James Clarkson, M.D.
Medical Oncology Physician · Pascagoula, MS
James Clarkson, M.D. is a medical oncology physician with a practice address in Pascagoula, Mississippi, and NPI 1285711978, issued on Nov 1, 2006. Check the license (Mississippi MS08687, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- James Clarkson
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- MS08687 MS
Self-reported in NPPES; status is on the state search - Practice location
- 2809 Denny Ave, Pascagoula, MS 39581
- Phone
- (228) 809-2057
- Enumerated
- Nov 1, 2006
- Record last updated
- May 2, 2022
- Fax
- (228) 809-5255
- Medicaid ID
- 00121081 MS
- Medicare enrollment
- Enrolled (PECOS I20050111000582); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1971
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 19 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 James Clarkson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license MS08687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average medical oncology physician in 2024
85 Medicare Part D claims for 28 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 19 claims were for opioids.
Most prescribed
- Hydroxyurea14 claims
- Alendronate Sodium12 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: $33.78
1 payment: food and beverage; the largest payer was Adaptive Biotechnologies Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 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.
One hospital affiliation
- Singing River Health SystemPascagoula, MS · Acute Care Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
James Clarkson among 19 medical oncology physician records in Mississippi
James Clarkson, M.D. is one of 19 medical oncology physician records with a practice address in Mississippi. 84% 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 26% of them.
- NPI issued2006 · 26% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1971 · median 2001 among the 12 with a school on file
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Mississippi
There are 19 medical oncology physician records in Mississippi.
All 19 in Mississippi → Every provider in Pascagoula → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Edgar Hull, M.D.Pascagoula, MS 395811063628808
- Techksell Washington, MD, MPHPascagoula, MS 395811609070283
- Meera Sachdeva, MDMcComb, MS 396481396887352
- Edwin Davidson, MDGulfport, MS 395011831175280
- Stephanie Fussell, M.D.Gulfport, MS 395011073569018
- Olivia Hightower, MDGulfport, MS 395011528228541
- Sidra Khalid, M.DGulfport, MS 395011518348978
- Otis Brunson, MDJackson, MS 392161356838783
Common questions
What is James Clarkson, M.D.'s NPI number?
James Clarkson, M.D.'s National Provider Identifier (NPI) is 1285711978, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Clarkson, M.D. located?
The NPPES record lists a practice address at 2809 Denny Ave, Pascagoula, MS, 39581. Phone: (228) 809-2057. Providers update this record themselves, so call before visiting.
How can I verify James Clarkson, M.D.'s license?
NPPES lists Mississippi license number MS08687, 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 James Clarkson, M.D. prescribe under Medicare Part D?
In 2024, James Clarkson, M.D. had 85 Medicare Part D claims for 28 beneficiaries; the average among medical oncology physician prescribers was 703. 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.