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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. Katherine Jacob:

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Katherine Jacob is Average. Dr. Jacob has been reviewed by 7 patients who have provided 4 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 3.8
Courteous Staff 3.2
Accurate Diagnosis 3.2
Bedside Manner 3.4
Spends Time with Me 3.4
Follows Up After Visit 2.8

Specialties & Research

Dr. Katherine Jacob, MD is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.


Dr. Jacob has 8 hospital affiliations:

  • Texas Health Presbyterian Hospital Allen 
  • Parkland Health & Hospital System 


  • Spanish
  • Armenian

> Dr. Katherine Jacob, MD
Additional Information
Dr. Katherine Nicholas Jacob MD is a female Internist, has 12 years of experience and practices in Internal Medicine and Endocrinology, Diabetes & Metabolism.
Where does Dr. Katherine N. Jacob practice?
Dr. Katherine Jacob has 2 office locations.
Dr. Katherine Jacob practices Internal Medicine and Endocrinology, Diabetes & Metabolism near , .