Pediatric Hematology-Oncology in Mississippi
16 licensed pediatric oncologists practicing in Mississippi across 9 cities.
This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.
Source: NPI Registry · last checked
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NPI Registry records — Pediatric Hematology-Oncology in Mississippi
12 of 16 shown have disclosed payments in CMS Open Payments (2024)
Showing 16 of 16 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.
In 2024, $158 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($110) and gifts ($48).
Largest single payer: Astellas Pharma US Inc ($158).
In 2024, $239 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($239).
Largest single payer: Alexion Pharmaceuticals, Inc. ($60).
Tammuella Evelyn Chrisentery-Singleton, MD
1315 Jefferson Hwy
New Orleans, LA 70121 · (504) 842-3900
License: 14199R (LA)
In 2024, $71,007 was disclosed to this physician across 70 transactions by pharmaceutical or medical-device companies.
$9,828 was research funding (clinical-trial work); the remainder was charitable contributions ($40,069) and consulting fees ($13,068).
Largest single payer: Genzyme Corporation ($16,772).
Jennifer Ann Cox, MD
910 Adams St Se Ste 310
Huntsville, AL 35801 · (265) 256-5833
License: 30837 (AL)
In 2024, $452 was disclosed to this physician across 16 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($452).
Largest single payer: Jazz Pharmaceuticals Inc. ($105).
In 2024, $122 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($122).
Largest single payer: Adaptive Biotechnologies Corporation ($35).
Christine Mary Hartford, MD
7736 Airways Blvd
Southaven, MS 38671 · (662) 772-3700
License: 37498 (TN)
In 2024, $16 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($16).
Largest single payer: Boston Scientific Corporation ($16).
Betty L Herrington, MD
2500 North State Street
Jackson, MS 39216 · (601) 984-5226
License: 231386 (MA)
In 2024, $6,756 was disclosed to this physician across 15 transactions by pharmaceutical or medical-device companies.
Mostly consulting fees ($5,490) and meals and beverages ($908).
Largest single payer: Day One Biopharmaceuticals ($6,546).
Melissa Adams McNaull, MD
2500 N State St, Children's Cancer Center, Ummc
Jackson, MS 39216 · (601) 984-5220
License: 23089 (MS)
In 2024, $86 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($86).
Largest single payer: Pfizer Inc. ($61).
In 2024, $5,288 was disclosed to this physician across 11 transactions by pharmaceutical or medical-device companies.
$2,210 was research funding (clinical-trial work); the remainder was charitable contributions ($2,775) and entertainment ($280).
Largest single payer: AstraZeneca Pharmaceuticals LP ($2,775).
Mauricio Rendon Bernot, MD
146 Highland Pkwy
Picayune, MS 39466 · (601) 358-9765
License: 28834 (MS)
In 2024, $16 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($16).
Largest single payer: Sanofi Pasteur Inc. ($16).
Amanda Ledbetter Strobel, MD
2500 N State St, Department of Pediatric Hematology/oncology
Jackson, MS 39216 · (601) 984-5220
License: 23308 (MS)
In 2024, $256 was disclosed to this physician across 11 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($256).
Largest single payer: CSL Behring ($59).
Spencer K Sullivan, MD
7730 Old Canton Rd Bldg B
Madison, MS 39110 · (601) 499-0935
License: 23304 (MS)
In 2024, $5,826 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.
Mostly consulting fees ($5,300) and charitable contributions ($339).
Largest single payer: CSL Behring ($4,550).
Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.
Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.
What this page is: a republication of public federal NPI Registry records, filtered to the pediatric hematology-oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.
Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.
Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.
Source: NPI Registry (taxonomy: Pediatric Hematology-Oncology) · Last checked: 2026-04-20