Ronald Lee Pearson, DO
Emergency Medicine Physician · Ballwin, MO
Ronald Lee Pearson, DO is an emergency medicine physician with a practice address in Ballwin, Missouri, and NPI 1831228782, issued on Mar 5, 2007. Check the license (Missouri 118428, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Ronald Lee Pearson
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 118428 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1669 Carman RD, Ballwin, MO 63021
- Phone
- (636) 207-8738
- Enumerated
- Mar 5, 2007
- Record last updated
- Mar 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100327000237); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1983
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Verify Ronald Lee Pearson 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 118428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
44 Medicare Part D claims for 29 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southeastern Emergency Physicians OF Memphis LLCFarmington, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Lee Pearson among 1,405 emergency medicine physician records in Missouri
Ronald Lee Pearson, DO is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1983 · median 2012 among the 808 with a school on file
- Record last updated2012 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Missouri
There are 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Ballwin → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jack Simons, D.O.Manchester, MO 630211902020936
- Rachel Edwards, MDCrystal City, MO 630191144268996
- Robert Evens, MDCrystal City, MO 630191073556700
- Ravi Kotha, MDCrystal City, MO 630191770526584
- Brian Lenz, MDCrystal City, MO 630191548203268
- Peter McCarthy, MDCrystal City, MO 630191457394173
- Earl Scott, MDCrystal City, MO 630191356384093
- Sara Taylor, PA-CCrystal City, MO 630191497929830
Common questions
What is Ronald Lee Pearson, DO's NPI number?
Ronald Lee Pearson, DO's National Provider Identifier (NPI) is 1831228782, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Lee Pearson, DO located?
The NPPES record lists a practice address at 1669 Carman RD, Ballwin, MO, 63021. Phone: (636) 207-8738. Providers update this record themselves, so call before visiting.
How can I verify Ronald Lee Pearson, DO's license?
NPPES lists Missouri license number 118428, 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.
How much does Ronald Lee Pearson, DO prescribe under Medicare Part D?
In 2024, Ronald Lee Pearson, DO had 44 Medicare Part D claims for 29 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.