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MARIANELA GUZMAN ALONSO LCSW
NPI 1730730995
Social Worker - Clinical in Austin, TX

Active since September 27, 2019PECOS Enrolled
2909 N IH 35, AUSTIN, TX 78722(512) 478-4939(512) 708-1835 Get Directions Write a Review

NPPES record last updated: September 27, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marianela Guzman Alonso Lcsw NPPES

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

MARIANELA GUZMAN ALONSO LCSW (NPI 1730730995) is an individual clinical provider in Austin, Texas, licensed in Texas (63864) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730730995
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARIANELA GUZMAN ALONSOCredential: LCSW
Location Address2909 N IH 35Austin, TX 78722-2304
Mailing Address1101 Camino La CostaAustin, TX 78752-3930 · (512) 478-4939 · Fax (512) 708-1835
Phone(512) 478-4939
Fax(512) 708-1835
Sole ProprietorNo
Enumeration DateSeptember 27, 2019
✔ NPI 1730730995 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 TX · 63864
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.
2909 N IH 35, Austin, TX 78722
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marianela Guzman Alonso 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 Marianela Guzman Alonso reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Griselda Pattillo, Lcsw PLLC
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
No phone listed

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 78722 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 $57.88 – $174.00
Typical copayment $0.00 (range $14.47 – $43.50)
Most-billed visit code NA
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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 10

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

DR. NAOMI J HANSER M.D.
Internal Medicine
2909 N IH 35, SUITE 101
AUSTIN, TX 78722
Travis County (512) 232-3900
MISS JUDITH SANDERS FNP
Nurse Practitioner (Family)
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 478-4939
MS. CHRISTINE ANN DIVIN FNP
Nurse Practitioner
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 478-4939
DR. ALMA P DEL ANGEL MD
Pediatrics
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 478-4939
CHRISTINE CAROLINE VILLARREAL-LEVY M.D.
Pediatrics
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 478-4939
DEISY ALI JAIMES-JAIMES DNP, FNP
Nurse Practitioner (Family)
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 478-2939
ROBIN ROSELL
Social Worker (Clinical)
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 708-3136
MRS. BEATRIZ CANAS SMITH CNS
Clinical Nurse Specialist (Adult Health)
2909 N IH 35
AUSTIN, TX 78722
Travis County (512) 708-3113

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 Marianela Guzman Alonso's NPI number?

The NPI number for Marianela Guzman Alonso is 1730730995. It was assigned to this individual provider in the NPPES registry on September 27, 2019.

Where is Marianela Guzman Alonso located?

Marianela Guzman Alonso practices at 2909 N Ih 35, Austin, TX 78722. The listed phone number is (512) 478-4939.

What is Marianela Guzman Alonso's specialty?

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

Is Marianela Guzman Alonso enrolled in Medicare?

Yes. Marianela Guzman Alonso is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marianela Guzman Alonso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marianela Guzman Alonso reassigns Medicare benefits to Griselda Pattillo, Lcsw PLLC (TX). 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 Marianela Guzman Alonso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marianela Guzman Alonso accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and UnitedHealthcare list Marianela Guzman Alonso 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 Marianela Guzman Alonso was last updated on September 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.