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

Dr. Seth Matthew Harris, DO

Individual provider Pediatrics Physician · NPI 1740711217

Dr. Seth Matthew Harris, DO is a Pediatric Medicine in Saint Louis, Missouri. Graduated from Michigan State University College of Osteopathic Medicine in 2017, 9 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
9
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MO
In the registry since
2017
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

1 Childrens Pl Div Ped Cardiology
Saint Louis, MO 63110-1002
Phone: (314) 454-6095
Fax: (314) 884-6008
Show map & directions

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

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 2021013354 (MO)
Pediatrics Physician Taxonomy 208000000X · Licence 2021013354 (MO)

Record details

NPI number1740711217
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 25, 2017
Last updated in NPPESFebruary 9, 2026
Certification dateJuly 26, 2021

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2017 (9 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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