Dr. John Magruder Sullivan III, MD
- Part D claims, 2024
- 27
- Publications
- 12
- Hospital affiliations
- 1
- Industry payments
- $12,107
- Medical groups
- 2
- Practice address
- 415 S 28th Ave, Hattiesburg, MS 39401
- Practice phone
- Call (601) 268-5630
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hattiesburg Clinic PA
Hattiesburg, Mississippi
Find Dr. Sullivan'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. John Magruder Sullivan III is a plastic and reconstructive surgery physician in Hattiesburg, Mississippi
Dr. Sullivan practices at Hattiesburg Clinic PA in Hattiesburg, Mississippi.
Dr. Sullivan's NPI, 1043872948, was assigned on July 1, 2019. Dr. Sullivan graduated from University of Mississippi School of Medicine in 2025. Dr. Sullivan holds Mississippi license T-3879.
- NPI
- 1043872948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698284578
- NPI enumeration date
- July 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (601) 268-5630
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Magruder Sullivan III practices at Hattiesburg Clinic PA in Hattiesburg, Mississippi
Dr. Sullivan's primary practice is Hattiesburg Clinic PA, at 415 S 28th Ave, Hattiesburg, MS 39401 in Forrest County. The practice phone is (601) 268-5630.
- Hattiesburg Clinic PA415 S 28th Ave, Hattiesburg, MS 39401 · Forrest CountyPhone(601) 268-5630
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Magruder Sullivan III is affiliated with 4 sites of care and 2 medical groups
Dr. Sullivan's primary practice is Hattiesburg Clinic PA in Hattiesburg, Mississippi. Dr. Sullivan is also affiliated with Merit Health Wesley. The medical group on file is Merit Health Medical Group - Cardiology and Cardiovascular Surgery. Dmand AI also links Dr. Sullivan to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Magruder Sullivan III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sullivan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hattiesburg Clinic PA | Available with a free account |
| +3 more sites and 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Magruder Sullivan III is one of 22 plastics and reconstructive surgery physicians in Mississippi
Plastic and reconstructive surgery is Dr. Sullivan's primary specialty in the NPI Registry, under taxonomy code 2086S0122X. Dr. Sullivan is licensed in Mississippi.
Specialties and state licenses
- Plastic and reconstructive surgery, MississippiPrimary
Plastics and reconstructive surgery physicians near Dr. Sullivan
Counts of plastics and reconstructive surgery physicians 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. John Magruder Sullivan III's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Sullivan's median patient age at 41, with 71% women.
Dr. Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. John Magruder Sullivan III wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Sullivan wrote 27 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $62 in total drug cost.
Dr. Sullivan's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Dr. John Magruder Sullivan III takes part in Medicare
Dr. Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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.
Dr. John Magruder Sullivan III has 12 publications on record
Dmand AI links 12 papers to Dr. Sullivan, published from 2022 to 2025. 2024 was the busiest year, with 4. Dr. Sullivan has published most often in J Hand Surg Glob Online. Dr. Sullivan's most frequent co-authors are Marc Edward Walker, MBA, MD, Ian Craig Hoppe, MD and Laura Sestokas Humphries, MD.
Dr. Sullivan's papers by year, 2022 to 2025
Dr. Sullivan's most frequent co-authors
- Marc Edward Walker, MBA, MD7 shared papers
- Ian Craig Hoppe, MD4 shared papers
- Laura Sestokas Humphries, MD4 shared papers
Recent publications by Dr. Sullivan
Cleft Palate Craniofac J
See who Dr. Sullivan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sullivan works with, so you can find a warm path to the right plastics and reconstructive surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Magruder Sullivan III received $12,107 in industry payments from 2019 to 2025
CMS Open Payments shows 105 general payments to Dr. Sullivan from 27 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 62% of the total. AxoGen paid the most, $2,260.
General payments to Dr. Sullivan by program year, 2019 to 2025
General payments to Dr. Sullivan by kind, 2019 to 2025
- Food and beverage$7,53662%
- Travel and lodging$4,01533%
- Education$5565%
Companies that paid Dr. Sullivan the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Magruder Sullivan III graduated from University of Mississippi School of Medicine
Dr. Sullivan graduated from University of Mississippi School of Medicine in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Magruder Sullivan III'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. John Magruder Sullivan III
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. John Magruder Sullivan III's NPI number?
Dr. John Magruder Sullivan III's NPI number is 1043872948. It was assigned on July 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John Magruder Sullivan III?
Dr. John Magruder Sullivan III is a plastic and reconstructive surgery physician in Hattiesburg, Mississippi. The primary specialty in the NPI Registry is Plastic and Reconstructive Surgery Physician (taxonomy code 2086S0122X).
Where does Dr. John Magruder Sullivan III practice?
Dr. Sullivan practices at 415 S 28th Ave, Hattiesburg, MS 39401. Dr. Sullivan's primary practice is Hattiesburg Clinic PA in Hattiesburg, Mississippi. Dmand AI also links Dr. Sullivan to 2 group practices and clinics and 1 medical group.
What is Dr. John Magruder Sullivan III's office phone number?
The practice phone on file for Dr. Sullivan is (601) 268-5630.
What is Dr. John Magruder Sullivan III's medical license number?
Dr. Sullivan holds Mississippi license T-3879.
Which hospitals is Dr. John Magruder Sullivan III affiliated with?
Dr. Sullivan is affiliated with Merit Health Wesley.
What medical group is Dr. John Magruder Sullivan III part of?
Dr. Sullivan is linked to Merit Health Medical Group - Cardiology and Cardiovascular Surgery. Dmand AI links Dr. Sullivan to 1 more medical group.
Does Dr. John Magruder Sullivan III accept Medicare?
Yes. CMS lists Dr. Sullivan as accepting Medicare assignment.
Where did Dr. John Magruder Sullivan III go to medical school?
Dr. Sullivan graduated from University of Mississippi School of Medicine in 2025.
What drugs does Dr. John Magruder Sullivan III prescribe most?
In 2023 Medicare Part D data, Dr. Sullivan's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Show 4 more questionsShow fewer questions
Has Dr. John Magruder Sullivan III received payments from drug or device companies?
CMS Open Payments shows $12,107 in general payments to Dr. Sullivan from 27 companies from 2019 to 2025. The largest total came from AxoGen.
How long has Dr. John Magruder Sullivan III been practicing?
Dr. Sullivan graduated from medical school in 2025, 1 years ago.
Does Dr. John Magruder Sullivan III do research?
Dmand AI links 12 publications to Dr. Sullivan, published from 2022 to 2025.
Who does Dr. John Magruder Sullivan III publish with?
Dr. Sullivan's most frequent co-authors are Marc Edward Walker, MBA, MD (7 shared papers), Ian Craig Hoppe, MD (4 shared papers) and Laura Sestokas Humphries, MD (4 shared papers).
Selling to plastic and reconstructive surgery practices?
See plastics and reconstructive surgery physicians 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.
- 30 days free
- Self-serve
- No credit card