Registry data as of Aug 27, 2026

Barton Warren, M.D.

Family Medicine Physician · Richland, MO

Barton 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376674408
Name
Barton 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 304 W Washington Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristi Atkins, CNP-FFamily Nurse Practitioner1114427556
  2. Kelvin Bailey, MDFamily Medicine Physician1356353676
  3. John Carson, D.O.Family Medicine Physician1164425575
  4. Amanda Cummings, DDSGeneral Practice Dentistry1174215313
  5. Elizabeth Ewers Teel, PH.D.Clinical Child & Adolescent Psychologist1134256910
  6. Danielle Fowers, NPPsychiatric/Mental Health Nurse Practitioner1205437126

Verify Barton Warren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license MDR9E91
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

4.6 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 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 373 claims were for opioids.

  1. Barton Warren16,112
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium707 claims
  2. Levothyroxine Sodium563 claims
  3. Lisinopril536 claims
  4. Amlodipine Besylate458 claims
  5. Pantoprazole Sodium404 claims
  6. 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, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Barton Warren$85.94
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Richland Medical Center, Inc.Crocker, MO

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

4 family medicine physician records list a Richland practice address

They are 4 of the 47 NPPES records with a Richland practice address, and 2,920 family medicine physician records in Missouri.

Other family medicine physician records in Missouri

  1. Mohammad Abbas, DOKirksville, MO1518537679
  2. Karam Abdelmasih, MD, APFestus, MO1093288508
  3. Afsheen Abdullah Patel, MDLees Summit, MO1598070377
  4. Christopher Abercrombie, DOArnold, MO1093787558
  5. Avery Abernathy, D.O.Kansas City, MO1013207836
  6. Kristia Abernathy, MDSaint Louis, MO1710545405
  7. Grant Abkemeier, DOColumbia, MO1922933712
  8. Beatrice Abraham, DOLebanon, MO1861056004
  9. John Abraham, M.D.Springfield, MO1760595136
  10. Samer Abu-Amer, M.D.Independence, MO1154880474

Common questions

What is Barton Warren, M.D.'s NPI number?

Barton 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 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 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 Warren, M.D. prescribe under Medicare Part D?

In 2024, Barton Warren, M.D. had 16,112 Medicare Part D claims for 482 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.