HEATHER MESA
NPI 1841849353
Psychologist in Long Beach, CA

Active since September 06, 2019PECOS Enrolled
5901 E 7TH ST, LONG BEACH, CA 90822(323) 478-8200 Get Directions Write a Review

NPPES record last updated: November 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 20, 2024, Sep 6, 2019 (2 updates tracked since 2019).

About Heather Mesa NPPES

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

HEATHER MESA (NPI 1841849353) is an individual psychologist in Long Beach, California, licensed in California (35063) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841849353
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameHEATHER MESA
Location Address5901 E 7TH STLong Beach, CA 90822-5201
Mailing Address5901 E 7th StLong Beach, CA 90822-5201
Sole ProprietorNo
Enumeration DateSeptember 6, 2019
Last NPPES UpdateNovember 20, 20242 updates tracked since enumeration
NPPES CertifiedNovember 20, 2024
✔ NPI 1841849353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in CA · 35063
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
5901 E 7TH ST, Long Beach, CA 90822

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heather Mesa 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 Heather Mesa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cognitive & Behavioral
1526 BROOKHOLLOW DR STE 73
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 87 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.

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.

Internal Medicine
5901 E 7TH ST
LONG BEACH, CA 90822
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
5901 E 7TH ST
LONG BEACH, CA 90822
Optometrist
5901 E 7TH ST
LONG BEACH, CA 90822
Social Worker
5901 E 7TH ST
LONG BEACH, CA 90822
Registered Nurse (Psychiatric/Mental Health)
5901 E 7TH ST
LONG BEACH, CA 90822
Social Worker (Clinical)
5901 E 7TH ST
LONG BEACH, CA 90822
Speech-Language Pathologist
5901 E 7TH ST
LONG BEACH, CA 90822
General Acute Care Hospital
5901 E 7TH ST
LONG BEACH, CA 90822

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 Heather Mesa's NPI number?

The NPI number for Heather Mesa is 1841849353. It was assigned to this individual provider in the NPPES registry on September 6, 2019.

Where is Heather Mesa located?

Heather Mesa practices at 5901 E 7th St, Long Beach, CA 90822. The listed phone number is (323) 478-8200.

What is Heather Mesa's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Heather Mesa enrolled in Medicare?

Yes. Heather Mesa is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Heather Mesa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Mesa reassigns Medicare benefits to Cognitive Care Solutions Group Inc (Santa Ana, 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 Heather Mesa'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 Heather Mesa was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.