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CHINENYE N UMUNNAKWE PMHNP-BC
NPI 1023754314
Nurse Practitioner - Psychiatric/Mental Health in Manhattan Beach, CA

Active since May 09, 2022PECOS EnrolledAccepts Medicare Assignment
1000 N SEPULVEDA BLVD STE 270, MANHATTAN BEACH, CA 90266(925) 282-1778(415) 296-5299 Get Directions Write a Review

NPPES record last updated: February 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 12, 2025, Jul 20, 2023, May 9, 2022 (3 updates tracked since 2022).

About Chinenye N Umunnakwe Pmhnp-bc NPPES

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

CHINENYE N UMUNNAKWE PMHNP-BC (NPI 1023754314) is an individual psychiatric/mental health provider in Manhattan Beach, California, licensed in California (95020887) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Anaheim, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1023754314
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCHINENYE N UMUNNAKWECredential: PMHNP-BC
Location Address1000 N SEPULVEDA BLVD STE 270Manhattan Beach, CA 90266-5975
Mailing Address1000 N Sepulveda Blvd Ste 270Manhattan Beach, CA 90266-5975 · (925) 282-1778 · Fax (415) 296-5299
Phone(925) 282-1778
Fax(415) 296-5299
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 9, 2022
Last NPPES UpdateFebruary 12, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2025
✔ NPI 1023754314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95020887
1000 N SEPULVEDA BLVD STE 270, Manhattan Beach, CA 90266
Open in Google Maps ↗

Secondary Practice Location 1

Location 1710 N Euclid St Ste 208Anaheim, CA 92801-4132 · Phone (310) 738-7497

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Chinenye N Umunnakwe Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567839228
PECOS Enrollment IDI20221109001326
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

2

Medicare enrollment records show Chinenye Umunnakwe reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pamoja Advanced Nursing Practice Inc
23 mi
Psychiatric/Mental Health
3400 W BALL RD STE 100B
Anaheim, CA 92804
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1447801097 (144) 844-9007
Pacific Coast Psychiatric Associates Inc
373 mi
Clinical
7373 N SCOTTSDALE RD STE A199
Scottsdale, AZ 85253
  • Reassigned Medicare billing, California enrollment
  • 766 clinicians in this Medicare group
NPI 1023125465 (702) 805-5360

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 90266 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

DR. PHYLLIS ELLIOTT DWORSKY PH.D.
Psychologist (Clinical)
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (925) 282-1778
ONYEKWERE CHIBUEZE ANYANWU PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (925) 282-1778
DR. GEOFFREY PATRICK OKOTH ODHIAMBO DNP, PMHNP-BC, FNP-C
Nurse Practitioner (Psychiatric/Mental Health)
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (925) 282-1778
KIMBERLY CRYSTAL MARKLEY AMFT, CTP, LMFT
Marriage & Family Therapist
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (925) 282-1778
CHERRELLE BRIONA BROWN LMFT
Marriage & Family Therapist
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (925) 282-1778
MICHELLE ALISA BUCHOLTZ LCSW
Social Worker (Clinical)
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (424) 284-2440
MS. ALANA MICAELA MEIXNER LCSW
Social Worker (Clinical)
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (424) 284-2440
ALISON JOAN ATKINSON PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA 90266
Los Angeles County (925) 282-1778

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 Chinenye Umunnakwe's NPI number?

The NPI number for Chinenye Umunnakwe is 1023754314. It was assigned to this individual provider in the NPPES registry on May 9, 2022.

Where is Chinenye Umunnakwe located?

Chinenye Umunnakwe practices at 1000 N Sepulveda Blvd Ste 270, Manhattan Beach, CA 90266. The listed phone number is (925) 282-1778.

What is Chinenye Umunnakwe's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Chinenye Umunnakwe enrolled in Medicare?

Yes. Chinenye Umunnakwe is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Chinenye Umunnakwe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chinenye Umunnakwe reassigns Medicare benefits to 2 organizations: Pamoja Advanced Nursing Practice Inc (Anaheim, CA) and Pacific Coast Psychiatric Associates Inc (Scottsdale, AZ). 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 Chinenye Umunnakwe'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 Chinenye Umunnakwe was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.