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Dr. Jeffrey Unger, MD

Endocrinology, Diabetes & Metabolism* Age 71
Dr. Jeffrey Unger, MD
4.0 (32 Ratings)
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Dr. Jeffrey Unger, MD is a Diabetes & Metabolism Endocrinologist in Rancho Cucamonga, CA.
Dr. Jeffrey Unger, MD
4.0 (32 Ratings)
 Share
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Link Copied!
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Dr. Jeffrey Unger, MD

Endocrinology, Diabetes & Metabolism* Age 71
Rancho Cucamonga, CA
Accepting new patients
44 years of experience
Dr. Jeffrey Unger, MD is a Diabetes & Metabolism Endocrinologist in Rancho Cucamonga, CA.

About

Dr. Unger graduated from Northwestern University Feinberg School of Medicine. Dr. Jeffrey Unger, MD is a Diabetes & Metabolism Endocrinologist in Rancho Cucamonga, CA and has 44 years experience. Dr. Unger currently practices at Practice and are affiliated with Saint George Regional Hospital, San Antonio Regional Hospital, Flagstaff Medical Center and Havasu Regional Medical Center. Dr. Unger has experience treating conditions like Diabetic Ketoacidosis and All Headaches (incl. Migraine) among other conditions at varying frequencies. At present, Dr. Unger received an average rating of 4.0/5 from patients and has been reviewed 32 times. Dr. Unger's office accepts new patients. Dr. Unger also speaks Spanish. Dr. Unger is board certified in Family Practice and accepts multiple insurance plans.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Diabetic Ketoacidosis
All Headaches (incl. Migraine)
Continuous Glucose Monitoring
Diabetic Ketoacidosis
All Headaches (incl. Migraine)
Continuous Glucose Monitoring
Diabetic Ketoacidosis
All Headaches (incl. Migraine)
Continuous Glucose Monitoring
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Drug and Alcohol Dependence
Dyslipidemia
Hyperlipidemia
Hypogonadism
Hypothyroidism
Leg and Foot Ulcers
Lipid Disorders
Malaise and Fatigue
Obesity
  • View other providers who treat Obesity
Opioid Dependence
Osteoporosis
Sedative, Hypnotic, or Anxiolytic Dependence
Testicular Dysfunction
Urinary Tract Infection (UTI)
Vitamin D Deficiency
Vitamin_Deficiency
Arterial Blood Gas Test (ABG)
Cardiovascular Disease Counseling
Electrocardiogram (EKG)
Immunization Administration
Thyroid Hormone Replacement
Actinic Keratosis
Acute Bronchitis
Acute Upper Respiratory Infection
Adrenal Gland Diseases
Allergic Rhinitis
Anemia
  • View other providers who treat Anemia
Animal Allergies
Anxiety
  • View other providers who treat Anxiety
Asthma
  • View other providers who treat Asthma
Asymptomatic Post-Menopausal Status
Autoimmune Thyroid Diseases
Back Pain
Bronchitis
Calcium Metabolism Disorders
Cellulitis
Chronic Deep Vein Thrombosis (DVT)
Chronic Depression (Dysthymia)
Chronic Pain
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cushing's Syndrome
Deep Vein Thrombosis (DVT)
Dehydration
Depression
Depressive Disorders
Diabetes
  • View other providers who treat Diabetes
Earwax Buildup
Eczema and Contact Dermatitis
Endocrine Disorders
Esophagitis
Essential Tremor
Gastroesophageal Reflux Disease (GERD)
Goiter
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Gout
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Graves' Disease
Hair Loss
Headache
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Heart Disease
Hormone Imbalance
Hypercalcemia
Hyperkalemia
Hyperparathyroidism
Hypertension
Hyperthyroidism
Hypoglycemia
Hypopituitarism
Insomnia
  • View other providers who treat Insomnia
Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
Low Back Pain
Migraine
  • View other providers who treat Migraine
Mineral Metabolism Disorders
Mood Disorders (Dysthymia and Cyclothymia)
Muscle Spasm
Nasopharyngitis
Nausea
  • View other providers who treat Nausea
Overweight
Parathyroid (Gland) Disease
Peripheral Nerve Disorders
Pituitary Disease
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Polycystic Ovarian Syndrome
Polyneuropathy
Reflux Esophagitis
Renal Hyperparathyroidism
Secondary Hyperparathyroidism
Testosterone Deficiency
Thyroid Disease
Thyroid Goiter
Thyroid Nodule
Vitamin B12 Anemia
Vitamin B12 Deficiency
ACTH (Cosyntropin) Stimulation Test
Alcohol Misuse Screening and Counseling
Alcohol or Substance Misuse Screening and Counseling
Anemia and Iron Deficiency Screening
Arrhythmia Screening
Audiometry
Bacteriuria Screening
Blood Allergy Testing
Bone Density Scan
Botox® for Chronic Migraine
Breast Cancer Screening
Cancer Screening
Cardiac Ultrasound
Cardiovascular Stress Test
Chest Pain Evaluation
Chlamydia Infection Screening
Cholesterol Screening
Chronic Diabetes Management
Dementia Evaluation
Dementia or Depression Screening
Detoxification Evaluation
Dexamethasone Suppression Test
Diabetes Screening
Diabetic Evaluation
Dipstick Urinalysis
Disability Evaluation
Drug Allergy Testing
Drug Testing
Drug Treatment
Dual-Energy X-Ray Absorptiometry (DEXA) Scan
Dynamic Endocrine Function Test
Dyslexia Assessment
Endometrial Biopsy
Epidural Injection
Evaluation and Treatment of Sleep Disorders
Fecal Occult Blood Test for Colorectal Cancer
Fetal Cardiac Screening
Fracture Care
Genetic Screening for Breast Cancer
Geriatric Assessment
Gonorrhea Screening
Group Psychotherapy
Health Screening
HeartAware Online Risk Screening
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Herpes Simplex Screening
HIV Screening
Home Sleep Study
Hypnosis (Medical Hypnotherapy)
Impairment Rating Evaluation
Independent Educational Evaluation
Insulin Pump Therapy
Joint Fluid Test
Joint Injection
Lyme Disease Evaluation
Mammography
McMurray's Test
Melanoma Screening
Memory Evaluation
Menopause Evaluation and Treatment
Mental Status Examination
Mole Evaluation
Nerve Blocks
Obesity Counseling
Opioid Antagonist Therapy
Oral Glucose Tolerance Test
Osteoporosis Screening
Ovarian Cancer Screening
Pap Smear
Patch Testing
Pelvic Exams
Physical Examination
Pre-Operative Evaluation
Pregnancy Test
Prostate Cancer Screening
Prostate Cancer Screening Exam (DRE)
Psychiatric Evaluation
Psychiatric Evaluation - Child and Adolescent
Psychological Evaluation
Psychological Evaluations Prior to Bariatric Surgery
Rapid Flu Test
Sexually Transmitted Infections Screening
Skin Screenings
Skin Surgery
Skin Testing and Screening
Spinal and Postural Screening
STD Screening
Strep Test
Suboxone® Treatment
Syphilis Screening
Thyroid Nodule Evaluation
Thyroid Scan
Thyroid Screening
Trichomoniasis Screening
Tuberculosis Screening
Ultrasound, Thyroid
Urine Pregnancy Test
Vaccination
Vaginosis Screening
VAP Lipid Testing
Water Deprivation Test
Wheelchair Evaluation
Worker's Compensation Evaluations

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • CA Healthnet PPO
  • Blue Card PPO
  • Prudent Buyer Small Group CA PPO
    Prudent Buyer Individual CA PPO
    Prudent Buyer Large Group CA PPO
  • Northern CA Cigna + Oscar LocalPlus EPO
    Northern CA Cigna + Oscar Open Access Plus EPO
  • Premier Care Network Plus - Innovation Health
    Choice Plus POS II
    Managed Choice (Open Access) POS
    Elect Choice (Open Access) EPO
  • Choice Plus POS
    Options PPO
    Nexus Open Access
  • Advantage Preferred DirectAccess Plus PPO
  • LocalPlus
    Open Access Plus
    Cigna PPO

Locations

  1. 1 Office
    9220 Haven Ave Ste 230, Rancho Cucamonga, CA 91730
    Icon Directions Right Arrow Directions Phone Icon (909) 484-2105

Patient Satisfaction

Likelihood to recommend Dr. Unger
4.0
Based on 32 Reviews
5 Stars (23)
4 Stars (0)
3 Stars (1)
2 Stars (1)
1 Star (7)

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Patient Reviews
May 24, 2024
The absolute best doctor I’ve ever been to. Hands down, Dr. Unger found the diagnosis that others had missed. He’s brilliant at his craft and has the attention to detail that others lack. He was with me for my appointment for over an hour. I never once felt rushed or that he was inconvenienced. You can see the respect, love and admiration Dr. Unger has for his patients. I actually look forward to my follow up appointments with him. His staff is remarkable too, not the typical nurses that seem to hate their job, you see the opposite here at his office. How lucky are we as his patients! I know I’m in the best hands.
H.M. — May 24, 2024
See more reviews on Healthgrades
Photo: Dr. Jeffrey Unger, MD
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Dr. Unger's Office & Staff

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

Experience with Dr. Unger

  • 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 Me

Languages Spoken
Spanish
Languages Spoken
Specialties*
Endocrinology, Diabetes & Metabolism
Family Medicine
Addiction Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Northwestern University Feinberg School of Medicine
    1980
Medical Education

Board Certifications

Board Certifications
  • Family Practice
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Internship

Internship
  • Kern Medical Center
    1981
Internship
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Unger communicate via email?
4 users said yes.
Yes
(4)
No
(0)
Does Dr. Unger offer telehealth services or virtual visits?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Unger offer an online patient portal?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Unger have free onsite parking?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Unger offer weekend visits?
4 users said yes.
Yes
(4)
No
(1)
Does Dr. Unger offer evening visits?
5 users said yes.
Yes
(5)
No
(1)
Does Dr. Unger specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Unger specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Unger specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Unger specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Unger accept insurance?
No responses yet.
Yes
(0)
No
(0)

Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Jeffrey Unger, MD. To arrange an appointment, call the number on Dr. Unger's profile.

Dr. Unger frequently treats the following conditions: Diabetic Ketoacidosis and All Headaches (incl. Migraine). See more on Sharecare.

Dr. Jeffrey Unger, MD is affiliated with Saint George Regional Hospital, San Antonio Regional Hospital, Flagstaff Medical Center and Havasu Regional Medical Center.

Yes, Dr. Jeffrey Unger, MD holds board certification in Family Practice.

Hospital Affiliations

  • Saint George Regional Hospital

    1380 E Medical Center Dr, St George, UT

  • San Antonio Regional Hospital

    999 San Bernardino Rd, Upland, CA

  • Flagstaff Medical Center

    1200 N Beaver St, Flagstaff, AZ

  • Havasu Regional Medical Center

    101 Civic Center Ln, Lake Havasu City, AZ