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Dr. Heidi Gassner, MD

Pediatric Endocrinologist, Pediatrician, Endocrinologist

Oakland, CA

23 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gassner, Pediatric Endocrinologist in Oakland, CA?

    Dr. Heidi Gassner, MD is a Pediatric Endocrinologist, who primarily practices in Oakland, CA with 2 additional practice locations. She has been practicing for over 23 years and is board certified. Dr. Gassner completed her residency at Univ Ca Sf Sch Of Med, Pediatric Endocrinology Women & Infants Hosp, Neonatal-Perinatal Medicine Baystate Med Ctr, Pediatrics. Dr. Gassner is fluent in English, and is currently seeing new patients. Dr. Gassner’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gassner’s office at (510) 752-1000.

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

    • Residency: Univ Ca Sf Sch Of Med, Pediatric Endocrinology Women & Infants Hosp, Neonatal-Perinatal Medicine Baystate Med Ctr, Pediatrics

    • Medical School: Wayne State Universtiy School Of Medicine

    Is Dr. Gassner board certified as a Pediatric Endocrinologist?

    Yes, Dr. Heidi Gassner, MD is board certified by the American Board of Pediatrics

    What languages does Dr. Gassner speak?

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

    • English

    What conditions does a Pediatric Endocrinologist like Dr. Gassner typically treat?

    As a Pediatric Endocrinologist, Dr. Gassner 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. Gassner. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Early Puberty
    • Puberty
    • Central precocious puberty
    • Precocious puberty
    • Puberty at a young age

    ICD-10 Codes:

    • E301: Precocious puberty

    Also known as:

    • Short Stature in Children
    • Growth Disorder
    • Child Growth Problems
    • Dwarfism
    • Growth Retardation

    ICD-10 Codes:

    • R6252: Short stature (child)

    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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Adrenal Gland Overactivity
    • Adrenal Gland Disorder
    • Adrenocortical Hyperfunction
    • Excess Adrenal Hormones
    • Adrenal Hyperactivity

    ICD-10 Codes:

    • E270: Other adrenocortical overactivity

    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

    What procedures does a Pediatric Endocrinologist like Dr. Gassner typically perform?

    As a Pediatric Endocrinologist, procedures performed by Dr. Heidi Gassner may include:

    Please contact Dr. Gassner's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Gassner accept my insurance?

    Dr. Gassner accepts most major insurance plans. Important: Please call our office at (510) 752-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gassner accept in Oakland, CA?

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

    Top Insurances

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Health Plan of San Joaquin

    • Hill Physicians Medical Group

    • Kaiser Permanente

    View All Insurances

    Where is Dr. Gassner's office located?

    Dr. Heidi Gassner's Primary Practice

    275 W MacArthur Blvd

    Oakland, CA 94611

    (510) 752-1000

    Get Directions

    Dr. Heidi Gassner's Practice 2

    505 Parnassus Ave

    San Francisco, CA 94143

    Get Directions

    Dr. Heidi Gassner's Practice 3

    975 Sereno Dr

    American Canyon, CA 94589

    Get Directions

    What hospitals are Dr. Gassner affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Gassner has admitting privileges at the following hospitals:

    Lucile Packard Childrens Hospital Stanford,Palo Alto, CA

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

    Dr. Gassner's National Provider Identifier (NPI) number is 1831277557.

    What common questions do patients ask about Dr. Gassner?

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

    What is Dr. Heidi Gassner's specialty?

    Dr. Gassner is a Pediatric Endocrinologist near Oakland, CA.

    What does a Pediatric Endocrinologist do?

    A pediatrician specializing in the care of infants, children, and adolescents with diseases caused by abnormalities in the endocrine glands, which produce hormones. This includes conditions such as diabetes mellitus, growth failure, atypical body size for age, early or delayed puberty, congenital abnormalities, and disorders affecting the thyroid, adrenal, and pituitary glands, as well as the genital region.

    Is Dr. Heidi Gassner affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gassner is affiliated with Kaiser Permanente Oakland 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

    When to see a Pediatric Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pediatric Endocrinologist. Explore 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 Dr. Heidi Gassner accepting new patients in Oakland, CA?

    Yes, Dr. Heidi Gassner is accepting new patients at this time.

    Does Dr. Heidi Gassner offer online booking?

    Please contact Dr. Gassner's office at (510) 752-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Heidi Gassner?

    Please contact Dr. Gassner's office at (510) 752-1000 to schedule an appointment.

    Where is Dr. Gassner's office located?

    Dr. Gassner's offices are located in Oakland, CA, San Francisco, CA, and American Canyon, CA.

    Which board certifications does Dr. Heidi Gassner have?

    Dr. Heidi Gassner is certified by the American Board of Pediatrics.