Primary practice
Find Dr. Clarkson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Clarkson practices at Pascagoula Hospital in Pascagoula, Mississippi, part of State of Mississippi.
Dr. Clarkson's NPI, 1285711978, was assigned on November 1, 2006. Dr. Clarkson graduated from University of Cincinnati College of Medicine in 1971. Dr. Clarkson holds Mississippi license MS08687.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Clarkson's primary practice is Pascagoula Hospital, at 2809 Denny Av, Pascagoula, MS 39581 in Jackson County. The practice phone is (228) 809-5000.
Source: Dmand AI Affiliation Data
Dr. Clarkson's primary practice is Pascagoula Hospital in Pascagoula, Mississippi, part of State of Mississippi. The medical group on file is Singing River Health System. Dmand AI also links Dr. Clarkson to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clarkson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pascagoula Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across State of Mississippi and 6.2K+ hospitals, with verified contacts in the same login.
Medical oncology is Dr. Clarkson's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Clarkson is licensed in Mississippi.
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
CMS data shows 120 Medicare services from Dr. Clarkson across 2 procedure codes in 2024, all of them office visits, for 54 Medicare patients. Medicare paid $5,830 for them.
Medians across 19 medical oncologists in Mississippi with Dmand AI profiles that report each measure.
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Clarkson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clarkson and other medical oncologists in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 54 Medicare patients who saw Dr. Clarkson in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clarkson's median patient age at 73, with 74% women.
CMS leaves out age groups with fewer than 11 patients.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 73
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2024, Dr. Clarkson wrote 85 Medicare Part D claims for 28 patients. 79% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $249 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dmand AI links 1 paper to Dr. Clarkson in 2018. Dr. Clarkson's most frequent co-authors are Lawrence Bruce Berk, MD, William Fitzgerald Demas, MD and Jerome D. Derdel, MD.
See who Dr. Clarkson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Clarkson works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dmand AI links Dr. Clarkson to 10 clinical trials, 6 of them phase 3 studies. 10 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Breast Neoplasms. National Cancer Institute (NCI) sponsors the most, 10.
Conditions in Dr. Clarkson's trials
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
CMS Open Payments shows 400 general payments to Dr. Clarkson from 47 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 97% of the total. Merck Sharp & Dohme Corporation paid the most, $914.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Clarkson graduated from University of Cincinnati College of Medicine in 1971.
Source: Dmand AI Professional Profile Data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
Dr. James E. Clarkson's NPI number is 1285711978. It was assigned on November 1, 2006, and it is active in the NPI Registry.
Dr. James E. Clarkson is a medical oncologist in Pascagoula, Mississippi. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Dr. Clarkson practices at 2809 Denny Av, Pascagoula, MS 39581. Dr. Clarkson's primary practice is Pascagoula Hospital in Pascagoula, Mississippi, part of State of Mississippi. Dmand AI also links Dr. Clarkson to 1 medical group.
The practice phone on file for Dr. Clarkson is (228) 809-5000.
Dr. Clarkson holds Mississippi license MS08687.
Dr. Clarkson practices at Pascagoula Hospital in Pascagoula, Mississippi.
Dr. Clarkson is linked to Singing River Health System. Dmand AI links Dr. Clarkson to 1 more medical group.
Yes. CMS data shows Dr. Clarkson billed Medicare for 120 services in 2024.
CMS counts 54 Medicare patients who saw Dr. Clarkson in 2024, with an average age of 74.
In 2024, Dr. Clarkson's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Dr. Clarkson graduated from University of Cincinnati College of Medicine in 1971.
In 2024 Medicare Part D data, Dr. Clarkson's most prescribed drugs by claims were Hydroxyurea and Alendronate Sodium.
CMS Open Payments shows $7,693 in general payments to Dr. Clarkson from 47 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
Dr. Clarkson graduated from medical school in 1971, 55 years ago.
Dmand AI links 1 publication to Dr. Clarkson. Dr. Clarkson has worked on 10 clinical trials.
Dr. Clarkson's most frequent co-authors are Lawrence Bruce Berk, MD (1 shared paper), William Fitzgerald Demas, MD (1 shared paper) and Jerome D. Derdel, MD (1 shared paper).
Selling to medical oncology practices?
See medical oncologists in Mississippi by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.