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DR. GEORGE TUN MD
NPI 1437424884
Psychiatry & Neurology - Psychiatry in Irvine, CA

Active since March 19, 2012Opted out of Medicare · through Apr 1, 2027
15625 ALTON PKWY STE D, IRVINE, CA 92618(949) 396-6950(949) 396-6951 Get Directions Write a Review

NPPES record last updated: January 24, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 13, 2023, Aug 24, 2022, Apr 8, 2019 and 1 more (4 updates tracked since 2016).

About Dr. George Tun Md NPPES

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

DR. GEORGE TUN MD (NPI 1437424884) is an individual psychiatry provider in Irvine, California, licensed in California (A126691) and active in the NPI registry since March 2012. He has opted out of Medicare through April 1, 2027.

NPPES Registry Identity

NPI1437424884
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GEORGE TUNCredential: MD
Location Address15625 ALTON PKWY STE DIrvine, CA 92618-7319
Mailing Address15625 Alton Pkwy Ste DIrvine, CA 92618-7319
Phone(949) 396-6950
Fax(949) 396-6951
Sole ProprietorNo
Enumeration DateMarch 19, 2012
Last NPPES UpdateJanuary 24, 20244 updates tracked since enumeration
NPPES CertifiedJanuary 24, 2024
✔ NPI 1437424884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A126691
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
15625 ALTON PKWY STE D, Irvine, CA 92618
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. George Tun Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
73 services14 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
15 services15 patients

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.

MARINA WILSON RIAD PA-C
Physician Assistant
15625 ALTON PKWY STE D
IRVINE, CA 92618
Orange County (949) 396-6950
GEORGE TUN MD INC
Psychiatry & Neurology (Psychiatry)
15625 ALTON PKWY STE D
IRVINE, CA 92618
Orange County (949) 396-6950

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 George Tun's NPI number?

The NPI number for George Tun is 1437424884. It was assigned to this individual provider in the NPPES registry on March 19, 2012.

Where is George Tun located?

George Tun practices at 15625 Alton Pkwy Ste D, Irvine, CA 92618. The listed phone number is (949) 396-6950.

What is George Tun's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is George Tun enrolled in Medicare?

No. George Tun has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for George Tun was last updated on January 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.