Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Mary Ellen Mclain, PHARMACIST
Pharmacist in Harrison Township, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558576504
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Registry record
Entity type Individual (Type 1)
Name Mrs. Mary Ellen Mclain
Credential PHARMACIST
Sex Female
Practice address 26755 Ballard St, Harrison Township, MI, 48045
Phone (586) 466-5231
Fax (586) 466-5344
Enumeration date May 13, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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
What is the NPI number for Mary Mclain?
The National Provider Identifier (NPI) for Mary Mclain is 1558576504, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Mclain practice?
The practice location on file with NPPES is in Harrison Township, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → St. John Hospital and Medical Center Rehabilitation Hospital Unit · Harrison Twp, MI NPI 1801866942 St. John North Shores Emergency Physicians, P.C. Emergency Medicine Physician · Harrison Twp, MI NPI 1467407734 Shirley Sayles Pharmacist · Harrison Township, MI NPI 1477669224 Kathy Calabrese Certified Registered Nurse Anesthetist · Harrison Twp, MI NPI 1982780599 St John North Shores Emergency Physicians, P. C. Emergency Medicine Physician · Harrison Township, MI NPI 1376613638 Jennifer Litzenberg Athletic Trainer · Harrison Township, MI NPI 1598811614 St John Hospital and Medical Center Certified Registered Nurse Anesthetist · Harrison Township, MI NPI 1740312685 St. John North Shores Hospital Clinic/Center · Harrison Township, MI NPI 1295867133
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.