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

Dr. John Louis Heafner, MD

Individual provider Family Medicine Physician · NPI 1255821906

Dr. John Louis Heafner, MD is a Family Practice in Arnold, Missouri. Graduated from Saint Louis University School of Medicine in 2014, 12 years ago. Practices with Compass Health Inc, a 320-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

148 Richardson Xing
Arnold, MO 63010-6023
Phone: (844) 853-8937
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2021017152 (MO)

Record details

NPI number1255821906
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2018
Last updated in NPPESMay 6, 2026
Certification dateMay 6, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Compass Health Inc — 320 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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