Dr. Ryan Wayne Chapman, MD
- Part D claims, 2024
- 160
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $1,508
- Medical group
- 1
- Practice address
- 1220 Jefferson St Box 607, Laurel, MS 39440
- Practice phone
- Call (601) 426-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chapman'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. Ryan Wayne Chapman is a neurologist in Laurel, Mississippi
Dr. Chapman practices at South Central Regional Medical Center in Laurel, Mississippi, part of Jones County MS.
Dr. Chapman's NPI, 1427637610, was assigned on April 5, 2021. Dr. Chapman graduated from University of Mississippi Medical Center - Jackson in 2021. Dr. Chapman's Mississippi license number on file is T4495.
- NPI
- 1427637610NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2021
- NPI status
- Active
- Practice phone
- (601) 426-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ryan Wayne Chapman practices at South Central Regional Medical Center in Laurel, Mississippi
Dr. Chapman's primary practice is South Central Regional Medical Center, at 1220 Jefferson St Box 607, Laurel, MS 39440 in Jones County. The practice phone is (601) 426-4000.
- South Central Regional Medical Center1220 Jefferson St Box 607, Laurel, MS 39440 · Jones CountyPhone(601) 426-4000
Source: Dmand AI Affiliation Data
Dr. Ryan Wayne Chapman is affiliated with 2 sites of care and 1 medical group
Dr. Chapman's primary practice is South Central Regional Medical Center in Laurel, Mississippi, part of Jones County MS. Dr. Chapman is also affiliated with University of Mississippi Medical Center. The medical group on file is Ellisville Medical Clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Wayne Chapman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chapman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Central Regional Medical Center | Available with a free account |
| +1 more affiliated site | 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 Jones County MS and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ryan Wayne Chapman is one of 94 neurologists in Mississippi
Neurology is Dr. Chapman's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chapman has a license on file in Mississippi.
Specialties and state licenses
- Neurology, MississippiPrimary
Neurologists near Dr. Chapman
Counts of neurologists 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
Dr. Ryan Wayne Chapman's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Chapman's median patient age at 67, with 32% women.
Dr. Chapman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women32%
- Men68%
Source: Dmand AI Patient Panel Data
Dr. Ryan Wayne Chapman wrote 160 Medicare Part D claims in 2024
In 2024, Dr. Chapman wrote 160 Medicare Part D claims for 40 patients. 93% of them were for generic drugs. CMS names the drug for 62 of them, across 4 drugs with 11 or more claims each, at $849 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.
Dr. Chapman's Part D claims by kind of drug, 2024
- Generic148 claims93%
- Brand-name and other12 claims8%
Dr. Chapman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 352024: 6277%
Drugs named by CMS: 4 in 2024, 2 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
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Dr. Ryan Wayne Chapman has 1 publication on record
Dmand AI links 1 paper to Dr. Chapman in 2019. Dr. Chapman's most frequent co-authors are James Charles Dickerson, MD and Chad Wayne Washington, MD.
Dr. Chapman's most frequent co-authors
Recent publications by Dr. Chapman
See who Dr. Chapman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chapman works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Wayne Chapman received $1,508 in industry payments from 2022 to 2025
CMS Open Payments shows 36 general payments to Dr. Chapman from 15 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $248.
General payments to Dr. Chapman by program year, 2022 to 2025
Companies that paid Dr. Chapman the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Wayne Chapman graduated from University of Mississippi Medical Center - Jackson
Dr. Chapman graduated from University of Mississippi Medical Center - Jackson in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Wayne Chapman's 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 |
| 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
Frequently asked questions about Dr. Ryan Wayne Chapman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryan Wayne Chapman's NPI number?
Dr. Ryan Wayne Chapman's NPI number is 1427637610. It was assigned on April 5, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Wayne Chapman?
Dr. Ryan Wayne Chapman is a neurologist in Laurel, Mississippi. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Ryan Wayne Chapman practice?
Dr. Chapman practices at 1220 Jefferson St Box 607, Laurel, MS 39440. Dr. Chapman's primary practice is South Central Regional Medical Center in Laurel, Mississippi, part of Jones County MS.
What is Dr. Ryan Wayne Chapman's office phone number?
The practice phone on file for Dr. Chapman is (601) 426-4000.
What is Dr. Ryan Wayne Chapman's medical license number?
Dr. Chapman's Mississippi license number on file is T4495.
Which hospitals is Dr. Ryan Wayne Chapman affiliated with?
Dr. Chapman practices at South Central Regional Medical Center in Laurel, Mississippi. Dr. Chapman is also affiliated with University of Mississippi Medical Center.
What medical group is Dr. Ryan Wayne Chapman part of?
Dr. Chapman is linked to Ellisville Medical Clinic.
Where did Dr. Ryan Wayne Chapman go to medical school?
Dr. Chapman graduated from University of Mississippi Medical Center - Jackson in 2021.
What drugs does Dr. Ryan Wayne Chapman prescribe most?
In 2024 Medicare Part D data, Dr. Chapman's most prescribed drugs by claims were Atorvastatin Calcium, Levetiracetam and Ropinirole HCl.
Has Dr. Ryan Wayne Chapman received payments from drug or device companies?
CMS Open Payments shows $1,508 in general payments to Dr. Chapman from 15 companies from 2022 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
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How long has Dr. Ryan Wayne Chapman been practicing?
Dr. Chapman graduated from medical school in 2021, 5 years ago.
Does Dr. Ryan Wayne Chapman do research?
Dmand AI links 1 publication to Dr. Chapman.
Who does Dr. Ryan Wayne Chapman publish with?
Dr. Chapman's most frequent co-authors are James Charles Dickerson, MD (1 shared paper) and Chad Wayne Washington, MD (1 shared paper).
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