DR. AN NGOC HUYNH M.D.
NPI 1770844391
Ophthalmology in Loma Linda, CA
About Dr. An Ngoc Huynh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AN NGOC HUYNH M.D. (NPI 1770844391) is an individual ophthalmology provider in Loma Linda, California, licensed in California (130133) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Dr. An Ngoc 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.
Medicare Billing Reassignment
Medicare enrollment records show An Huynh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92354 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
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 An Huynh's NPI number?
The NPI number for An Huynh is 1770844391. It was assigned to this individual provider in the NPPES registry on May 30, 2012. The provider is also known as Dr. Ngoc-An Huynh M.D..
Where is An Huynh located?
An Huynh practices at 11234 Anderson St Gme Office Csp 21005, Loma Linda, CA 92354. The listed phone number is (909) 558-2154.
What is An Huynh's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is An Huynh enrolled in Medicare?
Yes. An 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 An Huynh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), An Huynh reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 An 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 An Huynh was last updated on April 27, 2022. 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.
# Dr. An Ngoc Huynh, M.D. · NPI 1770844391
Ophthalmology physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since May 30, 2012.
## Identity
- **NPI:** 1770844391 (Entity type: Individual)
- **Enumerated:** May 30, 2012
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 130133 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11234 ANDERSON ST, GME OFFICE CSP 21005, Loma Linda, CA 92354-2804
- **Phone:** (909) 558-2154
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** April 27, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1770844391) · Data from the CMS NPPES public registry.