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Dr. William Diehl, MD

General Surgery
4.2 (25)
Accepting new patients
42 years of experience

Overview of Dr. William Diehl, MD

Dr. William Diehl, MD is a General Surgery Specialist in Livingston, NJ. They specialize in General Surgery, has 42 years of experience. They graduated from Universidad Anahuac, Escuela De Medicina and is affiliated with Morristown Medical Center.

Dr. Diehl works at Summit Medical Group in Livingston, NJ with other offices in Florham Park, NJ. They frequently treat conditions like Ductal Carcinoma in Situ and Breast Cancer along with other conditions at varying frequencies. They are accepting new patients and accepts Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Diehl's Office Locations

  1. 1
    Livingston Office
    75 E Northfield Rd, Livingston, NJ 07039 Icon Directions Right Arrow Directions Phone Icon (973) 436-1570
    Monday
    8:00am - 5:00pm
    Tuesday
    8:00am - 5:00pm
    Wednesday
    8:00am - 5:00pm
    Thursday
    8:00am - 5:00pm
    Friday
    8:00am - 5:00pm
    Saturday
    Closed
    Sunday
    Closed
  2. 2
    150 Park Ave Ste 150, Florham Park, NJ 07932 Icon Directions Right Arrow Directions Phone Icon (973) 404-9980
  3. 3
    The Green at Florham Park
    140 Park Ave Fl 3, Florham Park, NJ 07932 Icon Directions Right Arrow Directions Phone Icon (973) 404-9980

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Morristown Medical Center

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Ductal Carcinoma in Situ
Breast Cancer
Capsular Contracture of Breast Implant

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Ductal Carcinoma in Situ Chevron Icon
Breast Cancer Chevron Icon
Capsular Contracture of Breast Implant Chevron Icon
Inguinal Hernia Chevron Icon
Lipomas Chevron Icon
  • View other providers who treat Lipomas
Peritoneal Cancer Chevron Icon
Port Placements or Replacements Chevron Icon
Secondary Malignancies Chevron Icon
Ventral Hernia Chevron Icon
Abdominal Disorders Chevron Icon
Abscess Chevron Icon
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Appendicitis Chevron Icon
Barrett's Esophagus Chevron Icon
Benign Tumor Chevron Icon
Bile Duct Cancer Chevron Icon
Biliary Drainage Chevron Icon
Breast Diseases Chevron Icon
Breast Lump Chevron Icon
Cancer Chevron Icon
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Cholangiocarcinoma Chevron Icon
Cholecystitis and Gallstones Chevron Icon
Colorectal Cancer Chevron Icon
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Gallbladder and Biliary Tract Cancer Chevron Icon
Gallbladder Cancer Chevron Icon
Gallstones Chevron Icon
Gastrointestinal Diseases Chevron Icon
Hernia Chevron Icon
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Hiatal Hernia Chevron Icon
Ileus Chevron Icon
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Incisional Hernia Chevron Icon
Liver Cancer Chevron Icon
Lobular Carconima Chevron Icon
Male Breast Cancer Chevron Icon
Pancreatic Cancer Chevron Icon
Pituitary Tumor Chevron Icon
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Ruptured Aortic Aneurysm Chevron Icon
Small Intestine Cancer Chevron Icon
Soft Tissue Sarcoma Chevron Icon
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Thyroid Cancer Chevron Icon
Thyroid Nodule Chevron Icon
Umbilical Hernia Chevron Icon
Uterine Cancer Chevron Icon
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Amerihealth
    • Anthem
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Commercial Insurance Company
    • CoreSource
    • EBS-RMSCO
    • EmblemHealth
    • First Health
    • Government Employees Health Association (GEHA)
    • Guardian
    • Harvard Pilgrim Health Care
    • Healthfirst
    • Highmark Blue Cross Blue Shield
    • Horizon Blue Cross Blue Shield of New Jersey
    • Humana
    • MagnaCare
    • Medicaid
    • Meritain Health
    • MultiPlan
    • Oxford Health Plans
    • QualCare
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.2
    Average provider rating
    Based on 25 ratings
    Patient Ratings (25)
    5 Star
    (20)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (1)
    1 Star
    (4)
    Leave a review

    How was your appointment with Dr. Diehl?

    Sep 07, 2021
    I was referred to Dr. Diehl in February based on a family history of breast cancer. My mammograms and ultrasounds had just been cleared, but he ordered a baseline MRI due to my history. The MRI and subsequent biopsies found that I had DCIS. If it wasn't for him, my cancer may not have been found until it had started to spread. I am so lucky to have a breast surgeon who is as knowledgeable, experienced, dedicated, and caring as Dr. Diehl to help me navigate through my cancer journey. He called me personally to help set up the different diagnostic tests along the way and when he explained that the best course of treatment in my case was a double mastectomy, both he and the Nurse Navigator Karen were incredible in helping me process the information and deal with the shock. I am so fortunate to have such an amazing doctor!!! He truly did save my life!! I am forever grateful!!
    Michelle — Sep 07, 2021
    Read more reviews on Healthgrades
    Photo: Dr. William Diehl, MD
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    Dr. Diehl's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Diehl

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Spends appropriate amount of time with patients

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    About Dr. William Diehl, MD

    Specialties
    • General Surgery
    Specialties
    Years of Experience
    • 42 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Spanish
    Languages Spoken
    NPI Number
    • 1629068457
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Meml Sloan Kettering Canc C
    Fellowship
    Residency
    • Morristown Meml Hospital
    Residency
    Medical Education
    • Universidad Anahuac, Escuela De Medicina
    Medical Education

    Frequently Asked Questions

    Dr. William Diehl, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Diehl is offering online scheduling or call the provider’s office for more information.

    Dr. Diehl has an average wait time of 31 – 45 minutes at their office(s).

    Dr. Diehl has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Diehl has seen patients for Ductal Carcinoma in Situ and Breast Cancer, and more. You can see other conditions treated by Dr. Diehl on their profile. Please call the provider’s office to confirm all visit reasons.

    25 patients have reviewed Dr. Diehl. The overall rating for this provider is 4.2. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Diehl.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Diehl, there are benefits to both methods. A person calling to schedule an with Dr. Diehl appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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