NPPES file of Aug 9, 2026

Marilyn I. Barr, M.D.

Family Medicine Physician · Mansfield, AR

Marilyn I. Barr, M.D. is a family medicine physician with a practice address in Mansfield, Arkansas, and NPI 1447286133, issued on Jun 24, 2006. Check the license (Arkansas C5810, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447286133
Name
Marilyn I. Barr
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
C5810 AR
Self-reported in NPPES; status is on the state search
Practice location
103 Huntington Ave, Mansfield, AR 72944
Phone
(479) 314-1131
Enumerated
Jun 24, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(479) 314-1194
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.
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Verify Marilyn I. Barr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license C5810
    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 Arkansas license search

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100% fewer Medicare Part D claims than the average family medicine physician in 2024

12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Marilyn Barr12
  2. Specialty average3,544

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.

Marilyn I. Barr among 1,681 family medicine physician records in Arkansas

Marilyn I. Barr, M.D. is one of 1,681 family medicine physician records with a practice address in Arkansas. 87% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 47% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 58% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 family medicine physician record lists a practice address in Mansfield

They are 1 of the 14 NPPES records with a practice address in Mansfield, and 1,681 family medicine physician records in Arkansas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Janet Guyer, M.D.Mountainburg, AR 729461003900549
  2. Kelli Rippy, M.D.Mulberry, AR 729471881773216
  3. Garreth Carrick, MDOzark, AR 729491083640122
  4. Michael Guyer, MDRatcliff, AR 729511801996392
  5. John Jacobs, M.D.Ratcliff, AR 729511780654053
  6. Charles Jones, M.D.Ratcliff, AR 729511124035993
  7. Charles Parker, M.D.Ratcliff, AR 729511568466274
  8. Thomas Tinsman, M.D.Hackett, AR 729371801893102

Common questions

What is Marilyn I. Barr, M.D.'s NPI number?

Marilyn I. Barr, M.D.'s National Provider Identifier (NPI) is 1447286133, issued on Jun 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn I. Barr, M.D. located?

The NPPES record lists a practice address at 103 Huntington Ave, Mansfield, AR, 72944. Phone: (479) 314-1131. Providers update this record themselves, so call before visiting.

How can I verify Marilyn I. Barr, M.D.'s license?

NPPES lists Arkansas license number C5810, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marilyn I. Barr, M.D. prescribe under Medicare Part D?

In 2024, Marilyn I. Barr, M.D. had 12 Medicare Part D claims; 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.