Psychiatrist | Addiction Psychiatry | 58+ years experience

Dr. William Harmon

3120 Mission Dr, Santa Cruz, California, 95065-1824

About Dr. William Harmon

Dr. William Harmon is a psychiatrist based in Santa Cruz, California with 58 years of experience in Addiction Psychiatry. He completed his graduation from University Of California, Geffen School Of Medicine in 1968. He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. Active license number of Dr. William Harmon is A23325 for Addiction Psychiatry in California. His current practice location is 3120 Mission Dr, Santa Cruz. Patients can contact him at 831-462-0164. Dr. William Harmon NPI number (Unique professional ID assigned by NPPES) is 1194883314.

Dr. William Harmon focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

Practice Information

Dr. William Harmon's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. William Harmon
Specialization Addiction Psychiatry
Accepts Medicare Assignment May Accept
Gender Male
Practice Address: 3120 Mission Dr,
Santa Cruz, CA - 95065-1824

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 5890821581
Enrollment ID I20100406000209
NPI Number1194883314
NPI Enumeration Date: 04 Dec, 2006
NPI Last Update On: 08 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. William Harmon are as mentioned below.

License NumberSpecializationStateStatus
A23325Addiction Psychiatry CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. William Harmon such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
A23325OtherCaliforniaSTATE LICENSE NUMBER

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. William Harmon
3120 Mission Dr,
Santa Cruz, CA - 95065-1824
Phone: 831-462-0164

Book an Appointment with Dr. William Harmon

To schedule an appointment, contact Dr. William Harmon at 3120 Mission Dr, Santa Cruz, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. William Harmon:

Dr. William Harmon is a psychiatrist specializing in Addiction Psychiatry. He focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

Dr. William Harmon completed his education () from University Of California, Geffen School Of Medicine in 1968.

Dr. William Harmon has approximately 58 years of experience in Addiction Psychiatry.

Dr. William Harmon may accept Medicare assignment. Please contact the provider's office directly to verify Medicare participation and coverage details.

Yes, Dr. William Harmon is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. William Harmon practices at 3120 Mission Dr, Santa Cruz, California, 95065-1824.

To schedule an appointment with Dr. William Harmon, please contact the office at 831-462-0164.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.