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

Dr. Steven M Mackay, DO

Individual provider Cardiovascular Disease Physician · NPI 1942254834

Dr. Steven M Mackay, DO is an Interventional Cardiology in Columbia, Missouri. Qualified in 1998, 28 years ago. Practices with Chas Physician Services LLC, a 22-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
28
Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1605 E Broadway Ste 300
Columbia, MO 65201-8023
Phone: (573) 256-7700
Fax: (573) 256-3003
Show map & directions

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

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 2021034001 (MO)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 2021034001 (MO)

Record details

NPI number1942254834
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 22, 2006
Last updated in NPPESFebruary 21, 2025
Certification dateFebruary 21, 2025
Mailing address1605 E Broadway Ste 300, Columbia, MO 65201-8023

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Chas Physician Services Llc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Columbia