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DR. WILLIAM HARMON
NPI 1194883314
Psychiatry & Neurology - Addiction Psychiatry in Santa Cruz, CA

Active since December 04, 2006PECOS Enrolled
3120 MISSION DR, SANTA CRUZ, CA 95065(831) 462-0164 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Harmon NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM HARMON (NPI 1194883314) is an individual addiction psychiatry provider in Santa Cruz, California, licensed in California (A23325) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194883314
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameDR. WILLIAM HARMON
Location Address3120 MISSION DRSanta Cruz, CA 95065-1824
Mailing Address3120 Mission DrSanta Cruz, CA 95065-1824 · (831) 462-0164
Phone(831) 462-0164
Sole ProprietorYes
Enumeration DateDecember 4, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1194883314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in CA · A23325
Definition
Addiction Psychiatry is a subspecialty of psychiatry that 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.
3120 MISSION DR, Santa Cruz, CA 95065
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Other Names 1

Professional Name (2)Dr. William Harmon M.d.

Other Identifiers 2

OtherA23325CA · State License Number
Medicare ID-Type Unspecified00A233250CA · Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Harmon is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
316 services36 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
314 services36 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Harmon's NPI number?

The NPI number for William Harmon is 1194883314. It was assigned to this individual provider in the NPPES registry on December 4, 2006. The provider is also known as Dr. William Harmon M.D..

Where is William Harmon located?

William Harmon practices at 3120 Mission Dr, Santa Cruz, CA 95065. The listed phone number is (831) 462-0164.

What is William Harmon's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is William Harmon enrolled in Medicare?

Yes. William Harmon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Harmon was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.