Dr. William A. Vanhorn is a Elk Grove, California based psychiatrist with 40 years of experience in Psychiatry. He completed his graduation from University Of South Alabama College Of Medicine in 1986. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. William A. Vanhorn is G75572 for Psychiatry in California. His current practice location is 9340 E Stockton Blvd, Elk Grove. Patients can reach him at 916-509-8198. Dr. William A. Vanhorn is MD in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1588620058.
Dr. William A. Vanhorn specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Complete Profile:
Dr. William A. Vanhorn speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. William A. Vanhorn |
| Specialization: | Psychiatry |
| Gender: | Male |
| Credentials: | MD |
| Experience: | 40+ years |
| Medical School Attended: | University Of South Alabama College Of Medicine |
| Graduation Year: | 1986 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 9340 E Stockton Blvd, Elk Grove,
California, 95624-1563 |
| Phone: | 916-509-8198 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 9830153881 |
| Enrollment ID: | I20220324000561 |
| NPI Number: | 1588620058 |
| NPI Enumeration Date: | 25 Apr, 2006 |
| NPI Last Update On: | 01 Aug, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. William A. Vanhorn are as mentioned below.
| License Number | Specialization | State | Status | |
| G75572 | Psychiatry | California | Primary | |
| 2014-00886 | Geriatric | North Carolina | Secondary | |
| 2014-00886 | Psychiatry | North Carolina | Secondary | |
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. William A. Vanhorn is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Eastern Pennsylvania Physician Alliance, Llc (8325478662) | 75 |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. William A. Vanhorn such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 492BA1 | Other | New York | BLUE CROSS |
| 050103000028 | Other | New York | FIDELIS |
| AA24050281 | Other | South Carolina | MEDICARE PALMETTO GBA |
| 10091505 | Other | New York | CDPHP |
| 11398516 | Other | New York | CAQH |
| 4141636 | Other | New York | MVP |
| 000408404001 | Other | New York | BLUE SHIELD |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. William A. Vanhorn
333 Crown Point Cir Ste 125,
Grass Valley, California |
| Zip: | 95945-9538 |
| Phone Number: | 530-273-5440 |
Patients can reach Dr. William A. Vanhorn at
9340 E Stockton Blvd, Elk Grove, California or can
call to book an appointment on 916-509-8198.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.