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

Dr. John Hearn, MD, MA

Individual provider Forensic Psychiatry Physician · NPI 1912211343

Dr. John Hearn, MD, MA is a Psychiatry in Saint Louis, Missouri. Graduated from Louisiana State University School of Medicine in New Orleans in 2010, 16 years ago. Practices with Mercy ACO Clinical Services Inc, a 138-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
16
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
MO
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MA — Master of Arts
A graduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

1438 S Grand Blvd Dept OF
Saint Louis, MO 63104-1027
Phone: (314) 362-2462
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 2011034013 (MO)
Forensic Psychiatry Physician Taxonomy 2084F0202X · Licence 2011034013 (MO)

Record details

NPI number1912211343
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MA
Sole proprietorYes
NPI enumeratedJuly 27, 2010
Last updated in NPPESJanuary 12, 2021
Certification dateJanuary 12, 2021

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2010 (16 years in practice)
Group practice Mercy Aco Clinical Services Inc — 138 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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