Jeffrey W. Dennis, MD
Internal Medicine Physician · Oxford, MS
Jeffrey W. Dennis, MD is an internal medicine physician with a practice address in Oxford, Mississippi, and NPI 1386750909, issued on Aug 23, 2006. Check the license (Mississippi 17434, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jeffrey W. Dennis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17434 MS
Self-reported in NPPES; status is on the state search - Practice location
- 551 Azalea Dr, Oxford, MS 38655
- Phone
- (662) 234-0332
- Enumerated
- Aug 23, 2006
- Record last updated
- Apr 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (662) 234-2891
- Medicaid ID
- 126004 MS
- Medicare enrollment
- Enrolled (PECOS I20100720000607); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 551 Azalea Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frederick Carlton, FNP-BCFamily Nurse Practitioner1871215970
- Kathryn Elliott, WHNPWomen's Health Nurse Practitioner1023109089
- Margaret Embry, RN, MSN, CFNPFamily Nurse Practitioner1386843407
- Anitha GondhiEndocrinology, Diabetes & Metabolism Physician1245793470
- Charles Hill, MDInternal Medicine Physician1871600189
- Milton Hobbs, MDInternal Medicine Physician1801902309
Verify Jeffrey W. Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 17434Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.9 times the Medicare Part D claims of the average internal medicine physician in 2024
21,809 Medicare Part D claims for 1,250 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 192 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium1,566 claims
- Amlodipine Besylate1,251 claims
- Losartan Potassium1,075 claims
- Atorvastatin Calcium992 claims
- Levothyroxine Sodium917 claims
- Famotidine521 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: $1,989.41
124 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, 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.
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
- Internal Medicine Associates OF OxfordOxford, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey W. Dennis among 972 internal medicine physician records in Mississippi
Jeffrey W. Dennis, 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
- Graduated1999 · median 2008 among the 585 with a school on file
- Record last updated2013 · 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).
22 internal medicine physician records list a practice address in Oxford
They are 22 of the 1,418 NPPES records with a practice address in Oxford, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Oxford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ala Alkofahi, MDOxford, MS 386551487148987
- Samuel Harris, M.D.Oxford, MS 386551558719625
- Charles Hill, MDOxford, MS 386551871600189
- Milton Hobbs, MDOxford, MS 386551801902309
- Brett Lampton, MDOxford, MS 386551295828614
- Odalys Lara Garcia, MDOxford, MS 386551669958799
- Jonathan Massey, MDOxford, MS 386551699745133
- Cooper McIntosh, MDOxford, MS 386551780791004
Common questions
What is Jeffrey W. Dennis, MD's NPI number?
Jeffrey W. Dennis, MD's National Provider Identifier (NPI) is 1386750909, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey W. Dennis, MD located?
The NPPES record lists a practice address at 551 Azalea Dr, Oxford, MS, 38655. Phone: (662) 234-0332. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey W. Dennis, MD's license?
NPPES lists Mississippi license number 17434, 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 W. Dennis, MD prescribe under Medicare Part D?
In 2024, Jeffrey W. Dennis, MD had 21,809 Medicare Part D claims for 1,250 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.