MRS. JENNIFER CHRISTINE DAYOAN
NPI 1639486608
Social Worker - Clinical in Costa Mesa, CA

Active since September 10, 2010PECOS Enrolled
151 KALMUS DR STE K1, COSTA MESA, CA 92626(800) 577-4701 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Jennifer Christine Dayoan NPPES

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

MRS. JENNIFER CHRISTINE DAYOAN (NPI 1639486608) is an individual clinical provider in Costa Mesa, California, licensed in California (26341) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639486608
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. JENNIFER CHRISTINE DAYOAN
Location Address151 KALMUS DR STE K1Costa Mesa, CA 92626-5975
Mailing Address22981 Triton Way Unit ELaguna Hills, CA 92653 · (949) 468-8681
Sole ProprietorYes
Enumeration DateSeptember 10, 2010
Last NPPES UpdateMay 6, 2026
NPPES CertifiedMay 6, 2026
✔ NPI 1639486608 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 · 26341
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.
151 KALMUS DR STE K1, Costa Mesa, CA 92626

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Jennifer Christine Dayoan 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 Reassignment

Medicare enrollment records show Jennifer Dayoan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
2578 BROADWAY # 607
New York, NY 10025
  • Reassigned Medicare billing, California enrollment
  • 97 clinicians in this Medicare group

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 92626 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 7

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

Counselor (Addiction (Substance Use Disorder))
151 KALMUS DR STE K1
COSTA MESA, CA 92626
General Acute Care Hospital
151 KALMUS DR STE K1
COSTA MESA, CA 92626
Counselor (Addiction (Substance Use Disorder))
151 KALMUS DR STE K1
COSTA MESA, CA 92626
Counselor (Addiction (Substance Use Disorder))
151 KALMUS DR STE K1
COSTA MESA, CA 92626
Counselor (Addiction (Substance Use Disorder))
151 KALMUS DR STE K1
COSTA MESA, CA 92626
Counselor (Addiction (Substance Use Disorder))
151 KALMUS DR STE K1
COSTA MESA, CA 92626
Counselor (Addiction (Substance Use Disorder))
151 KALMUS DR STE K1
COSTA MESA, CA 92626

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 Jennifer Dayoan's NPI number?

The NPI number for Jennifer Dayoan is 1639486608. It was assigned to this individual provider in the NPPES registry on September 10, 2010.

Where is Jennifer Dayoan located?

Jennifer Dayoan practices at 151 Kalmus Dr Ste K1, Costa Mesa, CA 92626. The listed phone number is (800) 577-4701.

What is Jennifer Dayoan's specialty?

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

Is Jennifer Dayoan enrolled in Medicare?

Yes. Jennifer Dayoan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jennifer Dayoan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Dayoan reassigns Medicare benefits to Talkspace Provider Network Ca PC (New York, NY). 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 Jennifer Dayoan'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 Jennifer Dayoan was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.