NPPES file of Aug 9, 2026

John Leon Overby, MD

Family Medicine Physician · Jonesboro, LA

John Leon Overby, MD is a family medicine physician with a practice address in Jonesboro, Louisiana, and NPI 1770559965, issued on Feb 27, 2006. Check the license (Louisiana 009015, as entered in NPPES) on the Louisiana State Board of Medical Examiners; 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
1770559965
Name
John Leon Overby
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
009015 LA
Self-reported in NPPES; status is on the state search
Practice location
121 Watts St, Jonesboro, LA 71251
Phone
(318) 395-3051
Enumerated
Feb 27, 2006
Record last updated
Jul 8, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(318) 395-3052
Medicaid ID
1094315 LA
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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Also registered at 121 Watts St

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

  1. Sean Hays, MDFamily Medicine Physician1912174244
  2. Candice Leach, FNP-CFamily Nurse Practitioner1568844728
  3. Sheila Mariano, M.D.Internal Medicine Physician1104896919
  4. Dionne Nolan, D.P.M.Podiatrist1104897446
  5. Tonya Slusher, MDPediatrics Physician1518937259

Verify John Leon Overby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 009015
    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 Louisiana 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.

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

48 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. John Overby48
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate11 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.

John Leon Overby among 1,728 family medicine physician records in Louisiana

John Leon Overby, MD is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 56% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2010 · 61% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 family medicine physician records list a practice address in Jonesboro

They are 5 of the 165 NPPES records with a practice address in Jonesboro, and 1,728 family medicine physician records in Louisiana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Rebecca Crouch, M.D.Jonesboro, LA 712511659383545
  2. Sean Hays, MDJonesboro, LA 712511912174244
  3. Bryan Rosedale, MDJonesboro, LA 712511063623502
  4. William Slusher, M.D.Jonesboro, LA 712511649240383
  5. Donovan Bailey, M.D.Lake Providence, LA 712541790767481
  6. Kay KovacLake Providence, LA 712541326159450
  7. Dana Pippin, DOLake Providence, LA 712541245856053
  8. Clayton Branton, MDFarmerville, LA 712411669934857

Common questions

What is John Leon Overby, MD's NPI number?

John Leon Overby, MD's National Provider Identifier (NPI) is 1770559965, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Leon Overby, MD located?

The NPPES record lists a practice address at 121 Watts St, Jonesboro, LA, 71251. Phone: (318) 395-3051. Providers update this record themselves, so call before visiting.

How can I verify John Leon Overby, MD's license?

NPPES lists Louisiana license number 009015, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Leon Overby, MD prescribe under Medicare Part D?

In 2024, John Leon Overby, MD had 48 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.