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SYLVIA MICHELLE SIERRA
NPI 1265159453
Social Worker - Clinical in El Centro, CA

Active since October 27, 2022PECOS EnrolledAccepts Medicare Assignment
202 N 8TH ST, EL CENTRO, CA 92243(442) 265-1525 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 2, 2026, Oct 27, 2022 (2 updates tracked since 2022).

About Sylvia Michelle Sierra NPPES

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

SYLVIA MICHELLE SIERRA (NPI 1265159453) is an individual clinical provider in El Centro, California, licensed in California (137826) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1265159453
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSYLVIA MICHELLE SIERRA
Location Address202 N 8TH STEl Centro, CA 92243-2302
Mailing Address202 N 8th StEl Centro, CA 92243-2302 · (442) 265-1525
Phone(442) 265-1525
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateOctober 27, 2022
Last NPPES UpdateApril 2, 20262 updates tracked since enumeration
NPPES CertifiedApril 2, 2026
✔ NPI 1265159453 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 · 137826
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.
202 N 8TH ST, El Centro, CA 92243
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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

Sylvia Michelle Sierra 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 ID9335617349
PECOS Enrollment IDI20260507003830
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 Reassignments

2

Medicare enrollment records show Sylvia Sierra reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Imperial
0.2 mi
Mental Health (Including Community Mental Health Center)
202 N 8TH ST
El Centro, CA 92243
  • Reassigned Medicare billing, California enrollment
  • 43 clinicians in this Medicare group
NPI 1225258841 (760) 482-4000
Grow Healthcare Group PC
476 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

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 92243 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 $58.90 – $176.72
Typical copayment $0.00 (range $14.72 – $44.18)
Most-billed visit code NA
Established Patient
$73.20 typical visit price
range $19.28 – $144.68
Typical copayment $18.30 (range $4.82 – $36.17)
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.

ISELA MUNOZ
Rehabilitation Counselor
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (760) 337-5087
LINDA GARCIA GUERRERO LCSW
Social Worker (Clinical)
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (442) 265-7400
DANIELLE BROOKE OLSON I
Social Worker
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (442) 265-1525
MISS GLORIA SANCHEZ
Case Manager/Care Coordinator
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (442) 265-1525
ARMANDO M MENDEZ
Day Training/Habilitation Specialist
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (442) 265-1525
MRS. MALENA RAE COCHRAN
Rehabilitation Counselor
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (760) 370-3943
JOURDAN QUINN
Licensed Vocational Nurse
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (442) 265-1525
LESLIE VARGAS GARCIA
Day Training/Habilitation Specialist
202 N 8TH ST
EL CENTRO, CA 92243
Imperial County (442) 265-1525

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 Sylvia Sierra's NPI number?

The NPI number for Sylvia Sierra is 1265159453. It was assigned to this individual provider in the NPPES registry on October 27, 2022.

Where is Sylvia Sierra located?

Sylvia Sierra practices at 202 N 8th St, El Centro, CA 92243. The listed phone number is (442) 265-1525.

What is Sylvia Sierra's specialty?

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

Is Sylvia Sierra enrolled in Medicare?

Yes. Sylvia Sierra 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 organizations bill Medicare for Sylvia Sierra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sylvia Sierra reassigns Medicare benefits to 2 organizations: County Of Imperial (El Centro, CA) and Grow Healthcare Group PC (San Jose, CA). Each 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 Sylvia Sierra'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 Sylvia Sierra was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.