Dr. William L. Diehl
- Gender: Male
- Experience: 40 years
- Graduation year: 1981
- Sole propriator: No
- NPI: 1629068457
Dr. William L. Diehl M.D.
Oncological Surgeon
He is located at 75 East Northfield Road in Livingston, NJ 07039. Can help patients with the following: Boils, Enlarged Spleen, Heart Disease, Hemorrhoids, Pancreatitis, Pilonidal Cyst. His National Provider Identifier (NPI) number is 1629068457. Appointment can be made via the phone number (973) 436-1530. He is affiliated with 3 practices and 1 hospitals.
Conditions treated
Dr. William L. Diehl, being an oncological 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. William L. Diehl.
- Achalasia
- Anal Fissure
- Appendicitis
- Bile Duct Cancer
- Boils
- Breast Cancer
- Cancer
- Carcinoid Tumor
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallbladder Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Melanoma
- Non-Hodgkin's Lymphoma (NHL)
- Pancreatic Cancer
- Pancreatitis
- Peptic Ulcer
- Pheochromocytoma (PCC)
- Pilonidal Cyst
- Sebaceous Cyst
- Skin Cancer
- Thyroid Cancer
- Ulcerative Colitis
Procedures Performed by Dr. William L. Diehl
Medicare Enrollment
Dr. William L. Diehl is enrolled to bill Medicare as a Practitioner - General Surgery (also registered under: Practitioner - Surgical Oncology) .
Bills through: Summit Medical Group Pa
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
| Intuitive Surgical | $1484 |
| Covidien | $333 |
| Genentech | $118 |
Other
| Food and Beverage | $1520 |
| Travel and Lodging | $769 |
Studies
Graduated in 1981Additional Specialities
- Surgeon
Affiliated practices
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Questions & Answers
What conditions does Dr. William L. Diehl treat?
Dr. William L. Diehl provides treatment for Boils, Enlarged Spleen, Heart Disease, Hemorrhoids, Pancreatitis, Pilonidal Cyst. For the full list see this list.
Does Dr. William L. Diehl have affiliation with practices?
Dr. William L. Diehl is affiliated with Summit Medical Group. For the full list of practices see this list.
Has Dr. William L. Diehl affiliation with hospitals?
Dr. William L. Diehl is affiliated with MORRISTOWN MEDICAL CENTER.
Where can you meet with Dr. William L. Diehl?
Dr. William L. Diehl's office is located at 75 East Northfield Road in Livingston, NJ 07039.