Super Profile

Dr. John Allendorf, MD

Surgical Oncology*

4.5 (17)

Mineola, NY

Accepting new patients

27 years of experience

Overview
Locations
Experience
Insurance
Ratings & Reviews
About

Overview of Dr. John Allendorf, MD

Dr. John Allendorf, MD is a Surgical Oncology Specialist in Mineola, NY. They specialize in Surgical Oncology, has 27 years of experience, and is board certified in General Surgery. They graduated from Columbia University Vagelos College of Physicians and Surgeons and is affiliated with NYU Langone Hospital - Manhattan. Dr. Allendorf, completed a residency at New York Presbyterian Hospital Columbia University Medical Center. Patients rated Dr. Allendorf an average 4.5 star rating.

Dr. Allendorf works at Practice in Mineola, NY with other offices in Patchogue, NY. They frequently treat conditions like Retroperitoneum Cancer and Pancreatic Cancer along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Blue Cross Blue Shield and Cigna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

Compare with other Surgical Oncology Specialists

Compare Dr. Allendorf with our nearby Surgical Oncology Specialists at NewYork-Presbyterian Queens

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These providers are on the medical staff of NewYork-Presbyterian Queens.

Dr. Allendorf's Office Locations

1

Winthrop Surgery Associates
120 Mineola Blvd Ste 320, Mineola, NY 11501 Directions (516) 663-3300
2

Nyu Langone Bariatric Surgery Associates - Garden City & Patchogue - Patchogue
157 E Woodside Ave, Patchogue, NY 11772 Directions (631) 475-1900

Monday

Closed

Tuesday

08:30 - 16:30

Wednesday

Closed

Thursday

Closed

Friday

Closed

Saturday

Closed

Sunday

Closed

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Hospital Affiliations

Admitting Hospitals

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

NYU Langone Hospital - Manhattan

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.

Thyroidectomy

Retroperitoneum Cancer

Pancreatic Cancer

Thyroidectomy

Treatment Frequency View other providers who treat this condition

Retroperitoneum Cancer

Treatment Frequency View other providers who treat this condition

Pancreatic Cancer

Treatment Frequency View other providers who treat this condition

Check your insurance

Insurance Search

Please double-check when making an appointment.

View All Accepted Carriers

Aetna
Blue Cross Blue Shield
Capital District Physician's Health Plan (CDPHP)
Cigna
Connecticare
EmblemHealth
Empire Blue Cross Blue Shield
Excellus BlueCross BlueShield
Fidelis Care
Healthfirst
Highmark Blue Cross Blue Shield
Humana
MagnaCare
MVP Health Care
Oxford Health Plans
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

4.5

Average provider rating

Based on 17 ratings

Patient Ratings (17)

5 Star

(14)

4 Star

(1)

3 Star

(0)

2 Star

(0)

1 Star

(2)

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Dr. Allendorf's Office & Staff

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Experience with Dr. Allendorf

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

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About Dr. John Allendorf, MD

Specialties*

Surgical Oncology
*Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

Years of Experience

27 years of experience

Languages Spoken

English

NPI Number

1740364397

Education & Certifications

Fellowship

Columbia U/Ny Pres Hospital

Residency

New York Presbyterian Hospital Columbia University Medical Center

Internship

Columbia Presbyterian Medical Center

Medical Education

Columbia University Vagelos College of Physicians and Surgeons

Undergraduate School

John's Hopkins University

Board Certifications

General Surgery

Frequently Asked Questions

View all frequently asked questions View less frequently asked questions

Is Dr. John Allendorf, MD accepting new patients?

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

Does Dr. John Allendorf, MD accept my insurance?

Dr. Allendorf accepts Aetna, Blue Cross Blue Shield and Cigna, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.

Does Dr. John Allendorf, MD offer telehealth services?

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

What practice does Dr. John Allendorf, MD work with?

Dr. Allendorf works at Practice in Mineola, NY with other offices in Patchogue, NY. View the full addresses on Dr. Allendorf’s profile.

What are common conditions Dr. John Allendorf, MD treats?

Dr. Allendorf has seen patients for Retroperitoneum Cancer and Pancreatic Cancer, and more. You can see other conditions treated by Dr. Allendorf on their profile. Please call the provider’s office to confirm all visit reasons.

How do patients rate Dr. John Allendorf, MD in reviews?

17 patients have reviewed Dr. Allendorf. The overall rating for this provider is 4.5. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Allendorf.

What are the benefits of calling vs online scheduling?

Whether a person prefers to schedule an appointment online or over the phone with Dr. Allendorf, there are benefits to both methods. A person calling to schedule an with Dr. Allendorf 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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Dr. John Allendorf, MD

Overview of Dr. John Allendorf, MD

Dr. Allendorf's Office Locations

Hospital Affiliations

Admitting Hospitals

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

View All Accepted Carriers