DAVID THANH NGUYEN D.O.
NPI 1891050712
Psychiatry & Neurology - Neurology in San Diego, CA
About David Thanh Nguyen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID THANH NGUYEN D.O. (NPI 1891050712) is an individual neurology provider in San Diego, California, licensed in California (20A14415) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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
David Thanh 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
3Medicare enrollment records show David Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1023425972 (California)
- 13,921 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 clinicians in this Medicare group
Aiea, HI 96701
- Reassigned Medicare billing, Hawaii enrollment
- 134 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92120 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.
SAN DIEGO, CA 92120
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 David Nguyen's NPI number?
The NPI number for David Nguyen is 1891050712. It was assigned to this individual provider in the NPPES registry on July 6, 2012.
Where is David Nguyen located?
David Nguyen practices at 4405 Vandever Ave, San Diego, CA 92120. The listed phone number is (619) 516-6890.
What is David Nguyen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is David Nguyen enrolled in Medicare?
Yes. David 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 David Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Nguyen reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (San Diego, CA), Hawaii Permanente Medical Group Inc (Honolulu, HI) and Pali Momi Medical Center (Aiea, HI). 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 David 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 David Nguyen was last updated on April 17, 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.
# David Thanh Nguyen, D.O. · NPI 1891050712
Neurology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 6, 2012.
## Identity
- **NPI:** 1891050712 (Entity type: Individual)
- **Enumerated:** July 6, 2012
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 20A14415 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4405 VANDEVER AVE, San Diego, CA 92120-3315
- **Phone:** (619) 516-6890
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA); Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI); Pali Momi Medical Center (NPI 1275588329, Aiea, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** April 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1891050712) · Data from the CMS NPPES public registry.