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SARAH MELISSA SACK ACSW
NPI 1871109231
Social Worker - Clinical in Santa Ana, CA

Active since September 21, 2020PECOS Enrolled
1910 N BUSH ST, SANTA ANA, CA 92706(714) 361-7950 Get Directions Write a Review

NPPES record last updated: September 21, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sarah Melissa Sack Acsw NPPES

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

SARAH MELISSA SACK ACSW (NPI 1871109231) is an individual clinical provider in Santa Ana, California, licensed in California (ASW95673) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1871109231
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSARAH MELISSA SACKCredential: ACSW
Location Address1910 N BUSH STSanta Ana, CA 92706-2816
Mailing Address1910 N Bush StSanta Ana, CA 92706-2816 · (714) 361-7950
Phone(714) 361-7950
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 21, 2020
NPPES CertifiedSeptember 21, 2020
✔ NPI 1871109231 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 · ASW95673
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.
1910 N BUSH ST, Santa Ana, CA 92706
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sarah Melissa Sack Acsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658849435
PECOS Enrollment IDI20260511000990
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 Sarah Sack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Grow Healthcare Group PC
335 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

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 92706 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.

NICOLE CASTRO
Counselor (Mental Health)
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-7950
MARLYN POSADAS
Rehabilitation Practitioner
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 795-3444
MISS DIANA HUA
Counselor (Mental Health)
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-4860
NICHOLAS JOHNSON
Counselor
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-7950
SHELLY AGUILAR NP
Nurse Practitioner (Psychiatric/Mental Health)
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-7950
SANDRA DONGPRATEEP
Student in an Organized Health Care Education/Training Program
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-7950
MS. SARAH ELIZABETH KINCAID
Community Health Worker
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-4860
AARON WOODS
Counselor
1910 N BUSH ST
SANTA ANA, CA 92706
Orange County (714) 361-7950

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 Sarah Sack's NPI number?

The NPI number for Sarah Sack is 1871109231. It was assigned to this individual provider in the NPPES registry on September 21, 2020.

Where is Sarah Sack located?

Sarah Sack practices at 1910 N Bush St, Santa Ana, CA 92706. The listed phone number is (714) 361-7950.

What is Sarah Sack's specialty?

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

Is Sarah Sack enrolled in Medicare?

Yes. Sarah Sack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Sack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Sack reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, 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 Sarah Sack'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 Sarah Sack was last updated on September 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.