1. Home
  2. Directory
  3. California
  4. San Luis Obispo
  5. Social Worker
  6. NPI Profile

MR. WILLIAM E. WATSON LCSW
NPI 1124511647
Social Worker - Clinical in San Luis Obispo, CA

Active since June 09, 2018PECOS Enrolled
COLONY DRIVE, SAN LUIS OBISPO, CA 93409(547) 790-0805 Get Directions Write a Review

NPPES record last updated: June 9, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. William E. Watson Lcsw NPPES

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

MR. WILLIAM E. WATSON LCSW (NPI 1124511647) is an individual clinical provider in San Luis Obispo, California, licensed in California (24174) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124511647
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM E. WATSONCredential: LCSW
Location AddressCOLONY DRIVESan Luis Obispo, CA 93409-0001
Mailing Address8260 Plane View Pl Apt SuitePaso Robles, CA 93446-7306 · (805) 400-8041
Phone(547) 790-0805
Sole ProprietorYes
Enumeration DateJune 9, 2018
✔ NPI 1124511647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 24174
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
COLONY DRIVE, San Luis Obispo, CA 93409
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William E. Watson Lcsw 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.

Medicare Billing Reassignment

Medicare enrollment records show William Watson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sud Specialty Group - Ca
160 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93409 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $59.84 – $178.89
Typical copayment $0.00 (range $14.96 – $44.72)
Most-billed visit code NA
Established Patient
$74.24 typical visit price
range $19.70 – $146.55
Typical copayment $18.56 (range $4.92 – $36.63)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JINHWA JOUNG PSYD
Psychologist
COLONY DRIVE
SAN LUIS OBISPO, CA 93409
San Luis Obispo County (805) 547-7900
MR. WILSON STEVEN FULLER
Psychologist
COLONY DRIVE
SAN LUIS OBISPO, CA 93409
San Luis Obispo County (408) 431-9190
DR. JAMES F. MCVEIGH PSY.D.
Student in an Organized Health Care Education/Training Program
COLONY DRIVE
SAN LUIS OBISPO, CA 93409
San Luis Obispo County (805) 547-7900
TRACI RUTH
Social Worker (Clinical)
COLONY DRIVE
SAN LUIS OBISPO, CA 93409
San Luis Obispo County (805) 547-7900
ANNA KLAUER PSYD
Psychologist (Clinical)
COLONY DRIVE
SAN LUIS OBISPO, CA 93409
San Luis Obispo County (805) 547-7900

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 Watson's NPI number?

The NPI number for William Watson is 1124511647. It was assigned to this individual provider in the NPPES registry on June 9, 2018.

Where is William Watson located?

William Watson practices at Colony Drive, San Luis Obispo, CA 93409. The listed phone number is (547) 790-0805.

What is William Watson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is William Watson enrolled in Medicare?

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

Which organization bills Medicare for William Watson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Watson reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Watson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Watson was last updated on June 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.