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

Margaret Hennessey, PA

Individual provider Medical Physician Assistant · NPI 1982116414

Margaret Hennessey, PA is a Physician Assistant in Saint Louis, Missouri. Graduated from Medical University of South Carolina College of Medicine in 2017, 9 years ago. Practices with SSM Health Care Group, a 923-clinician group and accepts Medicare assignment.

Years since qualifying
9
Trained at
Medical University of South Carolina College of Medicine
In the registry since
2017
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3635 Vista Ave
Saint Louis, MO 63110-2539
Phone: (314) 577-8000
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

Medical Physician Assistant (primary) Taxonomy 363AM0700X

Record details

NPI number1982116414
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedOctober 24, 2017
Last updated in NPPESOctober 24, 2017

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Ssm Health Care Group — 923 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Saint Louis