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Dr. Agnieszka Janisiewicz, MD

San Leandro, CA

Accepting patients

    Who is Dr. Janisiewicz, Otolaryngologist in San Leandro, CA?

    Dr. Agnieszka Janisiewicz, MD is an Otolaryngologist, who primarily practices in San Leandro, CA with 2 additional practice locations. She is board certified. Dr. Janisiewicz is fluent in English, and is currently seeing new patients. Dr. Janisiewicz’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Janisiewicz’s office at (510) 454-1000.

    What languages does Dr. Janisiewicz speak?

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

    • English

    What conditions does Dr. Janisiewicz treat?

    As a Otolaryngologist, Dr. Janisiewicz 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. Janisiewicz. 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:

    • Other Post-Surgery Condition
    • Postoperative State
    • Recovery After Surgery
    • Surgical Follow-up

    ICD-10 Codes:

    • Z98890: Other specified postprocedural states

    Also known as:

    • Chronic Sinusitis
    • Sinusitis
    • Chronic sinus infection
    • Long-term sinus problems
    • Persistent sinus inflammation
    • Maxillary sinus inflammation

    ICD-10 Codes:

    • J329: Chronic sinusitis, unspecified
    • J320: Chronic maxillary sinusitis

    Also known as:

    • Having a Tracheostomy
    • Tracheal Disorder
    • Trach tube
    • Tracheotomy
    • Tracheal opening

    ICD-10 Codes:

    • Z930: Tracheostomy status

    Also known as:

    • Special Medical Examination
    • Specific health check
    • Detailed medical assessment
    • Special health screening

    ICD-10 Codes:

    • Z0189: Encounter for other specified special examinations

    Also known as:

    • Nosebleed
    • Enlarged Nasal Turbinates
    • Nose Injuries and Disorder
    • Epistaxis
    • Bleeding nose
    • Nasal hemorrhage
    • Turbinate hypertrophy
    • Swollen turbinates
    • Congested turbinates

    ICD-10 Codes:

    • R040: Epistaxis
    • J343: Hypertrophy of nasal turbinates

    Also known as:

    • Deviated Septum
    • Nose Injuries and Disorder
    • Crooked nose septum
    • Nasal blockage
    • Septal deviation

    ICD-10 Codes:

    • J342: Deviated nasal septum

    Also known as:

    • Nasal Polyp
    • Nose Injuries and Disorder
    • Polyp in nose
    • Nasal growth
    • Sinus polyp

    ICD-10 Codes:

    • J339: Nasal polyp, unspecified

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Nose and Sinus Disorder
    • Nose Injuries and Disorder
    • Nasal problems
    • Sinus problems
    • Nose and sinus conditions

    ICD-10 Codes:

    • J3489: Other specified disorders of nose and nasal sinuses

    Also known as:

    • Personal History of Lip, Mouth, or Throat Cancer
    • Oral Cancer
    • Throat Cancer
    • Past oral cancer
    • Previous pharyngeal malignancy
    • History of mouth tumor

    ICD-10 Codes:

    • Z85818: Personal history of malignant neoplasm of other sites of lip, oral cavity, and pharynx

    Also known as:

    • Non-Allergic Rhinitis
    • Allergy
    • Vasomotor rhinitis
    • Chronic runny nose
    • Non-allergic nasal inflammation

    ICD-10 Codes:

    • J300: Vasomotor rhinitis

    Also known as:

    • Sensorineural Hearing Loss
    • Hearing Disorder and Deafness
    • Nonsyndromic hearing loss
    • Nerve Deafness
    • Inner Ear Hearing Loss
    • SNHL
    • Permanent Hearing Loss

    ICD-10 Codes:

    • H903: Sensorineural hearing loss, bilateral

    Also known as:

    • Blocked Earwax
    • Ear Disorder
    • Impacted earwax
    • Earwax impaction
    • Excess earwax

    ICD-10 Codes:

    • H6123: Impacted cerumen, bilateral

    Also known as:

    • Chronic Cough
    • Cough
    • Persistent cough
    • Long-lasting cough
    • Ongoing cough

    ICD-10 Codes:

    • R053: Chronic cough

    Also known as:

    • Localized Swollen Lymph Nodes
    • Enlarged glands in one area
    • Local lymphadenopathy
    • Swollen glands

    ICD-10 Codes:

    • R590: Localized enlarged lymph nodes

    Also known as:

    • Allergic Rhinitis
    • Allergy
    • Nasal allergies
    • Allergy rhinitis
    • Chronic runny nose

    ICD-10 Codes:

    • J309: Allergic rhinitis, unspecified

    Also known as:

    • Obstructive Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)

    Also known as:

    • Loss of Smell
    • Taste and Smell Disorder
    • Anosmia
    • No Sense of Smell
    • Smell Blindness

    ICD-10 Codes:

    • R430: Anosmia

    Does Dr. Janisiewicz accept my insurance?

    Dr. Janisiewicz accepts most major insurance plans. Important: Please call our office at (510) 454-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Janisiewicz accept in San Leandro, CA?

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

    Top Insurances

    • Alameda Alliance

    • All Other Third Party

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Kaiser Permanente

    • Medicare

    • Samaritan Health Services

    • San Francisco Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Janisiewicz's office located?

    Dr. Agnieszka Janisiewicz's Primary Practice

    2500 Merced St

    San Leandro, CA 94577

    (510) 454-1000

    Get Directions

    Dr. Agnieszka Janisiewicz's Practice 2

    27303 Sleepy Hollow Ave S

    Hayward, CA 94545

    Get Directions

    Dr. Agnieszka Janisiewicz's Practice 3

    39400 Paseo Padre Pkwy

    Fremont, CA 94538

    Get Directions

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

    Dr. Janisiewicz's National Provider Identifier (NPI) number is 1467615104.

    What common questions do patients ask about Dr. Janisiewicz?

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

    What is Dr. Agnieszka Janisiewicz's specialty?

    Dr. Janisiewicz is a Otolaryngologist near San Leandro, CA. An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for conditions affecting the ears, nose, throat, respiratory, and upper alimentary systems, as well as related head and neck structures. This specialist diagnoses and treats diseases, allergies, neoplasms, deformities, disorders, and injuries involving these areas. Expertise includes head and neck oncology, facial plastic and reconstructive surgery, and the treatment of hearing and voice disorders. Contact Dr. Janisiewicz to book an appointment today.

    Is this Dr. Agnieszka Janisiewicz affiliated with a ranked Castle Connolly Top Hospital?

    No, Janisiewicz is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: San Leandro Medical Center. Castle Connolly Top Hospitals 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 Otolaryngologist?

    Explore Otolaryngologist 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 Agnieszka Janisiewicz accepting new patients in San Leandro, CA?

    Yes, Dr. Agnieszka Janisiewicz is accepting new patients at this time.

    Does Dr. Agnieszka Janisiewicz offer online booking?

    Please contact Dr. Janisiewicz's office at (510) 454-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Agnieszka Janisiewicz?

    Please contact Dr. Janisiewicz's office at (510) 454-1000 for information regarding telehealth appointment availability or for scheduling assistance.

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