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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANGELA SHIAOYUAN LIN
NPI 1669872693
Social Worker - Clinical in Mission Viejo, CA

Active since August 27, 2014PECOS Enrolled
23228 MADERO, MISSION VIEJO, CA 92691(949) 454-3952 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Sep 6, 2024, Aug 15, 2024 (3 updates tracked since 2024).

About Angela Shiaoyuan Lin NPPES

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

ANGELA SHIAOYUAN LIN (NPI 1669872693) is an individual clinical provider in Mission Viejo, California, licensed in California (138715) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1669872693
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameANGELA SHIAOYUAN LIN
Location Address23228 MADEROMission Viejo, CA 92691-2706
Mailing Address23228 MaderoMission Viejo, CA 92691-2706 · (949) 454-3952
Phone(949) 454-3952
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 27, 2014
Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1669872693 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 · 138715
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.
23228 MADERO, Mission Viejo, CA 92691
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Angela Shiaoyuan Lin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4284195801
PECOS Enrollment IDI20260914003196
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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.

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.

KALI KARAMIGIOS
Social Worker
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 454-3940
ASHLEY NOEL CORTEZ LCSW
Social Worker (Clinical)
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 454-3940
DAROLYN UNDERWOOD PLANT NP
Nurse Practitioner (Psychiatric/Mental Health)
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 454-3940
RACHEL MARIE O'CONNOR
Peer Specialist
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 454-3940
SARAH JANE GARRICK LMFT #112325
Marriage & Family Therapist
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (194) 990-0458
HEIDI KITSU
Social Worker (Clinical)
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 454-3940
RACHEL ELIZABETH WILLIAMSON-BROADMAN LMSW, ASW
Social Worker
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 454-3940
SHOUKA SHARIFPOUR
Rehabilitation Practitioner
23228 MADERO
MISSION VIEJO, CA 92691
Orange County (949) 701-0880

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 Angela Lin's NPI number?

The NPI number for Angela Lin is 1669872693. It was assigned to this individual provider in the NPPES registry on August 27, 2014.

Where is Angela Lin located?

Angela Lin practices at 23228 Madero, Mission Viejo, CA 92691. The listed phone number is (949) 454-3952.

What is Angela Lin's specialty?

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

Is Angela Lin enrolled in Medicare?

Yes. Angela Lin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Angela Lin was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.