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

Margaret Ann Lewis

Individual provider Family Nurse Practitioner · NPI 1740991389

Margaret Ann Lewis is a Nurse Practitioner in Malvern, Pennsylvania. Graduated from Jefferson Medical College of Thomas Jefferson University in 2020, 6 years ago. Practices with Regional Gastroenterology Associates of Lancaster, Ltd, a 251-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
6
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
PA
In the registry since
2022
Specialties on file
2
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Practice location Address checks out

325 Central Ave Ste 200
Malvern, PA 19355-3265
Phone: (610) 644-6755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence SP023866 (PA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence SP023866 (PA)

Record details

NPI number1740991389
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedDecember 5, 2022
Last updated in NPPESSeptember 22, 2023
Certification dateSeptember 22, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2020 (6 years in practice)
Group practice Regional Gastroenterology Associates Of Lancaster, Ltd. — 251 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Malvern