Seth Matthew Harris, DO
Pediatric Cardiology Physician · Saint Louis, MO
Seth Matthew Harris, DO is a pediatric cardiology physician with a practice address in Saint Louis, Missouri, and NPI 1740711217, issued on Mar 25, 2017. Check the license (Missouri 2021013354, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Seth Matthew Harris
- Credential
- DO
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- 2021013354 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 454-6095
- Enumerated
- Mar 25, 2017
- Record last updated
- Feb 9, 2026
- Fax
- (314) 884-6008
- Medicaid ID
- 200096381 MO
- Medicare enrollment
- Enrolled (PECOS I20240621002850); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2017
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 123 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelbaki, MDPediatric Hematology & Oncology Physician1508021361
- Christi Abeln, PNPPediatric Nurse Practitioner1023034253
- Loren Abernathy, PNPPediatric Nurse Practitioner1215583117
- Freddy-May Abisamra, CGCGenetic Counselor (M.S.)1306538111
- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify Seth Matthew Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2021013354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 hospitals and group practices
- Saint Francis Medical CenterCape Girardeau, MO · Acute Care Hospitals3 of 5 stars
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Seth Matthew Harris among 123 pediatric cardiology physician records in Missouri
Seth Matthew Harris, DO is one of 123 pediatric cardiology physician records with a practice address in Missouri. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 18% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2017 · median 2009 among the 60 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Missouri
There are 123 pediatric cardiology physician records in Missouri.
All 123 in Missouri → Every provider in Saint Louis → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- David Balzer, MDSaint Louis, MO 631101134147572
- Priya Bhat, MDSaint Louis, MO 631101659428522
- Charles Canter, MDSaint Louis, MO 631101063453504
- Mayte Figueroa, MDSaint Louis, MO 631101609986199
- Andrew Glatz, MDSaint Louis, MO 631101053496463
- Ronald Grady, MDSaint Louis, MO 631101821036716
- Patrick Jay, MDSaint Louis, MO 631101447241336
- Mark Johnson, MDSaint Louis, MO 631101497796957
Common questions
What is Seth Matthew Harris, DO's NPI number?
Seth Matthew Harris, DO's National Provider Identifier (NPI) is 1740711217, issued on Mar 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Seth Matthew Harris, DO located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 454-6095. Providers update this record themselves, so call before visiting.
How can I verify Seth Matthew Harris, DO's license?
NPPES lists Missouri license number 2021013354, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.