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MS. KATHY SOUTHARD LCSW
NPI 1316373715
Social Worker - Clinical in Vacaville, CA

Active since September 18, 2013PECOS Enrolled
1600 CALIFORNIA DR, VACAVILLE, CA 95687(707) 448-6841 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Kathy Southard Lcsw NPPES

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

MS. KATHY SOUTHARD LCSW (NPI 1316373715) is an individual clinical provider in Vacaville, California, licensed in California (87677) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Cambridge.

NPPES Registry Identity

NPI1316373715
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. KATHY SOUTHARDCredential: LCSW
Location Address1600 CALIFORNIA DRVacaville, CA 95687
Mailing Address2232 Ivy Dr Apt 1Oakland, CA 94606-1942 · (808) 892-9108
Phone(707) 448-6841
Sole ProprietorYes
Enumeration DateSeptember 18, 2013
Last NPPES UpdateJuly 31, 2025
NPPES CertifiedJuly 21, 2025
✔ NPI 1316373715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in CA · 87677✔ Licensed in MA · 118839✔ Licensed in HI · HI-4271
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.
1600 CALIFORNIA DR, Vacaville, CA 95687
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Other Names 1

Other Name (5)Ms. Kathylene Castillo Southard

Secondary Practice Location 1

Location 11493 Cambridge StCambridge, MA 02139-1047 · Phone (617) 665-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Kathy Southard 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95687 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 $65.02 – $191.95
Typical copayment $0.00 (range $16.25 – $47.98)
Most-billed visit code NA
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
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 20

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

MS. JAMIE LYNN KORDICK PSY.D.
Psychologist (Clinical)
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 449-6571
DR. TEAL ASHLEY KOZEL PSYD
Psychologist (Clinical)
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 453-7017
SANDRA VELASCO-SCOTT PSY.D.
Psychologist (Clinical)
1600 CALIFORNIA DR, VACAVILLE
CA, CA 95687
Solano County (707) 446-6841
BETHLEHEM HAILE M.D
Internal Medicine
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 453-7007
MRS. HANNAH KWON RPH
Pharmacist
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 448-6841
LEE ALLEN BUCCINIO PH.D.
Psychologist (Clinical)
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 449-6582
DR. NICOLE OLLEY PH.D.
Psychologist (Clinical)
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 448-6841
MS. MICHELE KATHERINE CANIGLIA LCSW
Social Worker (Clinical)
1600 CALIFORNIA DR
VACAVILLE, CA 95687
Solano County (707) 448-6841

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 Kathy Southard's NPI number?

The NPI number for Kathy Southard is 1316373715. It was assigned to this individual provider in the NPPES registry on September 18, 2013. The provider is also known as Ms. Kathylene Castillo Southard.

Where is Kathy Southard located?

Kathy Southard practices at 1600 California Dr, Vacaville, CA 95687. The listed phone number is (707) 448-6841.

What is Kathy Southard's specialty?

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

Is Kathy Southard enrolled in Medicare?

Yes. Kathy Southard is registered in the Medicare PECOS enrollment system.

What insurance does Kathy Southard accept?

Health plans from HMSA list Kathy Southard as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kathy Southard was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.