Dr. Douglas Zlock, MD

Dr. Douglas Zlock, MD

Endocrinology, Diabetes & Metabolism  |  
Male  |  
Age 59
(6)
Insurances AcceptedSave
Dr. Douglas Zlock, MD is an endocrinology, diabetes & metabolism doctor who practices in Walnut Creek, CA. He is 59 years old and has been practicing for 31 years. Dr. Zlock is affiliated with John Muir Medical Center - Concord and John Muir Medical Center - Walnut Creek.

1450 Treat Blvd

Walnut Creek, CA 94597

Contact Information

(925) 296-9000

Insurance Accepted

  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Zlock

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Zlock performs your care needs compared to other doctors.

Diabetes Counseling
very high
more than 99% of peers
Thyroid Disease
very high
more than 98% of peers
Hypothyroidism
very high
more than 96% of peers

Dr. Zlock's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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2

Specialties

  • Endocrinology, Diabetes & Metabolism
  • Internal Medicine
2

Board Certifications

  • Diabetes, Metabolism & Endocrinology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
49

Conditions Treated

  • Abnormal Thyroid
  • Acromegaly and Gigantism
  • Adrenal Gland Diseases
  • Adrenal Insufficiency
  • Autoimmune Diseases
  • Autoimmune Thyroid Diseases
  • Benign Tumor
  • Bone Disorders
  • Breast Diseases
  • Calcium Metabolism Disorders
  • Cancer
  • Diabetes Mellitus, Secondary
  • Diabetes Type 1
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Ketoacidosis
  • Diabetic Retinopathy
  • Goiter
  • Graves' Disease
  • Gynecomastia
  • Hashimoto's Disease
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperkalemia
  • Hyperlipidemia
  • Hyperparathyroidism
  • Hyperthyroidism
  • Hypoglycemia
  • Hypokalemia
  • Hypoparathyroidism
  • Hyposmolality and Hyponatremia
  • Hypothyroidism
  • Kidney Disease
  • Lipid Disorders
  • Malaise and Fatigue
  • Menstrual Disorders (incl. Dysmenorrhea)
  • Obesity
  • Osteopenia
  • Osteoporosis
  • Overweight
  • Polycystic Ovarian Syndrome
  • Retina Diseases
  • Symptomatic Menopause
  • Testicular Dysfunction
  • Thyroid Cancer
  • Thyroid Cyst
  • Thyroid Disease
  • Thyroiditis
  • Vitamin D Deficiency

More

Read More
2

Procedures

  • Continuous Glucose Monitoring
  • Diabetes Counseling

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Temple University School Of Medicine
    Medical School | Graduated 1986
  • University Nm School Med
    Internship Hospital | Completed 1987
  • University Nm School Med
    Residency Hospital | Completed 1989
  • University Of California San Francisco
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Zlock has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Zlock does not have any memberships or affiliations listed. If you are Dr. Zlock and would like to add memberships or affiliations, please update your profile.

Dr. Zlock's Reviews

Likelihood of recommending Dr. Zlock to family and friends
3.8
based on 6 total reviews
Dr. Zlock's Performance
  • Trustworthiness
    VERY GOOD
  • Explains condition(s) well
    VERY GOOD
  • Answers Questions
    VERY GOOD
  • Time well spent
    VERY GOOD
Office & Staff Performance
  • Scheduling
    GOOD
  • Office environment
    VERY GOOD
  • Staff friendliness
    GOOD
  • Average wait time
    10 to 15 minutes
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Visit Dr. Zlock

Now Accepting New Patients
Dr. Zlock accepts 5 insurance carriers
  • Blue Cross Blue Shield
    Blue Card PPO
  • Blue Cross Blue Shield of California
    Blue Cross Blue Shield of California PPO
    Select Plus HMO
  • Blue Shield of California
    Access Plus Savenet
    Local Access Plus HMO
  • Cigna
    Cigna HMO
    Cigna PPO
    LocalPlus
    Open Access Plus
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Zlock has admitting privileges

John Muir Medical Center - Concord
2540 East St
Concord, CA 94520
View Hospital Profile
John Muir Medical Center - Walnut Creek
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
View Hospital Profile

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