Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alison Lee Mercier, MD

Individual provider Geriatric Medicine (Family Medicine) Physician · NPI 1811481997

Alison Lee Mercier, MD is a Family Practice in Lancaster, Pennsylvania. Qualified in 2018, 8 years ago. Practices with Lancaster General Hospital, a 518-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
8
Licensed in
PA
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2112 Harrisburg Pike Ste 312
Lancaster, PA 17601-2644
Phone: (802) 999-6433
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Family Medicine) Physician (primary) Taxonomy 207QG0300X · Licence MD486393 (PA)

Record details

NPI number1811481997
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2018
Last updated in NPPESSeptember 11, 2025
Certification dateNovember 4, 2024
Mailing address2112 Harrisburg Pike, Ste 312, Lancaster, PA 17601-2644

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Lancaster General Hospital — 518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Lancaster