Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW GANDJIAN M.D.
NPI 1669826566
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Laguna Hills, CA

Q: What is Matthew Gandjian's NPI number?

The NPI number for Matthew Gandjian is 1669826566. It was assigned to this individual provider in the NPPES registry on April 17, 2016.

Q: What is Matthew Gandjian's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Gandjian was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.

Active since April 17, 2016PECOS Enrolled

24411 HEALTH CENTER DR STE 520, LAGUNA HILLS, CA 92653(949) 268-4568(949) 455-2795 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 18, 2026, Oct 27, 2023 (2 updates tracked since 2023).

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About Matthew Gandjian M.d. NPPES

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

MATTHEW GANDJIAN M.D. (NPI 1669826566) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Laguna Hills, California, licensed in California (A155689) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669826566

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameMATTHEW GANDJIANCredential: M.D.

Location Address24411 HEALTH CENTER DR STE 520Laguna Hills, CA 92653-3633

Mailing Address24411 Health Center Dr Ste 520Laguna Hills, CA 92653-3633 · (949) 268-4568 · Fax (949) 455-2795

Phone(949) 268-4568

Fax(949) 455-2795

Sole ProprietorNo

Enumeration DateApril 17, 2016

Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration

NPPES CertifiedAugust 18, 2026

✔ NPI 1669826566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in CA · A155689

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

24411 HEALTH CENTER DR STE 520, Laguna Hills, CA 92653

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Gandjian M.d. 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.

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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

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 2

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

WALTER S GREEN, M.D. MEDICAL CORPORATION

Specialist

24411 HEALTH CENTER DR STE 520
LAGUNA HILLS, CA 92653

Orange County (949) 452-3841

GREEN DERMATOLOGIC MEDICAL GROUP A MEDICAL CORPORATION

Specialist

24411 HEALTH CENTER DR STE 520
LAGUNA HILLS, CA 92653

Orange County (949) 452-3841

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 Matthew Gandjian's NPI number?

The NPI number for Matthew Gandjian is 1669826566. It was assigned to this individual provider in the NPPES registry on April 17, 2016.

Where is Matthew Gandjian located?

Matthew Gandjian practices at 24411 Health Center Dr Ste 520, Laguna Hills, CA 92653. The listed phone number is (949) 268-4568.

What is Matthew Gandjian's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Matthew Gandjian enrolled in Medicare?

Yes. Matthew Gandjian is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Matthew Gandjian was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.