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JESSICA CHUNG MAC LCSW
NPI 1326561382
Social Worker - Clinical in Diamond Bar, CA

Active since July 21, 2017PECOS Enrolled
253 S DIAMOND BAR BLVD, DIAMOND BAR, CA 91765(909) 860-1144 Get Directions Write a Review

NPPES record last updated: April 23, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Jessica Chung Mac Lcsw NPPES

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

JESSICA CHUNG MAC LCSW (NPI 1326561382) is an individual clinical provider in Diamond Bar, California, licensed in California (119283) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326561382
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJESSICA CHUNG MACCredential: LCSW
Location Address253 S DIAMOND BAR BLVDDiamond Bar, CA 91765-1606
Mailing Address4365 Ironwood AveSeal Beach, CA 90740-2923
Phone(909) 860-1144
Sole ProprietorYes
Enumeration DateJuly 21, 2017
Last NPPES UpdateApril 23, 2025
NPPES CertifiedApril 23, 2025
✔ NPI 1326561382 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 · 119283
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.
253 S DIAMOND BAR BLVD, Diamond Bar, CA 91765
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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)

Jessica Chung Mac 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91765 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 8

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

ANNE LIAO MD
Obstetrics & Gynecology
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
KIM NGAN NGOC TRAN DO
Family Medicine
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
DAVID RHODES MD
Family Medicine
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
LORETTA ROUNDS RN
Registered Nurse
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 396-7045
EMILY DU KRASOWSKY MD
Obstetrics & Gynecology
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
LILIAN LI DO
Family Medicine
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
RUBY BANUELOS CALHOUN LCSW
Social Worker (Clinical)
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 396-7025
VERINA SALIB MSN, WHNP-BC
Nurse Practitioner (Women's Health)
253 S DIAMOND BAR BLVD
DIAMOND BAR, CA 91765
Los Angeles County (909) 929-2513

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 Jessica Mac's NPI number?

The NPI number for Jessica Mac is 1326561382. It was assigned to this individual provider in the NPPES registry on July 21, 2017.

Where is Jessica Mac located?

Jessica Mac practices at 253 S Diamond Bar Blvd, Diamond Bar, CA 91765. The listed phone number is (909) 860-1144.

What is Jessica Mac's specialty?

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

Is Jessica Mac enrolled in Medicare?

Yes. Jessica Mac is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jessica Mac was last updated on April 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.