1. Home
  2. Directory
  3. California
  4. Fountain Valley
  5. Internal Medicine
  6. NPI Profile

DR TUNG NGO, INC
NPI 1063122893
Internal Medicine in Fountain Valley, CA

Active since December 02, 2022
11100 WARNER AVE STE 158, FOUNTAIN VALLEY, CA 92708(714) 279-0010(478) 313-5538 Get Directions Write a Review

NPPES record last updated: January 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 5, 2023, Dec 6, 2022, Dec 2, 2022 (3 updates tracked since 2022).

About Dr Tung Ngo, Inc NPPES

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

DR TUNG NGO, INC (NPI 1063122893) is a healthcare organization registered as an internal medicine in Fountain Valley, California and active in the NPI registry since December 2022. The organization lists Tung H Ngo, Owner, as its authorized official.

NPPES Registry Identity

NPI1063122893
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDR TUNG NGO, INC
Location Address11100 WARNER AVE STE 158Fountain Valley, CA 92708-7510
Mailing Address5421 W Henderson PlSanta Ana, CA 92704-1037 · (949) 566-1022 · Fax (478) 313-5538
Phone(714) 279-0010
Fax(478) 313-5538
Organization SubpartNo
Authorized OfficialTung H NgoOwner · (949) 566-1022
Enumeration DateDecember 2, 2022
Last NPPES UpdateJanuary 5, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2023
✔ NPI 1063122893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
11100 WARNER AVE STE 158, Fountain Valley, CA 92708
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr Tung Ngo, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr Tung Ngo, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tung Ngo, DO
Internal Medicine
NPI 1104095256
11 TECHNOLOGY DR
Irvine, CA 92618
(855) 206-6764
✔ PECOS✔ Accepts Medicare12 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Dr Tung Ngo, Inc's NPI number?

The NPI number for Dr Tung Ngo, Inc is 1063122893. It was assigned to this organization in the NPPES registry on December 2, 2022.

Where is Dr Tung Ngo, Inc located?

Dr Tung Ngo, Inc is located at 11100 Warner Ave Ste 158, Fountain Valley, CA 92708. The listed phone number is (714) 279-0010.

What is Dr Tung Ngo, Inc's specialty?

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

Is Dr Tung Ngo, Inc enrolled in Medicare?

Yes. Dr Tung Ngo, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr Tung Ngo, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Dr Tung Ngo, Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dr Tung Ngo, Inc was last updated on January 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.