> > > > Dr. Daniel Koretz, MD
Dr. Daniel Joel Koretz MD is a male Internist, has 41 years of experience and practices in Internal Medicine.
Dr. Daniel Koretz has 1 office location.
6200 Slocum Rd
Ontario, NY 14519

Phone Number
Locations and availability (1)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Daniel Koretz:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

  • Currently 2.5 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Daniel Koretz is Good. Dr. Koretz has been reviewed by 6 patients who have provided 3 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Promptness 3.3
  • Currently 3.25 of 4 stars
Courteous Staff 3.0
  • Currently 3 of 4 stars
Accurate Diagnosis 3.8
  • Currently 3.75 of 4 stars
Bedside Manner 3.0
  • Currently 3 of 4 stars
Spends Time with Me 3.4
  • Currently 3.4 of 4 stars
Follows Up After Visit 3.5
  • Currently 3.5 of 4 stars

Specialties & Research

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Koretz graduated from Albany Medical College.


Dr. Koretz has 2 hospital affiliations:

  • ViaHealth - Rochester General Hospital 
  • Strong Memorial Hospital 

Accepted Insurance Plans

Dr. Koretz accepts these health insurances in at least one office:

  • United Healthcare - 22 plans
  • HIP Health Plan of New York - 8 plans
  • Excellus Blue Cross Blue Shield - 23 plans
  • Univera Healthcare - 6 plans
  • Fidelis Care - 3 plans

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Additional Information
Where does Dr. Daniel J. Koretz practice?
Dr. Daniel Koretz practices Internal Medicine near Ontario, NY.
See Ontario Internists.