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

KONSTANCE MARQUETA CASTLE LCSW
NPI 1841848272
Social Worker - Clinical in Pasadena, CA

Active since August 28, 2019PECOS Enrolled
2555 E COLORADO BLVD STE 208, PASADENA, CA 91107(877) 622-0013 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 14, 2026, Dec 4, 2025, Aug 28, 2019 (3 updates tracked since 2019).

About Konstance Marqueta Castle Lcsw NPPES

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

KONSTANCE MARQUETA CASTLE LCSW (NPI 1841848272) is an individual clinical provider in Pasadena, California, licensed in California (107685) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1841848272
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKONSTANCE MARQUETA CASTLECredential: LCSW
Location Address2555 E COLORADO BLVD STE 208Pasadena, CA 91107-6622
Mailing Address2555 E Colorado Blvd Ste 208Pasadena, CA 91107-6622 · (877) 622-0013
Phone(877) 622-0013
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 28, 2019
Last NPPES UpdateJune 10, 20263 updates tracked since enumeration
NPPES CertifiedJune 10, 2026
✔ NPI 1841848272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in CA · 107685✔ Licensed in TX · 59944
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.
2555 E COLORADO BLVD STE 208, Pasadena, CA 91107
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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)

Konstance Marqueta Castle Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2365907862
PECOS Enrollment IDI20260724000583
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 Konstance Castle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Optum Behavioral Care Of California, P.C.
30 mi
Clinical
8300 UTICA AVE STE 245
Rancho Cucamonga, CA 91730
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
NPI 1417718297 (909) 989-4055

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 91107 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 $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 Konstance Castle's NPI number?

The NPI number for Konstance Castle is 1841848272. It was assigned to this individual provider in the NPPES registry on August 28, 2019.

Where is Konstance Castle located?

Konstance Castle practices at 2555 E Colorado Blvd Ste 208, Pasadena, CA 91107. The listed phone number is (877) 622-0013.

What is Konstance Castle's specialty?

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

Is Konstance Castle enrolled in Medicare?

Yes. Konstance Castle is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Konstance Castle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Konstance Castle reassigns Medicare benefits to Optum Behavioral Care Of California, P.C. (Rancho Cucamonga, 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 Konstance Castle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Konstance Castle accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and UnitedHealthcare list Konstance Castle 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 Konstance Castle was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.