Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mackinleigh Isherwood, PHARMD
Pharmacist in Westbrook, ME · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861275687
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Registry record
Entity type Individual (Type 1)
Name Mackinleigh Isherwood
Credential PHARMD
Sex Female
Practice address 340 County Rd, Westbrook, ME, 04092
Phone (207) 662-1800
Enumeration date Aug 15, 2023
Last updated in NPPES Aug 15, 2023
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Mackinleigh Isherwood practice?
The practice location on file with NPPES is in Westbrook, ME. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mackinleigh Isherwood?
The National Provider Identifier (NPI) for Mackinleigh Isherwood is 1861275687, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Mainehealth Community/Retail Pharmacy · Westbrook, ME NPI 1437723822 Jeremy Vuong Pharmacist · Westbrook, ME NPI 1598585002 Ashley Adams Pharmacist · Westbrook, ME NPI 1225910953 Aaron Thibeault Ambulatory Care Pharmacist · Westbrook, ME NPI 1568318152 Mainehealth Home Infusion Therapy Pharmacy · Westbrook, ME NPI 1952225542
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-15.