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Top-Rated Endocrinology Services

Kern Endocrine Center is the largest Endocrinology Clinic in Kern County. We continue to grow and improve patient care as the need for our specialty increases. We are committed to listening to each patient’s concerns and aggressively treating common ailments.

We offer quality care for our endocrine patients by offering patient therapies that include thyroid disorders, thyroid biopsies, diabetic care, insulin pump therapy, male hormone therapy, weight loss management, osteoporosis, lipid management and more.

Kern Endocrine Center’s providers; Jasleen Duggal, M.D.,F.A.C.P, Atam Bir Singh, M.D., M.R.C.P.I, Bruce Dains, P.A., and Jennifer Johnson, F.N.P. are committed to providing each patient with an exceptional level of care, compassion, and understanding. They take their pride in paying close attention to each of the patient’s needs. Our dedicated staff works together as a team to provide high-quality comprehensive care.

Experienced Doctors
Our doctors have over 77 years of combined experience in the endocrinology medical field. We take pride in providing top-rated services in Bakersfield, CA.

Professional & Friendly Staff
Both of our locations in Bakersfield serve an honest and professional staff throughout your entire appointment process.

Same Day Appointments
We understand same day appointments may be needed at times. That’s why we do our best to fit you into our schedule as soon as possible.

Uninsured Patients Accepted
Currently out of insurance? We accept cash payments to those patients not covered by an insurance provider that we accept.


  • Diabetic Management


    Type 1 DM results from the pancreas’s failure to produce enough insulin. This form was previously referred to as “insulin-dependent diabetes mellitus” (IDDM) or “juvenile diabetes”. The cause is unknown.

    Type 2 DM begins with insulin resistance, a condition in which cells fail to respond to insulin properly. As the disease progresses a lack of insulin may also develop. This form was previously referred to as “non-insulin-dependent diabetes mellitus” (NIDDM) or “adult-onset diabetes”. The most common cause is excessive body weight and insufficient exercise.

    Gestational diabetes is the third main form and occurs when pregnant women without a previous history of diabetes develop high blood sugar levels.

  • Diabetes Pump Management
  • Treatment of Thyroid Disorders

    Thyroid Disorders

    There are four general types: 1) hypothyroidism (low function) caused by not having enough thyroid hormones; 2) hyperthyroidism (high function) caused by having too much thyroid hormones; 3) structural abnormalities, most commonly an enlargement of the thyroid gland; and 4) tumors which can be benign or cancerous.

  • Thyroid Biopsies
  • Treatment of Pituitary Disorders

    Pituitary Disorders

    A pituitary disease is a disorder primarily affecting the pituitary gland. Most common Pituitary adenoma, Hypopituitarism, Hyperpituitarism, Diabetes insipidus, Adrenal gland disorder.

  • Metabolic Management


    Metabolic disease is a disease caused by some defect in the chemical reactions of the cells of the body. Metabolic syndrome a combination including at least three of the following: abdominal obesity, hypertriglyceridemia, low level of high-density lipoproteins, hypertension, and high fasting plasma glucose level. It is associated with an increased risk for development of diabetes mellitus and cardiovascular disease.

  • Hormone Management


    Endocrine glands, which are special groups of cells, make hormones. The major endocrine glands are the pituitary, pineal, thymus, thyroid, adrenal glands, and pancreas. In addition, men produce hormones in their testes and women produce them in their ovaries.

    Male- Testicular conditions including impotence, loss of sexual interest, Diminished testosterone production, hypogonadism and fertility.

    Female- Ovarian conditions including abnormal menstrual cycles, polycystic ovary syndrome, hirsutism.

  • Treatment of Adrenal Disorder

    Adrenal Disorders

    Adrenal gland disorders are conditions that interfere with the normal functioning of the adrenal glands. Adrenal disorders may cause hyperfunction or hypofunction and may be congenital or acquired.

    Most common:

    • Cushing’s syndrome
    • Adrenal insufficiency
    • Addison’s disease
    • Pheochromocytoma
  • Treatment of Osteoporosis

Visit http://jasleenduggalmd.com/ for more information

Office Locations

3008 Sillect Ave #220, Bakersfield, CA 93308
Phone: 661-748-1999
Fax: 661-748 1815

4531 Buena Vista Ave #100, Bakersfield, CA 93311

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Jasleen Duggal, MD

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Atam Bir Singh, MD

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Jennifer Johnson, FNP
Certified Family Nurse Practitioner

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Darryl Christian R. Altavas, FNP
Certified Family Nurse Practitioner

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