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TREVOR DUNBAR
NPI 1659900785
Internal Medicine in Laguna Hills, CA

Active since April 01, 2020PECOS EnrolledAccepts Medicare Assignment
26538 MOULTON PKWY STE 38E, LAGUNA HILLS, CA 92653(949) 448-0656(949) 425-2465 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 17, 2026, Sep 1, 2023, Apr 1, 2020 (3 updates tracked since 2020).

About Trevor Dunbar NPPES

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

TREVOR DUNBAR (NPI 1659900785) is an individual internal medicine provider in Laguna Hills, California, licensed in California (20992) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1659900785
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTREVOR DUNBAR
Location Address26538 MOULTON PKWY STE 38ELaguna Hills, CA 92653-8232
Mailing Address26538 Moulton Pkwy Ste 38eLaguna Hills, CA 92653-8232 · (949) 448-0656 · Fax (949) 425-2465
Phone(949) 448-0656
Fax(949) 425-2465
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 1, 2020
Last NPPES UpdateAugust 17, 20263 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1659900785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20992
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
26538 MOULTON PKWY STE 38E, Laguna Hills, CA 92653
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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

Trevor Dunbar 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 ID4880058221
PECOS Enrollment IDI20230918003706
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 Trevor Dunbar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorialcare Medical Foundation
17 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622
Trinity Medical Multi-Specialty Group Inc.
35 mi
Gastroenterology
31625 DE PORTOLA RD STE 101
Temecula, CA 92592
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1598399917 (951) 501-4200

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 92653 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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 8

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

THEODORE SY MD
Internal Medicine (Gastroenterology)
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (949) 448-0656
DR. SUCHITRA MOHINDRA MD
Family Medicine
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (949) 448-0656
MARCO ALEXANDER CIANCIOLA MD
Family Medicine
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (877) 696-3622
DR. PATRICK S THOMPSON MD
Family Medicine
26538 MOULTON PKWY STE 38E
ALISO VIEJO, CA 92653
Orange County (949) 448-0656
DR. SUNIL GUPTA D.O.
Internal Medicine (Rheumatology)
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (949) 448-0656
FARID JALALI M.D.
Internal Medicine (Gastroenterology)
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (949) 448-0656
DR. MICHAEL LYNN CHANG D.O.
Family Medicine
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (949) 448-0656
DR. MATTHEW K. COULSON M.D.
Pediatrics
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Orange County (949) 448-0656

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 Trevor Dunbar's NPI number?

The NPI number for Trevor Dunbar is 1659900785. It was assigned to this individual provider in the NPPES registry on April 1, 2020.

Where is Trevor Dunbar located?

Trevor Dunbar practices at 26538 Moulton Pkwy Ste 38E, Laguna Hills, CA 92653. The listed phone number is (949) 448-0656.

What is Trevor Dunbar's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Trevor Dunbar enrolled in Medicare?

Yes. Trevor Dunbar 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 Trevor Dunbar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trevor Dunbar reassigns Medicare benefits to 2 organizations: Memorialcare Medical Foundation (Fountain Valley, CA) and Trinity Medical Multi-Specialty Group Inc. (Temecula, CA). 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 Trevor Dunbar'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 Trevor Dunbar was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.