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SEAN A ROSAS LCSW
NPI 1366004079
Social Worker - Clinical in Guerneville, CA

Active since July 02, 2019PECOS EnrolledAccepts Medicare Assignment
12383 MAYS CANYON RD, GUERNEVILLE, CA 95446(707) 604-1400(707) 922-5005 Get Directions Write a Review

NPPES record last updated: October 9, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 9, 2024, Jul 2, 2019 (2 updates tracked since 2019).

About Sean A Rosas Lcsw NPPES

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

SEAN A ROSAS LCSW (NPI 1366004079) is an individual clinical provider in Guerneville, California, licensed in California (126087) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1366004079
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameSEAN A ROSASCredential: LCSW
Location Address12383 MAYS CANYON RDGuerneville, CA 95446
Mailing Address12383 Mays Canyon RdGuerneville, CA 95446 · (707) 604-1400 · Fax (707) 922-5005
Phone(707) 604-1400
Fax(707) 922-5005
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 2, 2019
Last NPPES UpdateOctober 9, 20242 updates tracked since enumeration
NPPES CertifiedOctober 9, 2024
✔ NPI 1366004079 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 · 126087
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.
12383 MAYS CANYON RD, Guerneville, CA 95446
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sean A Rosas Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769916535
PECOS Enrollment IDI20241119002929
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 Sean Rosas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Woodland Nature Therapy Licensed Clinical Social Worker, Inc.
Same address
Clinical
12383 MAYS CANYON RD
Guerneville, CA 95446
  • Reassigned Medicare billing, California enrollment
NPI 1891518882 (707) 604-1400

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 95446 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 $63.04 – $187.01
Typical copayment $0.00 (range $15.76 – $46.75)
Most-billed visit code NA
Established Patient
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
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

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

WOODLAND NATURE THERAPY LICENSED CLINICAL SOCIAL WORKER, INC.
Social Worker (Clinical)
12383 MAYS CANYON RD
GUERNEVILLE, CA 95446
Sonoma County (707) 604-1400

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 Sean Rosas's NPI number?

The NPI number for Sean Rosas is 1366004079. It was assigned to this individual provider in the NPPES registry on July 2, 2019.

Where is Sean Rosas located?

Sean Rosas practices at 12383 Mays Canyon Rd, Guerneville, CA 95446. The listed phone number is (707) 604-1400.

What is Sean Rosas's specialty?

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

Is Sean Rosas enrolled in Medicare?

Yes. Sean Rosas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sean Rosas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Rosas reassigns Medicare benefits to Woodland Nature Therapy Licensed Clinical Social Worker, Inc. (Guerneville, 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 Sean Rosas'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 Sean Rosas was last updated on October 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.