1. Home
  2. Directory
  3. California
  4. Fountain Valley
  5. Psychiatry Neurology
  6. NPI Profile

TRUONG NEUROSCIENCE INSTITUTE INC.
NPI 1952643512
Psychiatry & Neurology - Neurology in Fountain Valley, CA

Active since March 21, 2013
9940 TALBERT AVE, SUITE 204, FOUNTAIN VALLEY, CA 92708(714) 378-5062(714) 378-5061 Get Directions Write a Review

NPPES record last updated: August 14, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Truong Neuroscience Institute Inc. NPPES

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

TRUONG NEUROSCIENCE INSTITUTE INC. (NPI 1952643512) is a healthcare organization registered as a neurology in Fountain Valley, California and active in the NPI registry since March 2013. The organization lists Daniel Truong, Director/physician, as its authorized official.

NPPES Registry Identity

NPI1952643512
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameTRUONG NEUROSCIENCE INSTITUTE INC.
Location Address9940 TALBERT AVE, SUITE 204Fountain Valley, CA 92708-5153
Mailing Address9940 Talbert Ave, Suite 204Fountain Valley, CA 92708-5153 · (714) 378-5062 · Fax (714) 378-5061
Phone(714) 378-5062
Fax(714) 378-5061
Organization SubpartNo
Authorized OfficialDaniel TruongDirector/physician · (714) 378-5062
Enumeration DateMarch 21, 2013
Last NPPES UpdateAugust 14, 2013
✔ NPI 1952643512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
9940 TALBERT AVE, 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)

Truong Neuroscience Institute Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Truong Neuroscience Institute Inc., which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Kong Truong, M.D.
Neurology
NPI 1023329125
9940 TALBERT AVE SUITE 204
Fountain Valley, CA 92708
(714) 378-5635
✔ PECOS✔ Accepts Medicare0.1 mi
Deepmala Nandanwar, M.D.
Neurology
NPI 1942685094
9940 TALBERT AVE STE 100
Fountain Valley, CA 92708
(714) 378-5062
✔ PECOS✔ Accepts Medicare0.1 mi
Christina Nguyen, MD
Neurology
NPI 1508186701
9940 TALBERT AVE STE 204
Fountain Valley, CA 92708
(714) 378-5062
✔ PECOS✔ Accepts Medicare0.1 mi
Daniel Truong, M.D.
Neurology
NPI 1992720916
9940 TALBERT AVE STE 204
Fountain Valley, CA 92708
(714) 378-5062
✔ PECOS✔ Accepts Medicare0.1 mi
Frank Xing
Neurology
NPI 1750792545
9940 TALBERT AVE STE 100
Fountain Valley, CA 92708
(714) 378-5062
✔ PECOS✔ Accepts Medicare0.1 mi
Mayank Pathak, M.D.
Neurology
NPI 1114959475
1140 W LA VETA AVE SUITE 730
Orange, CA 92868
(714) 541-6800
✔ PECOS✔ Accepts Medicare7.5 mi
Ignacio Carrillo-Nunez, M.D.
Neurology
NPI 1205827201
1045 ATLANTIC AVE STE 719
Long Beach, CA 90813
(562) 591-1324
✔ PECOS✔ Accepts Medicare14 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 Truong Neuroscience Institute Inc.'s NPI number?

The NPI number for Truong Neuroscience Institute Inc. is 1952643512. It was assigned to this organization in the NPPES registry on March 21, 2013.

Where is Truong Neuroscience Institute Inc. located?

Truong Neuroscience Institute Inc. is located at 9940 Talbert Ave Suite 204, Fountain Valley, CA 92708. The listed phone number is (714) 378-5062.

What is Truong Neuroscience Institute Inc.'s specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Truong Neuroscience Institute Inc. enrolled in Medicare?

Yes. Truong Neuroscience Institute Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Truong Neuroscience Institute Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians, all in Neurology, reassign their Medicare billing to Truong Neuroscience Institute 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. Of these, 6 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Truong Neuroscience Institute Inc. was last updated on August 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.