WH
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hart, Sleep Medicine Specialist - Internist in Watsonville, CA?
Dr. William Hart, MD is a Sleep Medicine Specialist - Internist, who primarily practices in Watsonville, CA with 2 additional practice locations. Dr. Hart is fluent in English and Spanish, and is currently seeing new patients. Dr. Hart’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hart’s office at (831) 460-7300.
What languages does Dr. Hart speak?
Dr. Hart and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Sleep Medicine Specialist - Internist like Dr. Hart typically treat?
As a Sleep Medicine Specialist - Internist, Dr. Hart 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. Hart. 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:
- Obstructive Sleep Apnea
- Sleep Apnea
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
- Breathing Pauses During Sleep
- Snoring Disorder
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
- G4730: Sleep apnea, unspecified
Also known as:
- Excessive Sleepiness
- Sleep Disorder
- Hypersomnia
- Daytime sleepiness
- Too much sleep
- Sleep Problem
- Sleep Disturbance
- Trouble Sleeping
ICD-10 Codes:
- G4710: Hypersomnia, unspecified
- G479: Sleep disorder, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Severe Obesity with Breathing Problems
- Obesity
- Morbid Obesity and Lung Issues
- Obesity Hypoventilation Syndrome
- Pickwickian Syndrome
ICD-10 Codes:
- E662: Morbid (severe) obesity with alveolar hypoventilation
What procedures does a Sleep Medicine Specialist - Internist like Dr. Hart typically perform?
As a Sleep Medicine Specialist - Internist, Dr. Hart 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. Hart. 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:
- Drug-Induced Sleep Endoscopy (DISE)
- DISE Procedure
- Sleep Apnea Endoscopy
- Flexible Sleep Endoscopy
- Upper Airway Endoscopy for Sleep Apnea
CPT Codes:
- 42975: Drug-induced sleep endoscopy, with dynamic evaluation of velum, pharynx, tongue base, and larynx for evaluation of sleep-disordered breathing, flexible, diagnostic
Does Dr. Hart accept my insurance?
Dr. Hart accepts most major insurance plans. Important: Please call our office at (831) 460-7300 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hart accept in Watsonville, CA?
Dr. Hart in Watsonville, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Not Specified
Santa Cruz County
UnitedHealth Group
Unknown
Valley Health Plan
View All Insurances
Where is Dr. Hart's office located?
Dr. William Hart's Primary Practice
550 S Green Valley Rd
Watsonville, CA 95076
(831) 460-7300
What is Dr. Hart's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hart's National Provider Identifier (NPI) number is 1609856582.
What common questions do patients ask about Dr. Hart?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hart
What is Dr. William Hart's specialty?
Dr. Hart is a Sleep Medicine Specialist - Internist near Watsonville, CA.
What does a Sleep Medicine Specialist - Internist do?
An internist specializing in Sleep Medicine is certified in this subspecialty and focuses on the clinical evaluation, physiological testing, diagnosis, treatment, and prevention of sleep and circadian rhythm disorders. These specialists care for patients of all ages, utilizing a multidisciplinary approach. Conditions they manage include, but are not limited to, sleep-related breathing disorders, insomnia, hypersomnia's, circadian rhythm disorders, parasomnias, and sleep-related movement disorders.
Is this Dr. William Hart affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hart is affiliated with Sutter Maternity & Surgery Center Of Santa Cruz, Mills-Peninsula 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 Sleep Medicine Specialist - Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Sleep Medicine Specialist - Internist. 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 William Hart accepting new patients in Watsonville, CA?
Yes, Dr. William Hart is accepting new patients at this time.
Does Dr. William Hart offer online booking?
Please contact Dr. Hart's office at (831) 460-7300 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Hart?
Please contact Dr. Hart's office at (831) 460-7300 for information regarding telehealth appointment availability or for scheduling assistance.
Other Sleep Medicine Specialist - Internist Near Watsonville, CA

Sleep Medicine Specialist - Internist
Dr. Vadim Kagramanov, MD is a Sleep Medicine Specialist - Internist, who primarily practices in Watsonville, CA with 2 additional practice locations. He is board certified.
Watsonville, CA

Family Medicine Specialist
Dr. Shirley Dickinson, MD is a Family Medicine Specialist, who primarily practices in Marina, CA with 2 additional practice locations. She is board certified.
Marina, CA
SN
Sleep Medicine Specialist - Internist
Dr. Sirish Nakka, MD is a Sleep Medicine Specialist - Internist, who primarily practices in Santa Cruz, CA with 2 additional practice locations.
Santa Cruz, CA