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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ELLEN H THOMAS MD.
NPI 1700834157
Pediatrics - Adolescent Medicine in Columbia, MO

Active since May 05, 2006
401 KEENE ST, COLUMBIA, MO 65201(573) 876-1620(573) 876-1663 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Nov 5, 2021 (2 updates tracked since 2021).

About Ellen H Thomas Md. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELLEN H THOMAS MD. (NPI 1700834157) is an individual adolescent medicine provider in Columbia, Missouri, licensed in Missouri (114469) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1700834157
Entity TypeIndividualFemale
Primary Taxonomy2080A0000X
Provider Legal NameELLEN H THOMASCredential: MD.
Location Address401 KEENE STColumbia, MO 65201-6625
Mailing Address401 Keene StColumbia, MO 65201-6625 · (573) 876-1620 · Fax (573) 876-1663
Phone(573) 876-1620
Fax(573) 876-1663
Sole ProprietorNo
Enumeration DateMay 5, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1700834157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in MO · 114469
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
401 KEENE ST, Columbia, MO 65201
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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LYLE G. BREEDING, MD, FACS, PC
Surgery (Vascular Surgery)
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 874-3300
LAURA N WEIDT M.D.
Pediatrics (Adolescent Medicine)
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 876-1620
TRISHA ALANE TAYLOR MD
Dermatology
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 876-1616
DR. THOMAS CIOLINO MD
Internal Medicine
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 874-3300
HOLLY H BONDURANT M.D.
Pediatrics (Adolescent Medicine)
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 876-1620
PAULA R STUEBBEN M.D.
Pediatrics (Adolescent Medicine)
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 876-1620
LINDALL A PERRY M.D.
Dermatology (MOHS-Micrographic Surgery)
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 876-1616
DONALD M DELWOOD M.D.
Internal Medicine
401 KEENE ST
COLUMBIA, MO 65201
Boone County (573) 876-1666

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ellen Thomas's NPI number?

The NPI number for Ellen Thomas is 1700834157. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Ellen Thomas located?

Ellen Thomas practices at 401 Keene St, Columbia, MO 65201. The listed phone number is (573) 876-1620.

What is Ellen Thomas's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

When was this NPI record last updated?

The NPPES record for Ellen Thomas was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.