1. Home
  2. Directory
  3. California
  4. Irvine
  5. Nurse Practitioner
  6. NPI Profile

SHEENA BACKER PMHNP-BC
NPI 1215691332
Nurse Practitioner - Psychiatric/Mental Health in Irvine, CA

Active since October 25, 2021PECOS EnrolledAccepts Medicare Assignment
4040 BARRANCA PKWY STE 260, IRVINE, CA 92604(925) 282-1778 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 6, 2025, May 28, 2025, Apr 10, 2024 and 4 more (7 updates tracked since 2022).

About Sheena Backer Pmhnp-bc NPPES

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

SHEENA BACKER PMHNP-BC (NPI 1215691332) is an individual psychiatric/mental health provider in Irvine, California, licensed in California (95025449) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1215691332
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSHEENA BACKERCredential: PMHNP-BC
Location Address4040 BARRANCA PKWY STE 260Irvine, CA 92604-4780
Mailing Address4040 Barranca Pkwy Ste 260Irvine, CA 92604-4780 · (925) 282-1778
Phone(925) 282-1778
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 25, 2021
Last NPPES UpdateJune 6, 20257 updates tracked since enumeration
NPPES CertifiedJune 6, 2025
✔ NPI 1215691332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95025449
Also ListedNurse PractitionerTaxonomy 363L00000X · License 95025449 (CA)
4040 BARRANCA PKWY STE 260, Irvine, CA 92604
Open in Google Maps ↗

Secondary Practice Locations 4

Location 1711 E Ball Rd Ste 201Anaheim, CA 92805-5925 · Phone (714) 254-8473
Location 217862 17th St Ste 107Tustin, CA 92780-2170 · Phone (714) 767-3229
Location 3940 S Coast Dr Ste 260Costa Mesa, CA 92626-7719 · Phone (949) 524-4313
Location 41501 E Orangethorpe Ave Ste 200Fullerton, CA 92831-5205 · Phone (714) 254-8473

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

Sheena Backer 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 ID1658712534
PECOS Enrollment IDI20240826003586
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 Sheena Backer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pathways Community Services LLC
4.5 mi
Community/Behavioral Health
18302 IRVINE BLVD STE 375
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 27 clinicians in this Medicare group
NPI 1396436077 (714) 767-3229
Pacific Coast Psychiatric Associates Inc
339 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 92604 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.

SHARAREH VAGHEFI LMFT
Marriage & Family Therapist
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
HILA RAEN LCSW
Social Worker (Clinical)
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
ANDREW B MIN M.D.
Psychiatry & Neurology (Psychiatry)
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
ALLYSON NICOLE BUSHNELL LCSW
Social Worker (Clinical)
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
DR. KEVIN SCOTT THOMAS PH.D.
Psychologist (Clinical)
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
CYNTHIA FLORIDO LMFT
Marriage & Family Therapist
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
NANCY SUE FANG PSYD
Psychologist (Clinical)
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange County (925) 282-1778
DR. JACQUELINE K KOPPERS PSYD, LP
Psychologist (Clinical)
4040 BARRANCA PKWY STE 260
IRVINE, CA 92604
Orange 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 Sheena Backer's NPI number?

The NPI number for Sheena Backer is 1215691332. It was assigned to this individual provider in the NPPES registry on October 25, 2021.

Where is Sheena Backer located?

Sheena Backer practices at 4040 Barranca Pkwy Ste 260, Irvine, CA 92604. The listed phone number is (925) 282-1778.

What is Sheena Backer's specialty?

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

Is Sheena Backer enrolled in Medicare?

Yes. Sheena Backer 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 Sheena Backer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sheena Backer reassigns Medicare benefits to 2 organizations: Pathways Community Services LLC (Tustin, 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 Sheena Backer'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 Sheena Backer was last updated on June 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.