Theodore Mahler Barnett, M.D.
Pediatric Emergency Medicine (Pediatrics) Physician · Kansas City, MO
Theodore Mahler Barnett, M.D. is a pediatric emergency medicine (pediatrics) physician with a practice address in Kansas City, Missouri, and NPI 1861438640, issued on Jun 21, 2006. Check the license (Missouri R3J31, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Theodore Mahler Barnett
- Credential
- M.D.
- Primary taxonomy
- Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X
- License numbers
- R3J31 MO
04-22591 KS
Self-reported in NPPES; status is on the state search - Practice location
- 2401 Gillham RD, Kansas City, MO 64108
- Phone
- (816) 234-3000
- Enumerated
- Jun 21, 2006
- Record last updated
- Dec 5, 2025
- Fax
- (816) 302-9939
- Medicaid ID
- 202905808 MO
- Medicare enrollment
- Enrolled (PECOS I20040422000446); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric emergency medicine (pediatrics) physician records → All 120 in Missouri → Look up another NPI →
Also registered at 2401 Gillham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Aalbers, D.O.Neurology with Special Qualifications in Child Neurology Physician1740584747
- Ruba Abdelhadi, MDPediatric Gastroenterology Physician1184824179
- Ahmed AbdelmoityNeurology with Special Qualifications in Child Neurology Physician1992754337
- Imane Abdelmoumen, M.D.Neurology with Special Qualifications in Child Neurology Physician1518348051
- Shahab Abdessalam, MDSurgical Oncology Physician1174697502
- Mohamed Aashiq Abdul Ghayum, M.D.Pediatrics Physician1881211985
Verify Theodore Mahler Barnett 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 R3J31Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Childrens Mercy HospitalKansas City, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodore Mahler Barnett among 120 pediatric emergency medicine (pediatrics) physician records in Missouri
Theodore Mahler Barnett, M.D. is one of 120 pediatric emergency medicine (pediatrics) physician records with a practice address in Missouri. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 70% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated1981 · median 2015 among the 36 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0204X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Emergency Medicine (Pediatrics) Physician providers in Missouri
There are 120 pediatric emergency medicine (pediatrics) physician records in Missouri.
All 120 in Missouri → Every provider in Kansas City → Pediatric Emergency Medicine (Pediatrics) Physician nationwide →
The 8 pediatric emergency medicine (pediatrics) physician records with the nearest ZIP codes
- Mala Bhagat, MDKansas City, MO 641081871550095
- Joan Giovanni, MDKansas City, MO 641081245289776
- Mary Hegenbarth, M.D.Kansas City, MO 641081457307415
- Timothy Johnson, D.O.Kansas City, MO 641081982682761
- James Kelly, MDKansas City, MO 641081306896824
- Christopher Kennedy, M.D.Kansas City, MO 641081457318800
- Jane Knapp, M.D.Kansas City, MO 641081285684266
- Melissa Miller, MDKansas City, MO 641081174573786
Common questions
What is Theodore Mahler Barnett, M.D.'s NPI number?
Theodore Mahler Barnett, M.D.'s National Provider Identifier (NPI) is 1861438640, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Mahler Barnett, M.D. located?
The NPPES record lists a practice address at 2401 Gillham RD, Kansas City, MO, 64108. Phone: (816) 234-3000. Providers update this record themselves, so call before visiting.
How can I verify Theodore Mahler Barnett, M.D.'s license?
NPPES lists Missouri license number R3J31, 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.