NPPES file of Aug 9, 2026

Jeffrey A. Johnson, MD

Internal Medicine Physician · Hattiesburg, MS

Jeffrey A. Johnson, MD is an internal medicine physician with a practice address in Hattiesburg, Mississippi, and NPI 1275647117, issued on Aug 18, 2006. Check the license (Mississippi 13364, as entered in NPPES) on the Mississippi State Board of Medical Licensure; 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
1275647117
Name
Jeffrey A. Johnson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
13364 MS
Self-reported in NPPES; status is on the state search
Practice location
415 S 28TH Ave, Hattiesburg, MS 39401
Phone
(601) 579-5444
Enumerated
Aug 18, 2006
Record last updated
Jul 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(601) 579-5107
Medicaid IDs
1343234 LA
00111172 MS
Medicare enrollment
Enrolled (PECOS I20100506000407); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 1984
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 415 S 28TH Ave

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

  1. Ralph Abraham, MDSurgery Physician1013931674
  2. Logan AbramsPerfusionist1346803061
  3. William Adcock, AGACNPCritical Care Medicine Nurse Practitioner1225894264
  4. Mansoor Ahmad, MDHospitalist Physician1154096758
  5. Mohammed Ahmed, MDHospitalist Physician1942224514
  6. Muthanna Al-Ghuraibawi, M.D.Hospitalist Physician1811622665

Verify Jeffrey A. Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 13364
    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 Mississippi 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.8 times the Medicare Part D claims of the average internal medicine physician in 2024

12,095 Medicare Part D claims for 603 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 103 claims were for opioids.

  1. Jeffrey Johnson12,095
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium686 claims
  2. Amlodipine Besylate667 claims
  3. Losartan Potassium434 claims
  4. Gabapentin353 claims
  5. Irbesartan347 claims
  6. Metoprolol Succinate330 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: $130.88

7 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Johnson$130.88
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Forrest County General HospitalHattiesburg, MS
  2. Hattiesburg Clinic PAHattiesburg, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey A. Johnson among 972 internal medicine physician records in Mississippi

Jeffrey A. Johnson, MD is one of 972 internal medicine physician records with a practice address in Mississippi. 82% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 63% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1984 · median 2008 among the 585 with a school on file
  • Record last updated2020 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

46 internal medicine physician records list a practice address in Hattiesburg

They are 46 of the 2,569 NPPES records with a practice address in Hattiesburg, and 972 internal medicine physician records in Mississippi.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Akwasi Amponsah, M.D.Hattiesburg, MS 394011659362457
  2. Robert Brahan, MDHattiesburg, MS 394011881608586
  3. Orlando Burt, D.O.Hattiesburg, MS 394011598016222
  4. Richard Calderone, D.O.Hattiesburg, MS 394011215340286
  5. Quenyatta Echols-Williams, M.D.Hattiesburg, MS 394011255392841
  6. Daniel Edwards, M.D., PH.D.Hattiesburg, MS 394011982098026
  7. Charles Hernandez, DOHattiesburg, MS 394011942213103
  8. Irma Elizabeth Huayanay Espinoza, M.D.Hattiesburg, MS 394011447814595

Common questions

What is Jeffrey A. Johnson, MD's NPI number?

Jeffrey A. Johnson, MD's National Provider Identifier (NPI) is 1275647117, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey A. Johnson, MD located?

The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 579-5444. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey A. Johnson, MD's license?

NPPES lists Mississippi license number 13364, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jeffrey A. Johnson, MD prescribe under Medicare Part D?

In 2024, Jeffrey A. Johnson, MD had 12,095 Medicare Part D claims for 603 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.