DR. ANDY HUY NGUYEN D.O.
NPI 1053748459
Internal Medicine in Encinitas, CA
About Dr. Andy Huy Nguyen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDY HUY NGUYEN D.O. (NPI 1053748459) is an individual internal medicine provider in Encinitas, California, licensed in California (14947) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS and is a graduate of Touro Un Col Of Osteopathic Medicine, Henderson (2011).
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. Andy Huy Nguyen D.o. 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 Reassignments
14Medicare enrollment records show Andy Nguyen reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 92 clinicians in this Medicare group
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 194 clinicians in this Medicare group
Garden Grove, CA 92840
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Santa Clarita, CA 91321
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Golden, CO 80401
- Reassigned Medicare billing, Colorado enrollment
- 101 clinicians in this Medicare group
Casper, WY 82601
- Reassigned Medicare billing, Wyoming enrollment
- 108 clinicians in this Medicare group
Vancouver, WA 98664
- Reassigned Medicare billing, Washington enrollment
- 915 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 92024 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ENCINITAS, CA 92024
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 Andy Nguyen's NPI number?
The NPI number for Andy Nguyen is 1053748459. It was assigned to this individual provider in the NPPES registry on September 30, 2013. The provider is also known as Huy Tuan Nguyen.
Where is Andy Nguyen located?
Andy Nguyen practices at 354 Santa Fe Dr, Encinitas, CA 92024. The listed phone number is (760) 230-2251.
What is Andy Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andy Nguyen enrolled in Medicare?
Yes. Andy Nguyen 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 organizations bill Medicare for Andy Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andy Nguyen reassigns Medicare benefits to 14 organizations: North County Inpatient Medical Alliance, A Medical Group, Inc (Encinitas, CA), Enlightened Healthcare Alliance Medical Corporation (Encinitas, CA), Nr Medical Associates (San Diego, CA), Careconnectmd Ca PC (Costa Mesa, CA), House Call Medical Associates, Inc. (Garden Grove, CA) and 9 more organizations, listed in the Medicare section above. Each 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 Andy Nguyen'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 Andy Nguyen was last updated on February 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Andy Huy Nguyen, D.O. · NPI 1053748459
Internal Medicine physician in Encinitas, California. Individual provider, active in the CMS NPPES registry since September 30, 2013.
## Identity
- **NPI:** 1053748459 (Entity type: Individual)
- **Enumerated:** September 30, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 14947 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 354 SANTA FE DR, Encinitas, CA 92024-5142
- **Phone:** (760) 230-2251
## 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:** 14 organizations under Medicare reassignment (form CMS-855R): North County Inpatient Medical Alliance, A Medical Group, Inc (NPI 1932108115, Encinitas, CA); Enlightened Healthcare Alliance Medical Corporation (NPI 1710458245, Encinitas, CA); Nr Medical Associates (NPI 1649601113, San Diego, CA); Careconnectmd Ca PC (NPI 1366063125, Costa Mesa, CA); House Call Medical Associates, Inc. (NPI 1548688732, Garden Grove, CA); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un Col Of Osteopathic Medicine, Henderson, class of 2011
## Record status
- **NPPES last updated:** February 25, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1053748459) · Data from the CMS NPPES public registry.