Dr. William Halloran, M.D.
19+
Years in Practice
About Dr. William Halloran
William Halloran, M.D. is a healthcare provider practicing in Chico, CA.
Specialty Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
1
States Licensed
Credentials & Board Certifications
Credentials verified via NPI Registry (NPPES)
Education & Training
No education details on file.
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| California | G86643 | Psychiatry & Neurology |
Public Data Summary for Dr. William Halloran
With 19 years of practice, Dr. William Halloran is an established healthcare provider, M.D.,. Their National Provider Identifier (NPI) is 1023149739, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
Transparency & Safety
Public records from CMS and OIG databases
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. William Halloran
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0 reviews
FAQ
Frequently asked questions about Dr. William Halloran
Does Dr. William Halloran accept Medicare?
CartoChrome does not have a verified Medicare assignment record for Dr. William Halloran. CMS opt-out records should be checked directly, and patients should call the practice to confirm Medicare acceptance for their specific plan.
What is Dr. William Halloran's NPI number?
Dr. William Halloran's National Provider Identifier (NPI) is 1023149739. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. William Halloran been practicing?
Dr. William Halloran has approximately 19 years of practice experience.