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

Mark A Mason, MD

Individual provider Emergency Medicine Physician · NPI 1134167091

Mark A Mason, MD is an Emergency Medicine in Kirkwood, Missouri. Graduated from University of Michigan Medical School in 1985, 41 years ago. Practices with SSM Health Care Group, a 923-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
41
Trained at
University of Michigan Medical School
Licensed in
MO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

525 Couch Ave
Kirkwood, MO 63122-5536
Phone: (314) 966-1500
Fax: (314) 966-1681
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 102434 (MO)

Record details

NPI number1134167091
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2006
Last updated in NPPESSeptember 26, 2014
Mailing address1836 Lackland Hill Pkwy, Attention: Credentialing Department, Saint Louis, MO 63146-3572

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1985 (41 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

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