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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.

STEPHANIE AFI HOUNNOU
NPI 1710451638
Social Worker - Clinical in Los Angeles, CA

Active since January 14, 2019PECOS Enrolled
6500 WILSHIRE BLVD FL 19, LOS ANGELES, CA 90048(805) 764-9651(747) 330-1670 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 12, 2026, Sep 22, 2026, Dec 4, 2025 and 2 more (5 updates tracked since 2019).

About Stephanie Afi Hounnou NPPES

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

STEPHANIE AFI HOUNNOU (NPI 1710451638) is an individual clinical provider in Los Angeles, California, licensed in Illinois (149026152) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Rockford.

NPPES Registry Identity

NPI1710451638
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSTEPHANIE AFI HOUNNOU
Location Address6500 WILSHIRE BLVD FL 19Los Angeles, CA 90048-4920
Mailing Address6500 Wilshire Blvd Fl 19Los Angeles, CA 90048-4920 · (805) 764-9651 · Fax (747) 330-1670
Phone(805) 764-9651
Fax(747) 330-1670
Sole ProprietorYes
Enumeration DateJanuary 14, 2019
Last NPPES UpdateOctober 12, 20265 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1710451638 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 IL · 149026152
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 · License 110112 (CA)
6500 WILSHIRE BLVD FL 19, Los Angeles, CA 90048
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Other Names 1

Other Name (5)Stephanie Afi Mutchler Lcsw

Secondary Practice Location 1

Location 1461 N Mulford Rd Ste 10Rockford, IL 61107-5165 · Phone (815) 575-8094

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Afi Hounnou 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Stephanie Hounnou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Monica Perlman MD Inc.
105 mi
Primary Care
9850 GENESEE AVE STE 320
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 341 clinicians in this Medicare group
NPI 1134309305 (858) 864-9800
Grow Healthcare Group PC
300 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
Grow Healthcare Group PA
2,346 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Illinois enrollment
  • 581 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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 90048 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.

SALMA MASOOD KHAN LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
SHANICE WILLIAMS LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
TIFFANY OLIVARES LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
OLAJUMOKE BELL PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
DENISE LANIER
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
RONALD LEE BAKER MSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (800) 270-9256
AMY BETH PENNER LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
CYNTHIA ELIDE PEREZ LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651

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 Stephanie Hounnou's NPI number?

The NPI number for Stephanie Hounnou is 1710451638. It was assigned to this individual provider in the NPPES registry on January 14, 2019. The provider is also known as Stephanie Afi Mutchler Lcsw.

Where is Stephanie Hounnou located?

Stephanie Hounnou practices at 6500 Wilshire Blvd Fl 19, Los Angeles, CA 90048. The listed phone number is (805) 764-9651.

What is Stephanie Hounnou's specialty?

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

Is Stephanie Hounnou enrolled in Medicare?

Yes. Stephanie Hounnou is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephanie Hounnou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Hounnou reassigns Medicare benefits to 3 organizations: Monica Perlman MD Inc. (La Jolla, CA), Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). Each 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 Stephanie Hounnou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephanie Hounnou accept?

Health plans from Oscar Health list Stephanie Hounnou 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 Stephanie Hounnou was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.