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MARA STEPHANIE LEON SAMMARTINO LCSW
NPI 1861568081
Social Worker - Clinical in Vacaville, CA

Active since November 28, 2006PECOS Enrolled
607 ELMIRA RD # 355, VACAVILLE, CA 95687(707) 229-1377 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 18, 2025, Aug 6, 2019, Jul 5, 2017 (3 updates tracked since 2017).

About Mara Stephanie Leon Sammartino Lcsw NPPES

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

MARA STEPHANIE LEON SAMMARTINO LCSW (NPI 1861568081) is an individual clinical provider in Vacaville, California, licensed in California (70176) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861568081
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARA STEPHANIE LEON SAMMARTINOCredential: LCSW
Location Address607 ELMIRA RD # 355Vacaville, CA 95687-4655
Mailing Address1000 Texas St Ste DFairfield, CA 94533-5700 · (707) 639-9158
Phone(707) 229-1377
Sole ProprietorYes
Enumeration DateNovember 28, 2006
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1861568081 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 · 70176
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.
607 ELMIRA RD # 355, Vacaville, CA 95687
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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 (PECOS)

Mara Stephanie Leon Sammartino 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 Mara Sammartino reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cares Community Health
30 mi
Federally Qualified Health Center (FQHC)
1500 21ST ST
Sacramento, CA 95814
  • Reassigned Medicare billing, California enrollment
  • 68 clinicians in this Medicare group
NPI 1447297379 (916) 443-3299

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 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.

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 Mara Sammartino's NPI number?

The NPI number for Mara Sammartino is 1861568081. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Mara Sammartino located?

Mara Sammartino practices at 607 Elmira Rd # 355, Vacaville, CA 95687. The listed phone number is (707) 229-1377.

What is Mara Sammartino's specialty?

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

Is Mara Sammartino enrolled in Medicare?

Yes. Mara Sammartino is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mara Sammartino's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mara Sammartino reassigns Medicare benefits to Cares Community Health (Sacramento, 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 Mara Sammartino'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 Mara Sammartino was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.