W. Sam Dennis, M.D.
Radiation Oncology Physician · Pascagoula, MS
W. Sam Dennis, M.D. is a radiation oncology physician with a practice address in Pascagoula, Mississippi, and NPI 1225115918, issued on Nov 1, 2006. Check the license (Mississippi MS18798, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- W. Sam Dennis
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MS18798 MS
Self-reported in NPPES; status is on the state search - Practice location
- 2809 Denny Ave, Pascagoula, MS 39581
- Phone
- (228) 809-5000
- Enumerated
- Nov 1, 2006
- Record last updated
- Oct 20, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid IDs
- 05179540 MS
009932477 AL - Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 41 in Mississippi → Look up another NPI →
Also registered at 2809 Denny Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie AdamsAcute Care Nurse Practitioner1437805538
- Dustin AllenInternal Medicine Physician1154531234
- Tricia Aultman, M.D.Internal Medicine Physician1346322880
- Micah Bahr, M.D.Anesthesiology Physician1497843064
- John Banahan, MDDiagnostic Radiology Physician1720379720
- Andrew Barfield, MDPediatrics Physician1750793253
Verify W. Sam 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 MS18798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average radiation oncology physician in 2024
23 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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.
W. Sam Dennis among 41 radiation oncology physician records in Mississippi
W. Sam Dennis, M.D. is one of 41 radiation oncology physician records with a practice address in Mississippi. 78% 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 24% of them.
- NPI issued2006 · 24% of these records are older, 41% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2014 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Mississippi
There are 41 radiation oncology physician records in Mississippi.
All 41 in Mississippi → Every provider in Pascagoula → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- John Bechtel, MDPascagoula, MS 395811407844715
- Audrey DangPascagoula, MS 395811235557000
- Brad Greenfield, M.D.Pascagoula, MS 395811336431436
- John Godsey, M.D.Ocean Springs, MS 395641215269881
- Roland Engel, M.D.Keesler Afb, MS 395341780665760
- William Burleson, M.D.Biloxi, MS 395321922060722
- Burnett Hanson, MDMcComb, MS 396481730292798
- Helen Fosmire, MDGulfport, MS 395011841328218
Common questions
What is W. Sam Dennis, M.D.'s NPI number?
W. Sam Dennis, M.D.'s National Provider Identifier (NPI) is 1225115918, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is W. Sam Dennis, M.D. located?
The NPPES record lists a practice address at 2809 Denny Ave, Pascagoula, MS, 39581. Phone: (228) 809-5000. Providers update this record themselves, so call before visiting.
How can I verify W. Sam Dennis, M.D.'s license?
NPPES lists Mississippi license number MS18798, 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 W. Sam Dennis, M.D. prescribe under Medicare Part D?
In 2024, W. Sam Dennis, M.D. had 23 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. 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.