John Jennings, MD
Emergency Medicine Physician · Hattiesburg, MS
John Jennings, MD is an emergency medicine physician with a practice address in Hattiesburg, Mississippi, and NPI 1457389140, issued on Jun 29, 2006. Check the license (Mississippi 11044, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John Jennings
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 11044 MS
Self-reported in NPPES; status is on the state search - Practice location
- 6051 Highway 49, Hattiesburg, MS 39401
- Phone
- (601) 288-7000
- Enumerated
- Jun 29, 2006
- Record last updated
- Sep 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid IDs
- 1325180 LA
06108051 MS - Medicare enrollment
- Enrolled (PECOS I20041005001034); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 515 in Mississippi → Look up another NPI →
Also registered at 6051 Highway 49
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Archer, MDEmergency Medicine Physician1902834690
- Patrick Charbonneau, MDEmergency Medicine Physician1720020373
- Curtis Cochran, NPAcute Care Nurse Practitioner1225249766
- Michael Farmer, DOEmergency Medicine Physician1326082835
- Eric Jordan, MDEmergency Medicine Physician1831129295
- Christie Ladner, FNPNurse Practitioner1922049980
Verify John Jennings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 11044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average emergency medicine physician in 2024
384 Medicare Part D claims for 179 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 60 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen41 claims
- Diltiazem 24hr Er (Cd)32 claims
- Doxycycline Hyclate32 claims
- Methocarbamol20 claims
- Cefadroxil15 claims
- Cefdinir15 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 MIPS final score for 2023 (Medicare payment program): 56.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $151.66
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 12,335 providers of this specialty with any payment received $953.79 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
- Relias Emergency Medicine Specialists OF Hattiesburg LLCHattiesburg, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Jennings among 515 emergency medicine physician records in Mississippi
John Jennings, MD is one of 515 emergency medicine physician records with a practice address in Mississippi. 83% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 66% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 2011 among the 339 with a school on file
- Record last updated2010 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 emergency medicine physician records list a practice address in Hattiesburg
They are 43 of the 2,569 NPPES records with a practice address in Hattiesburg, and 515 emergency medicine physician records in Mississippi.
All 515 in Mississippi → Every provider in Hattiesburg → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Archer, MDHattiesburg, MS 394011902834690
- Patrick Charbonneau, MDHattiesburg, MS 394011720020373
- Michael Farmer, DOHattiesburg, MS 394011326082835
- Billy Jefferson, DOHattiesburg, MS 394011407423809
- Eric Jordan, MDHattiesburg, MS 394011831129295
- Martin Lott, MDHattiesburg, MS 394011225079288
- Frederick Martin, MDHattiesburg, MS 394011912948803
- Robert Owen, M.D.Hattiesburg, MS 394011073544615
Common questions
What is John Jennings, MD's NPI number?
John Jennings, MD's National Provider Identifier (NPI) is 1457389140, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Jennings, MD located?
The NPPES record lists a practice address at 6051 Highway 49, Hattiesburg, MS, 39401. Phone: (601) 288-7000. Providers update this record themselves, so call before visiting.
How can I verify John Jennings, MD's license?
NPPES lists Mississippi license number 11044, 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 John Jennings, MD prescribe under Medicare Part D?
In 2024, John Jennings, MD had 384 Medicare Part D claims for 179 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John Jennings, MD's MIPS final score?
The 2023 MIPS final score is 56.3 of 100. 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.