Dr. Leonard Mason
- Gender: Male
- Experience: 14 years
- Graduated from: Temple University School Of Medicine
- Graduation year: 2007
- Sole propriator: No
- NPI: 1114122355
Dr. Leonard Mason MD
Surgeon
He is located at 4735 Ogletown Stanton Road Suite 3301 in Newark, DE 19713. Can help patients with the following: Anal Fissure, Appendicitis, Edema, Gangrene, Hernia, Peptic Ulcer. His National Provider Identifier (NPI) number is 1114122355. Appointment can be made via the phone number (302) 623-4370. He is affiliated with 3 hospitals.
Conditions treated
Dr. Leonard Mason, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Leonard Mason.
- Abdominal Pain
- Achalasia
- Acute Pain
- Anal Fissure
- Anemia
- Appendicitis
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Boils
- Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Colon Cancer
- Common Cold
- Constipation
- Crohn's Disease
- Cyst
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Enlarged Spleen
- Esophageal Cancer
- Fever
- Gallstones
- Gangrene
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hemorrhoids
- Hernia
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Lymphedema
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Prescription Refill
- Sebaceous Cyst
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Leonard Mason as in-network for the following 2026 plans.
Health plans
Ambetter Health of Delaware
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 17 plans from Ambetter Health of Delaware
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clear Gold | EPO · Gold | Preferred | Accepting new patients |
| Clear Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Elite Silver | EPO · Silver | Preferred | Accepting new patients |
| Elite Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Principal Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Principal Bronze HSA + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
AmeriHealth Caritas Next
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 8 plans from AmeriHealth Caritas Next
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AmeriHealth Caritas Next Bronze Essential + No Referrals | HMO · Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Bronze Premier + No Referrals | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Bronze Signature + No Referrals | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Gold Premier + No Referrals | HMO · Gold | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Gold Signature + No Referrals | HMO · Gold | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Essential + No Referrals | HMO · Silver | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Premier + No Referrals | HMO · Silver | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Signature + No Referrals | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Leonard Mason is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Leonard Mason is enrolled to bill Medicare as a Practitioner - General Surgery (also registered under: Practitioner - Plastic And Reconstructive Surgery) .
Bills through: Christiana Care Health Services Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Depuy | $988 |
| Zimmer Biomet | $42 |
| Csl Behring | $10 |
Other
| Travel and Lodging | $782 |
| Food and Beverage | $259 |
Studies
TEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2007Additional Specialities
- Internist
- Resident
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Questions & Answers
What conditions does Dr. Leonard Mason treat?
Dr. Leonard Mason provides treatment for Anal Fissure, Appendicitis, Edema, Gangrene, Hernia, Peptic Ulcer. For the full list see this list.
Has Dr. Leonard Mason affiliation with hospitals?
Dr. Leonard Mason is affiliated with CHRISTIANA HOSPITAL. For the full list of hospitals see this list.
Where can you meet with Dr. Leonard Mason?
Dr. Leonard Mason's office is located at 4735 Ogletown Stanton Road Suite 3301 in Newark, DE 19713.
Does Dr. Leonard Mason accept patients with AmeriHealth Caritas Next?
Yes, Dr. Leonard Mason is listed in-network for AmeriHealth Caritas Next through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.