1. Home
  2. Directory
  3. California
  4. Napa
  5. Social Worker
  6. NPI Profile

GLORIA ISABEL CASTANON ACSW
NPI 1144876582
Social Worker - Clinical in Napa, CA

Active since August 12, 2019PECOS EnrolledAccepts Medicare Assignment
650 IMPERIAL WAY, NAPA, CA 94559(707) 299-1873 Get Directions Write a Review

NPPES record last updated: April 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 30, 2024, Nov 6, 2019, Aug 12, 2019 (3 updates tracked since 2019).

About Gloria Isabel Castanon Acsw NPPES

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

GLORIA ISABEL CASTANON ACSW (NPI 1144876582) is an individual clinical provider in Napa, California, licensed in California (ASW90838) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1144876582
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGLORIA ISABEL CASTANONCredential: ACSW
Location Address650 IMPERIAL WAYNapa, CA 94559-1344
Mailing Address650 Imperial WayNapa, CA 94559-1344 · (707) 299-1873
Phone(707) 299-1873
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 12, 2019
Last NPPES UpdateApril 30, 20243 updates tracked since enumeration
NPPES CertifiedApril 30, 2024
✔ NPI 1144876582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · ASW90838
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
650 IMPERIAL WAY, Napa, CA 94559
Open in Google Maps ↗

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

Gloria Isabel Castanon Acsw 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 ID6406291582
PECOS Enrollment IDI20241106002289
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 Gloria Castanon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Napa County
4.0 mi
Public Health or Welfare
2751 NAPA VALLEY CORPORATE DR, BLDGS - A & B
Napa, CA 94558
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Napa
  • 39 clinicians in this Medicare group
NPI 1467507699 (707) 253-4566

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 94559 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 $65.08 – $192.16
Typical copayment $0.00 (range $16.27 – $48.04)
Most-billed visit code NA
Established Patient
$80.32 typical visit price
range $21.86 – $157.83
Typical copayment $20.08 (range $5.46 – $39.45)
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 5

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

REYNA PENA NAVA
Social Worker (Clinical)
650 IMPERIAL WAY
NAPA, CA 94559
Napa County (707) 253-1935
NAPA COUNTY
Community/Behavioral Health
650 IMPERIAL WAY, SUITE 100
NAPA, CA 94559
Napa County (707) 259-8794
NAPA COUNTY
Case Management
650 IMPERIAL WAY, SUITE 101
NAPA, CA 94559
Napa County (707) 253-4651
MIRNA GALEANA-HUERTA
Student in an Organized Health Care Education/Training Program
650 IMPERIAL WAY
NAPA, CA 94559
Napa County (707) 253-9041
TEREZIJA MIKLAJ
Social Worker
650 IMPERIAL WAY
NAPA, CA 94559
Napa County (707) 253-3818

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 Gloria Castanon's NPI number?

The NPI number for Gloria Castanon is 1144876582. It was assigned to this individual provider in the NPPES registry on August 12, 2019.

Where is Gloria Castanon located?

Gloria Castanon practices at 650 Imperial Way, Napa, CA 94559. The listed phone number is (707) 299-1873.

What is Gloria Castanon's specialty?

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

Is Gloria Castanon enrolled in Medicare?

Yes. Gloria Castanon 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 Gloria Castanon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gloria Castanon reassigns Medicare benefits to Napa County (Napa, 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 Gloria Castanon'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 Gloria Castanon was last updated on April 30, 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.