Samuel A. Johnson, MD
Specialist · Columbus, MS
Samuel A. Johnson, MD is a specialist with a practice address in Columbus, Mississippi, and NPI 1083638217, issued on Jul 27, 2006. Check the license (Mississippi 13781, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samuel A. Johnson
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 13781 MS
Self-reported in NPPES; status is on the state search - Practice location
- 600 Leigh Dr, Columbus, MS 39705
- Phone
- (662) 327-7525
- Enumerated
- Jul 27, 2006
- Record last updated
- Jan 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (662) 243-2252
- Medicaid ID
- 00114403 MS
- Medicare enrollment
- Enrolled (PECOS I20040621001501); accepts Medicare assignment
- Medical or professional school
- Brody School Of Medicine At East Carolina University, 1989
- Entity
- Type 1 · individual
8 nearest specialist records → All 220 in Mississippi → Look up another NPI →
Also registered at 600 Leigh Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Abrams, CFNPNurse Practitioner1376620849
- Micah Banks, CFNPFamily Nurse Practitioner1164948105
- Amber Brasfield, NPFamily Nurse Practitioner1821584673
- Elizabeth Fountain, ANP-CAdult Health Nurse Practitioner1700220969
- Mary Garner, M.D.Anatomic Pathology & Clinical Pathology Physician1437346962
- Kayla Grey, APRNRegistered Nurse1417767344
Verify Samuel A. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license 13781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average specialist in 2024
3,019 Medicare Part D claims for 901 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Pantoprazole Sodium610 claims
- Famotidine427 claims
- Omeprazole399 claims
- Sod Sulf-Potass Sulf-Mag Sulf201 claims
- Linzess130 claims
- Gavilyte-G111 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,395.97
77 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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
- Gastroenterology Associates OF Columbus, PAColumbus, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel A. Johnson among 220 specialist records in Mississippi
Samuel A. Johnson, MD is one of 220 specialist records with a practice address in Mississippi. 36% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 44% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1989 · median 1991 among the 60 with a school on file
- Record last updated2012 · 89% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Mississippi
There are 220 specialist records in Mississippi.
All 220 in Mississippi → Every provider in Columbus → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- John Atkins, CRNAColumbus, MS 397051164520425
- Mark Burtman, M.D.Columbus, MS 397051790752681
- Reynolds McCain, M.D.Columbus, MS 397051922111459
- James Rawson, MDColumbus, MS 397051659380673
- Michael White, MDColumbus, MS 397051730181520
- Alan Williams, MDColumbus, MS 397051215951439
- Shailesh Patel, M.D.Ackerman, MS 397351316911837
- Lori Taylor, OTWoodville, MS 396691255429924
Common questions
What is Samuel A. Johnson, MD's NPI number?
Samuel A. Johnson, MD's National Provider Identifier (NPI) is 1083638217, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Samuel A. Johnson, MD located?
The NPPES record lists a practice address at 600 Leigh Dr, Columbus, MS, 39705. Phone: (662) 327-7525. Providers update this record themselves, so call before visiting.
How can I verify Samuel A. Johnson, MD's license?
NPPES lists Mississippi license number 13781, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Samuel A. Johnson, MD prescribe under Medicare Part D?
In 2024, Samuel A. Johnson, MD had 3,019 Medicare Part D claims for 901 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Samuel A. Johnson, MD's MIPS final score?
The 2023 MIPS final score is 83.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.