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Dr. Jonathan D Leffert Is this you?

About Dr. Jonathan D Leffert

Dr. Jonathan D Leffert, MD is a Doctor primarily located in Dallas, TX. He has 35 years of experience. His specialties include Endocrinology, Diabetes & Metabolism and Internal Medicine. Dr. Leffert is affiliated with Texas Health Presbyterian Hospital Plano. Dr. Leffert has received 3 awards. He speaks English.

Rating Overview

35 Ratings with 18 Comments

The overall average patient rating of Dr. Jonathan D Leffert is Good. Dr. Jonathan D Leffert has been rated by 35 patients. From those 35 patients 18 of those left a comment along with their rating. The overall rating for Dr. Jonathan D Leffert is 2.8 of 5.0 stars.

Mapbox Map of Dr. Jonathan D Leffert

Primary Address

North Texas Endocrine Center Pa

9301 N Central Expy Ste 570
Dallas, TX 75231
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Dr. Jonathan D Leffert has the following 2 specialties

  • Endocrinology, Diabetes & Metabolism
  • Internal Medicine

    An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.
    These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.
    In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.

  • Expertise

    16 Expertise

  • Cushing Disease
  • Diabetes
  • Endocrinology
  • Addison Disease
  • Hyperthyroidism
  • Weight Loss
  • Hypothyroidism
  • Diabetes (Types I & II)
  • Hypopituitarism
  • Diabetes Mellitus, Type 1
  • Thyroid Diseases
  • Hormones
  • Acromegaly
  • Gland Issues
  • Fatigue
  • Pituitary Diseases

Board Certifications

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.


Showing 5 of 35

Be prepared to wait hours with unfriendly staff!

We waited 120 minutes past our appointment time to see the doctor. He's fine. He's not worth the wait. The staf is unfriendly and uncaring. I saw them ignore two elsesey people who knocked on the window. And when it was finally our turn to be seen, they acted like we were inconveniencing them. Horrendous experience.

Wait time
60 minutes
Easy Appointment
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Appropriate Follow-up
Full Review Rating Breakdown
You'll end up frastrating

Dr.Leffert seems very knowledgeble, freindly, considerable, reliable in everyway at the initial visit even he was available on time with me, but, you'll end up frastrating with his time management issue. He doesn't care how much time you waited for. Plus, his office staff are horribly unproffetional. mostly rude and never call you back even they promised you to so. They don't care about you at all.

Wait time
56 minutes
Easy Appointment
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Appropriate Follow-up
Full Review Rating Breakdown
One Star

Been coming here for years but always wait about an hour. 2 yrs had to leave and reschedule. Drives me mad but pain in the neck to switch.

Wait time
45 minutes
Easy Appointment
Friendly Staff
Bedside Manner
Spends Time with Me
Full Review Rating Breakdown
One Star

Dr. Leffert needs to improve and manage time between patients. Also, he need to not let you wait in room too long! Also, please advise receptionist of professionalism esp when answering the phone. Ex. Identify who you're associated with and give your first name, please! I spoke with the receptionist and (Juanita) didn't want to tell me! I already had informed her I was Dr. Leffert's client and I needed his NPI number for my medical insurance. She replied after I asked her a couple times, "we don't give our names to anybody". Identifying who you are when you answer the phone is proper telephone etiquette. Perhaps Juanita need additional training. After all she represents the office. Thanks, Concerned

Wait time
25 minutes
Easy Appointment
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Appropriate Follow-up
Full Review Rating Breakdown
Two Stars

Dr. Leffert was a complete jerk - made me feel inferior and stupid. Wouldn't recommend him whatsoever.

Easy Appointment
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Appropriate Follow-up
Full Review Rating Breakdown
  • Awards

    3 Awards

  • Regional Top Doctors

    Castle Connolly is America's trusted source for the identification of Top Doctors. Their physician-led research team reviews and screens the credentials of tens of thousands of physicians who are nominated by their peers annually, via a nationwide online process, before selecting those physicians who are regionally or nationally among the very best in their medical specialties. Castle Connolly believes strongly that Top Doctors Make a Difference™.

  • Bridges to Excellence: Physician Office Systems Recognition Program

    This program is designed to recognize practices that use information systems to enhance the quality of patient care. To obtain Recognition, practices must demonstrate that they have implemented systematic office

  • Bridges to Excellence: Diabetes Care Recognition Program

    Millions of Americans have some form of diabetes, and millions more cases are undiagnosed. To encourage more effective treatment and management, Bridges To Excellence® worked with diabetes experts to develop

  • Hospital Affiliations

    Dr. Leffert is affiliated (can practice and admit patients) with the following hospital(s).

  • Education

    35 Years Experience

  • University Of Minnesota Medical School

    Graduated in 1983

  • Dallas Co Hp Parkland Memorial


  • Accepted Insurance

    Dr. Jonathan D Leffert accepts the following insurance providers.

  • Aetna
    • Aetna Choice POS II
    • Aetna HMO
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
  • BCBS Blue Card
    • BCBS Blue Card PPO
  • BCBS Texas
    • BCBS TX BlueChoice
    • BCBS TX HMO Blue Texas
  • Cigna
    • CIGNA LocalPlus
    • CIGNA Open Access Plus
  • Humana
    • Humana Choice POS
    • Humana ChoiceCare Network PPO
    • Humana National POS
    • Humana Preferred PPO
  • Multiplan
    • Multiplan PPO
    • PHCS PPO
  • United Healthcare
    • UHC Choice Plus POS
    • UHC Navigate HMO
    • UHC Navigate POS
    • UHC Options PPO
  • View by Location

Locations & Directions

North Texas Endocrine Center Pa, 9301 N Central Expy Ste 570, Dallas, TX


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  • Nearby Doctors

    Dr. Jonathan D Leffert is similar to the following 0 Doctors near Dallas, TX.