NICHOLAS HUYNH M.D.
NPI 1538429113
Student in an Organized Health Care Education/Training Program in Santa Ana, CA

Active since May 17, 2012PECOS EnrolledAccepts Medicare Assignment
1900 E 4TH ST, SANTA ANA, CA 92705(888) 988-2800 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nicholas Huynh M.d. NPPES

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

NICHOLAS HUYNH M.D. (NPI 1538429113) is an individual student in an organized health care education/training program in Santa Ana, California and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2009).

NPPES Registry Identity

NPI1538429113
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameNICHOLAS HUYNHCredential: M.D.
Location Address1900 E 4TH STSanta Ana, CA 92705-3910
Mailing Address1900 E 4th StSanta Ana, CA 92705-3910
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2009
Enumeration DateMay 17, 2012
Last NPPES UpdateDecember 15, 2021
✔ NPI 1538429113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1900 E 4TH ST, Santa Ana, CA 92705

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

Nicholas Huynh M.d. 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 ID9032349469
PECOS Enrollment IDI20140305000923
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 Reassignment

Medicare enrollment records show Nicholas Huynh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 20

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

Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Family Medicine
1900 E 4TH ST
SANTA ANA, CA 92705
Obstetrics & Gynecology
1900 E 4TH ST
SANTA ANA, CA 92705
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Pharmacy (Community/Retail Pharmacy)
1900 E 4TH ST
SANTA ANA, CA 92705

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 Nicholas Huynh's NPI number?

The NPI number for Nicholas Huynh is 1538429113. It was assigned to this individual provider in the NPPES registry on May 17, 2012.

Where is Nicholas Huynh located?

Nicholas Huynh practices at 1900 E 4th St, Santa Ana, CA 92705. The listed phone number is (888) 988-2800.

What is Nicholas Huynh's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Nicholas Huynh enrolled in Medicare?

Yes. Nicholas Huynh 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 organization bills Medicare for Nicholas Huynh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Huynh reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The 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 Nicholas Huynh'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 Nicholas Huynh was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.