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Dr. Derek Mafong, MD

Dr. Derek Mafong, MD

San Diego, CA

18 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mafong, Endocrinologist in San Diego, CA?

    Dr. Derek Mafong, MD is an Endocrinologist, who primarily practices in San Diego, CA with 2 additional practice locations. He has been practicing for over 18 years and is board certified by the American Board of Internal Medicine. Dr. Mafong completed his residency at Western Reserve Case System. Dr. Mafong is fluent in English and Spanish, and is currently seeing new patients. Dr. Mafong’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mafong’s office at (619) 543-5840.

    Where did Dr. Mafong go to medical school and complete their residency?

    • Fellowship: University of California At San Diego

    • Residency: Western Reserve Case System

    Is Dr. Mafong board certified in Endocrinologist?

    Yes, Dr. Derek Mafong, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mafong speak?

    Dr. Mafong and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Mafong treat?

    As a Endocrinologist, Dr. Mafong diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Mafong. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Graves' Disease
    • Hyperthyroidism
    • Graves' disease
    • Graves Disease
    • Hyperthyroidism (Overactive Thyroid)
    • Hyperthyroidism with Goiter
    • Toxic Diffuse Goiter
    • Overactive Thyroid with Enlarged Gland
    • Overactive Thyroid
    • Thyrotoxicosis
    • High Thyroid Function

    ICD-10 Codes:

    • E0500: Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm
    • E0590: Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Transgender Identity
    • Gender Dysphoria
    • Transsexual Identity
    • Gender Transition

    ICD-10 Codes:

    • F640: Transsexualism

    Also known as:

    • Single Nontoxic Thyroid Nodule
    • Thyroid Disease
    • Benign Thyroid Nodule
    • Solitary Thyroid Nodule

    ICD-10 Codes:

    • E041: Nontoxic single thyroid nodule

    Also known as:

    • Thyroid Cancer
    • Thyroid Carcinoma
    • Malignant Thyroid Nodule
    • Thyroid Gland Cancer

    ICD-10 Codes:

    • C73: Malignant neoplasm of thyroid gland

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    Also known as:

    • Gender Dysphoria
    • Gender incongruence
    • Gender identity issues

    ICD-10 Codes:

    • F649: Gender identity disorder, unspecified

    Also known as:

    • Other Health Condition
    • Unspecified Health Issue
    • General Health Concern
    • Other Medical Condition

    ICD-10 Codes:

    • Z789: Other specified health status

    Also known as:

    • Testicular Hypofunction
    • Testicular Disorder
    • Underactive Testicles
    • Low Testicular Function
    • Hypogonadism

    ICD-10 Codes:

    • E291: Testicular hypofunction

    Also known as:

    • Benign Pituitary Tumor
    • Benign Tumor
    • Pituitary Disorder
    • Pituitary Tumor Treatment (PDQ)
    • Prolactinoma
    • Non-cancerous growth in pituitary gland
    • Pituitary adenoma

    ICD-10 Codes:

    • D352: Benign neoplasm of pituitary gland

    Also known as:

    • Thyroid Cancer
    • Thyroid Gland Cancer
    • Papillary Thyroid Cancer
    • Follicular Thyroid Cancer

    ICD-10 Codes:

    • Z85850: Personal history of malignant neoplasm of thyroid

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Adrenal Insufficiency
    • Addison Disease
    • Underactive Adrenal Gland
    • Adrenocortical Hypofunction
    • Adrenal Crisis

    ICD-10 Codes:

    • E2740: Unspecified adrenocortical insufficiency

    Also known as:

    • Hormone Replacement Therapy
    • HRT
    • Hormone therapy
    • Menopausal hormone treatment

    ICD-10 Codes:

    • Z79890: Hormone replacement therapy

    Also known as:

    • Bardet-Biedl Syndrome
    • BBS
    • Genetic multi-system disorder
    • Ciliopathy

    ICD-10 Codes:

    • Q8783: Bardet-Biedl syndrome

    Also known as:

    • Primary Hyperparathyroidism
    • Parathyroid Disorder
    • Familial isolated hyperparathyroidism
    • Overactive Parathyroid Gland
    • High Parathyroid Hormone
    • PTH Overproduction

    ICD-10 Codes:

    • E210: Primary hyperparathyroidism

    Also known as:

    • Type 1 Diabetes
    • Diabetes Type 1
    • Type 1 diabetes
    • Diabetes Tests & Diagnosis
    • Juvenile Diabetes
    • Insulin-Dependent Diabetes
    • T1D

    ICD-10 Codes:

    • E109: Type 1 diabetes mellitus without complications

    Also known as:

    • Underactive Pituitary Gland
    • Pituitary Disorder
    • Combined pituitary hormone deficiency
    • Isolated growth hormone deficiency
    • Hypopituitarism
    • Pituitary Hormone Deficiency
    • Low Pituitary Function

    ICD-10 Codes:

    • E230: Hypopituitarism

    Also known as:

    • Non-Medical Procedure
    • Elective procedure (non-health)
    • Procedure for other purposes
    • Non-therapeutic intervention

    ICD-10 Codes:

    • Z418: Encounter for other procedures for purposes other than remedying health state

    Does Dr. Mafong accept my insurance?

    Dr. Mafong accepts most major insurance plans. Important: Please call our office at (619) 543-5840 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mafong accept in San Diego, CA?

    Dr. Mafong in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Elevance Health Inc. (formerly Anthem)

    • Federal Employee Program

    • Kaiser Permanente

    • Medicare

    • Molina

    • Other Health Care Provider

    View All Insurances

    Where is Dr. Mafong's office located?

    Dr. Derek Mafong's Primary Practice

    3851 Shaw Ridge Rd

    San Diego, CA 92130

    (619) 543-5840

    Get Directions

    Dr. Derek Mafong's Practice 2

    4168 Front St

    San Diego, CA 92103

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    Dr. Derek Mafong's Practice 3

    9350 Campus Point Dr

    La Jolla, CA 92037

    Get Directions

    What is Dr. Mafong's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Mafong's National Provider Identifier (NPI) number is 1699781633.

    What common questions do patients ask about Dr. Mafong?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mafong

    What is Dr. Derek Mafong's specialty?

    Dr. Mafong is a Endocrinologist near San Diego, CA. An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues. Contact Dr. Mafong to book an appointment today.

    Is this Dr. Derek Mafong affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mafong is affiliated with Kaiser Permanente San Diego Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Endocrinologist?

    Explore Endocrinologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Derek Mafong accepting new patients in San Diego, CA?

    Yes, Dr. Derek Mafong is accepting new patients at this time.

    Does Dr. Derek Mafong offer online booking?

    Please contact Dr. Mafong's office at (619) 543-5840 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Derek Mafong?

    Please contact Dr. Mafong's office at (619) 543-5840 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Derek Mafong have?

    Dr. Derek Mafong is certified by the American Board of Internal Medicine.

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