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Dr. Jason Massa, DO

Dr. Jason Massa, DO

Walnut Creek, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Massa, Neurologist in Walnut Creek, CA?

    Dr. Jason Massa, DO is a Neurologist, who primarily practices in Walnut Creek, CA with 2 additional practice locations. Dr. Massa graduated from Touro University - California Touro University College of Osteopathic Medicine and completed his residency at Stanford University Hospital/Kaiser Permanente Medical Center Program. Dr. Massa is fluent in English, and is currently seeing new patients. Dr. Massa’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Massa’s office.

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

    • Residency: Stanford University Hospital/Kaiser Permanente Medical Center Program

    • Medical School: Touro University - California Touro University College of Osteopathic Medicine

    What languages does Dr. Massa speak?

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

    • English

    What conditions does a Neurologist like Dr. Massa typically treat?

    As a Neurologist, Dr. Massa 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. Massa. 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 here.

    Also known as:

    • Parkinson's Disease without Involuntary Movements
    • Parkinson's Disease with Fluctuating Symptoms
    • Parkinson's Disease with Dyskinesia and Fluctuations
    • Parkinson's Disease
    • Parkinsonism
    • Early Parkinson's
    • Non-dyskinetic Parkinsonism
    • Stable Parkinson's Disease
    • Fluctuating Parkinsonism
    • Parkinson's with 'On-Off' Periods
    • Variable Parkinson's Symptoms
    • Parkinson's with Variable Movements
    • PD with Fluctuating Dyskinesia
    • On-Off Parkinson's
    • PD
    • Shaking Palsy
    • Paralysis Agitans
    • Parkinson's Syndrome
    • Atypical Parkinsonism
    • Secondary Parkinsonism

    ICD-10 Codes:

    • G20A1: Parkinson's disease without dyskinesia, without mention of fluctuations
    • G20A2: Parkinson's disease without dyskinesia, with fluctuations
    • G20B2: Parkinson's disease with dyskinesia, with fluctuations
    • G20: Parkinson's disease
    • G20C: Parkinsonism, unspecified

    Also known as:

    • Essential Tremor
    • Tremor
    • Essential tremor
    • Familial Tremor
    • Benign Essential Tremor

    ICD-10 Codes:

    • G250: Essential tremor

    Also known as:

    • Cognitive and Awareness Problems
    • Mental Disorder
    • Mental Function Issues
    • Thinking Problems
    • Awareness Difficulties

    ICD-10 Codes:

    • R4189: Other symptoms and signs involving cognitive functions and awareness

    Also known as:

    • Chronic Migraine without Aura
    • Migraine
    • Transformed migraine
    • Daily chronic headache
    • Persistent migraine

    ICD-10 Codes:

    • G43709: Chronic migraine without aura, not intractable, without status migrainosus

    Also known as:

    • Numbness or Tingling
    • Neurologic Disease
    • Peripheral Nerve Disorder
    • Paresthesia
    • Skin Numbness
    • Tingling Sensation
    • Pins and Needles

    ICD-10 Codes:

    • R202: Paresthesia of skin

    Also known as:

    • Spasmodic Torticollis
    • Dystonia
    • Cervical Dystonia
    • Wry Neck

    ICD-10 Codes:

    • G243: Spasmodic torticollis

    What procedures does a Neurologist like Dr. Massa typically perform?

    As a Neurologist, Dr. Massa performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Massa. 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 here.

    Also known as:

    • Facial Muscle Injection for Spasms (One Side)
    • Botox for facial spasms
    • Facial nerve chemodenervation
    • Blepharospasm treatment
    • Hemifacial spasm injection

    CPT Codes:

    • 64612: Chemodenervation of muscle(s); muscle(s) innervated by facial nerve, unilateral (eg, for blepharospasm, hemifacial spasm)

    Also known as:

    • Botox Injection for Neck Muscle Spasms
    • Chemodenervation of neck muscles
    • Botulinum toxin injection for cervical dystonia
    • Neck spasm injection

    CPT Codes:

    • 64616: Chemodenervation of muscle(s); neck muscle(s), excluding muscles of the larynx, unilateral (eg, for cervical dystonia, spasmodic torticollis)

    Also known as:

    • Muscle Weakening Injection (Arm or Leg)
    • Extremity Chemodenervation
    • Spasticity Injection
    • Botulinum Toxin Injection for Muscles
    • Muscle Denervation

    CPT Codes:

    • 64642: Chemodenervation of one extremity; 1-4 muscle(s)

    Also known as:

    • Individual Speech and Language Therapy
    • Speech-Language Pathology
    • Voice Therapy
    • Communication Disorder Treatment
    • Auditory Processing Therapy

    CPT Codes:

    • 92507: Treatment Of Speech, Language, Voice, Communication, And/Or Auditory Processing Disorder; Individual

    Also known as:

    • Swallowing Therapy
    • Dysphagia Treatment
    • Feeding Therapy
    • Oral Function Therapy

    CPT Codes:

    • 92526: Treatment of swallowing dysfunction and/or oral function for feeding

    Does Dr. Massa accept my insurance?

    Dr. Massa accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Massa accept in Walnut Creek, CA?

    Dr. Massa in Walnut Creek, 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 Cross Blue Shield of Minnesota

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Medicare

    • Other Provider Networks

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Massa's office located?

    Dr. Jason Massa's Primary Practice

    675 Ygnacio Valley Rd Ste A102

    Walnut Creek, CA 94596

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    Dr. Jason Massa's Practice 2

    1981 N Broadway Ste 248

    Walnut Creek, CA 94596

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    Dr. Jason Massa's Practice 3

    111 Deerwood Rd Ste 305

    San Ramon, CA 94583

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

    Dr. Massa's National Provider Identifier (NPI) number is 1841636156.

    What common questions do patients ask about Dr. Massa?

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

    What is Dr. Jason Massa's specialty?

    Dr. Massa is a Neurologist near Walnut Creek, CA.

    What does a Neurologist do?

    A neuropathologist is expert in the diagnosis of diseases of the nervous system and skeletal muscles and functions as a consultant primarily to neurologists and neurosurgeons. The neuropathologist is knowledgeable in the infirmities of humans as they affect the nervous and neuromuscular systems, be they degenerative, infectious, metabolic, immunologic, neoplastic, vascular or physical in nature.

    Is this Dr. Jason Massa affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Massa is affiliated with John Muir Health Walnut Creek Medical Center, John Muir Health Concord Medical Center which are a Castle Connolly Top Hospitals. 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 Neurologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Neurologist. 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 Jason Massa accepting new patients in Walnut Creek, CA?

    Yes, Dr. Jason Massa is accepting new patients at this time.

    Does Dr. Jason Massa offer online booking?

    Please contact Dr. Massa's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jason Massa?

    Please contact Dr. Massa's office for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>