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MRS. SORREL MADRONA ISHERWOOD LCSW, MPH
NPI 1730365263
Social Worker - Clinical in Walnut Creek, CA

Active since January 15, 2008PECOS Enrolled
1547 PALOS VERDES MALL, SUITE 437, WALNUT CREEK, CA 94597(925) 595-4699 Get Directions Write a Review

NPPES record last updated: January 15, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Sorrel Madrona Isherwood Lcsw, Mph NPPES

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

MRS. SORREL MADRONA ISHERWOOD LCSW, MPH (NPI 1730365263) is an individual clinical provider in Walnut Creek, California, licensed in California (21661) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730365263
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. SORREL MADRONA ISHERWOODCredential: LCSW, MPH
Location Address1547 PALOS VERDES MALL, SUITE 437Walnut Creek, CA 94597-2228
Mailing Address1547 Palos Verdes Mall, Suite 437Walnut Creek, CA 94597-2228 · (925) 595-4699
Phone(925) 595-4699
Sole ProprietorYes
Enumeration DateJanuary 15, 2008
✔ NPI 1730365263 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 · 21661
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.
1547 PALOS VERDES MALL, Walnut Creek, CA 94597
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Sorrel Madrona Isherwood Lcsw, Mph 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 94597 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 $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

MR. JESSE D TAMPLEN L.C.S.W.
Social Worker (Clinical)
1547 PALOS VERDES MALL, PMB218
WALNUT CREEK, CA 94597
Contra Costa County (510) 725-2427

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 Sorrel Isherwood's NPI number?

The NPI number for Sorrel Isherwood is 1730365263. It was assigned to this individual provider in the NPPES registry on January 15, 2008.

Where is Sorrel Isherwood located?

Sorrel Isherwood practices at 1547 Palos Verdes Mall Suite 437, Walnut Creek, CA 94597. The listed phone number is (925) 595-4699.

What is Sorrel Isherwood's specialty?

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

Is Sorrel Isherwood enrolled in Medicare?

Yes. Sorrel Isherwood is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sorrel Isherwood was last updated on January 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.