in Maine → Every provider in Portland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kathleen Brown, ANPPortland, ME 041011114020179
- Stephanie Chin, FNP-BC, APRN-CNPPortland, ME 041011447303961
- Melanie Connors, FNPPortland, ME 041011497881833
- Kristen Ellensohn, APRN FNPPortland, ME 041011689618563
- Carol Freshley, FNPPortland, ME 041011043652779
- Katherine Gilbert, FNPPortland, ME 041011154390847
- Dale Harrison, FNPPortland, ME 041011467574772
- Amy Hinshaw, FNPPortland, ME 041011659616159
Common questions
What is Lucy A. Mack, FNP's NPI number?
Lucy A. Mack, FNP's National Provider Identifier (NPI) is 1013955673, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lucy A. Mack, FNP located?
The NPPES record lists a practice address at 161 Marginal Way, Portland, ME, 04101. Phone: (207) 773-7964. Providers update this record themselves, so call before visiting.
How can I verify Lucy A. Mack, FNP's license?
NPPES lists Maine license number CNP81279, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Lucy A. Mack, FNP prescribe under Medicare Part D?
In 2024, Lucy A. Mack, FNP had 82 Medicare Part D claims for 44 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.