Expertise in
2
conditions

Dr. Jennifer L. De Los Santos

Radiation Oncology
Physician Groups LC
150 Entrance Way, 
Saint Peters, MO 
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients
Offers Telehealth
Expertise in
2
conditions
Physician Groups LC
150 Entrance Way, 
Saint Peters, MO 

Overview

Jennifer De Los Santos is a Radiation Oncologist practicing medicine in Saint Peters, Missouri.

Dr. De Los Santos is highly rated in 2 conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Intraductal Papilloma, Acoustic Neuroma, and Adenoid Cystic Carcinoma.

She is actively involved in clinical research, co-authoring 37 peer reviewed articles and participating in 8 clinical trials. Dr. De Los Santos is currently accepting new patients.

Specialties

Radiation Oncology

Licenses

Radiology in MO

Hospital Affiliations

Alton Memorial Hospital
Barnes-Jewish St Peters Hospital
Barnes-Jewish West County Hospital
Barnes Jewish Hospital
Memorial Hospital

Languages Spoken

English

Gender

Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Cox Health
  • EPO
  • PPO
Essence Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
Health Alliance
  • EPO
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
VIVA Health
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 9 Less Insurance Carriers -

Locations

Physician Groups LC
150 Entrance Way, Saint Peters, MO 63376
Other Locations
Washington University School of Medicine
4921 Parkview Pl, Saint Louis, MO 63110

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

8 Clinical Trials

MammaPrint, BluePrint, and Full-genome Data Linked With Clinical Data to Evaluate New Gene EXpression Profiles: An Adaptable Registry (FLEX)
MammaPrint, BluePrint, and Full-genome Data Linked With Clinical Data to Evaluate New Gene EXpression Profiles: An Adaptable Registry (FLEX)
Enrollment Status: Recruiting
Publish Date: August 20, 2025
Intervention Type: Diagnostic test
A Phase IIR/III Trial of Standard of Care Therapy With or Without Stereotactic Body Radiotherapy (SBRT) and/or Surgical Ablation for Newly Oligometastatic Breast Cancer
A Phase IIR/III Trial of Standard of Care Therapy With or Without Stereotactic Body Radiotherapy (SBRT) and/or Surgical Ablation for Newly Oligometastatic Breast Cancer
Enrollment Status: Completed
Publish Date: July 10, 2026
Intervention Type: Radiation, Procedure
Study Phase: Phase 2/Phase 3
A Phase 1 Study of Stereotactic Body Radiotherapy (SBRT) for the Treatment of Multiple Metastases
A Phase 1 Study of Stereotactic Body Radiotherapy (SBRT) for the Treatment of Multiple Metastases
Enrollment Status: Completed
Publish Date: June 25, 2026
Intervention Type: Radiation
Study Phase: Phase 1
Pivotal, Randomized, Open-label Study of Tumor Treating Fields (TTFields, 150kHz) Concomitant With Gemcitabine and Nab-paclitaxel for Front-line Treatment of Locally-advanced Pancreatic Adenocarcinoma
Pivotal, Randomized, Open-label Study of Tumor Treating Fields (TTFields, 150kHz) Concomitant With Gemcitabine and Nab-paclitaxel for Front-line Treatment of Locally-advanced Pancreatic Adenocarcinoma
Enrollment Status: Completed
Publish Date: January 21, 2026
Intervention Type: Drug, Device
Study Drugs: Gemcitabine, Nab-paclitaxel
Study Phase: Phase 3
Pivotal, Open-label, Randomized Study of Radiosurgery With or Without Tumor Treating Fields (TTFields) for 1-10 Brain Metastases From Non-small Cell Lung Cancer (NSCLC).
Pivotal, Open-label, Randomized Study of Radiosurgery With or Without Tumor Treating Fields (TTFields) for 1-10 Brain Metastases From Non-small Cell Lung Cancer (NSCLC).
Enrollment Status: Completed
Publish Date: October 31, 2025
Intervention Type: Device, Other
Study Phase: Phase 3
A Randomized Phase III Clinical Trial Evaluating Post-Mastectomy Chestwall and Regional Nodal XRT and Post-Lumpectomy Regional Nodal XRT in Patients With Positive Axillary Nodes Before Neoadjuvant Chemotherapy Who Convert to Pathologically Negative Axillary Nodes After Neoadjuvant Chemotherapy
A Randomized Phase III Clinical Trial Evaluating Post-Mastectomy Chestwall and Regional Nodal XRT and Post-Lumpectomy Regional Nodal XRT in Patients With Positive Axillary Nodes Before Neoadjuvant Chemotherapy Who Convert to Pathologically Negative Axillary Nodes After Neoadjuvant Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: December 27, 2023
Intervention Type: Radiation
Study Phase: Not Applicable
Phase II Randomized Study of Whole Brain Radiotherapy/Stereotactic Radiosurgery in Combination With Concurrent Lapatinib in Patients With Brain Metastasis From HER2-Positive Breast Cancer - A Collaborative Study of NRG Oncology and KROG
Phase II Randomized Study of Whole Brain Radiotherapy/Stereotactic Radiosurgery in Combination With Concurrent Lapatinib in Patients With Brain Metastasis From HER2-Positive Breast Cancer - A Collaborative Study of NRG Oncology and KROG
Enrollment Status: Completed
Publish Date: October 17, 2023
Intervention Type: Other, Radiation, Drug
Study Drug: Lapatinib Ditosylate
Study Phase: Phase 2
TRYHARD: A Phase II, Randomized, Double Blind, Placebo-Controlled Study of Lapatinib (Tykerb®) for Non-HPV Locally Advanced Head and Neck Cancer With Concurrent Chemoradiation
TRYHARD: A Phase II, Randomized, Double Blind, Placebo-Controlled Study of Lapatinib (Tykerb®) for Non-HPV Locally Advanced Head and Neck Cancer With Concurrent Chemoradiation
Enrollment Status: Completed
Publish Date: October 17, 2023
Intervention Type: Drug, Radiation
Study Drugs: Cisplatin, Lapatinib
Study Phase: Phase 2
View 7 Less Clinical Trials

37 Total Publications

High-avidity TCR signaling induces a distinct KLR-positive exhaustion state in human tumor-infiltrating CD8 T cells associated with immunotherapy response.
High-avidity TCR signaling induces a distinct KLR-positive exhaustion state in human tumor-infiltrating CD8 T cells associated with immunotherapy response.
Journal: bioRxiv : the preprint server for biology
Published: June 12, 2026
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Frequently Asked Questions about Dr. Jennifer L. De Los Santos

How do I make an appointment with Dr. Jennifer L. De Los Santos?

You can book an appointment with Dr. Jennifer L. De Los Santos by calling their office at 314-747-7236. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Jennifer L. De Los Santos a top-rated expert for Breast Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Jennifer L. De Los Santos is classified as an Distinguished expert for Breast Cancer, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Jennifer L. De Los Santos specialize in?

While Dr. Jennifer L. De Los Santos is a Radiation Oncology, they have specific expertise in Breast Cancer, Intraductal Papilloma, and Acoustic Neuroma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Radiation Oncology.

Does Dr. Jennifer L. De Los Santos participate in research or clinical trials?

Yes. Dr. Jennifer L. De Los Santos has published 37 articles and abstracts on conditions like Breast Cancer. You can view a list of Dr. Jennifer L. De Los Santos's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Jennifer L. De Los Santos accept my insurance?

Dr. Jennifer L. De Los Santos accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 314-747-7236 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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