Barton L. Warren, M.D.
Family Medicine Physician · Richland, MO
Barton L. Warren, M.D. is a family medicine physician with a practice address in Richland, Missouri, and NPI 1376674408, issued on Mar 8, 2007. Check the license (Missouri MDR9E91, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Barton L. Warren
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MDR9E91 MO
Self-reported in NPPES; status is on the state search - Practice location
- 304 W Washington Ave, Richland, MO 65556
- Phone
- (573) 765-5131
- Enumerated
- Mar 8, 2007
- Record last updated
- Apr 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (573) 765-3122
- Medicaid ID
- 202393104 MO
- Medicare enrollment
- Enrolled (PECOS I20120423000620); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 304 W Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristi Atkins, CNP-FFamily Nurse Practitioner1114427556
- Kelvin Bailey, MDFamily Medicine Physician1356353676
- John Carson, D.O.Family Medicine Physician1164425575
- Amanda Cummings, DDSGeneral Practice Dentistry1174215313
- Elizabeth Ewers Teel, PH.D.Clinical Child & Adolescent Psychologist1134256910
- Danielle Fowers, NPPsychiatric/Mental Health Nurse Practitioner1205437126
Verify Barton L. Warren 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 MDR9E91Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average family medicine physician in 2024
16,112 Medicare Part D claims for 482 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 373 claims were for opioids.
Most prescribed
- Atorvastatin Calcium707 claims
- Levothyroxine Sodium563 claims
- Lisinopril536 claims
- Amlodipine Besylate458 claims
- Pantoprazole Sodium404 claims
- Furosemide401 claims
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.
Industry payments in 2024: $85.94
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Richland Medical Center, Inc.Crocker, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barton L. Warren among 2,991 family medicine physician records in Missouri
Barton L. Warren, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% 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 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1984 · median 2006 among the 1,778 with a school on file
- Record last updated2012 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Richland
They are 4 of the 47 NPPES records with a practice address in Richland, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Richland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kelvin Bailey, MDRichland, MO 655561356353676
- John Carson, D.O.Richland, MO 655561164425575
- Daniel Schmidt, M.D.Richland, MO 655561356472476
- Grace Beaumont, MDSaint James, MO 655591700935459
- Tiffany BlandSaint James, MO 655591447755848
- Rachelle Gorrell, D.O.Saint James, MO 655591336114800
- Gregory Maynard, D.O.Saint James, MO 655591063450187
- Jennifer O'Malley, M.D,Saint James, MO 655591831458033
Common questions
What is Barton L. Warren, M.D.'s NPI number?
Barton L. Warren, M.D.'s National Provider Identifier (NPI) is 1376674408, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Barton L. Warren, M.D. located?
The NPPES record lists a practice address at 304 W Washington Ave, Richland, MO, 65556. Phone: (573) 765-5131. Providers update this record themselves, so call before visiting.
How can I verify Barton L. Warren, M.D.'s license?
NPPES lists Missouri license number MDR9E91, 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 Barton L. Warren, M.D. prescribe under Medicare Part D?
In 2024, Barton L. Warren, M.D. had 16,112 Medicare Part D claims for 482 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.