MR. DAVID NGO
NPI 1922240423
Emergency Medicine in Garden Grove, CA
About Mr. David Ngo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DAVID NGO (NPI 1922240423) is an individual emergency medicine provider in Garden Grove, California, licensed in California (A1204341) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Mr. David Ngo 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
5Medicare enrollment records show David Ngo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fullerton, CA 92833
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Huntington Beach, CA 92647
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
La Palma, CA 90623
- Reassigned Medicare billing, California enrollment
- 62 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 56 clinicians in this Medicare group
Inglewood, CA 90301
- Reassigned Medicare billing, California enrollment
- 111 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 5
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 92840 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ngo's NPI number?
The NPI number for David Ngo is 1922240423. It was assigned to this individual provider in the NPPES registry on March 30, 2009.
Where is David Ngo located?
David Ngo practices at 12311 Janet St, Garden Grove, CA 92840. The listed phone number is (818) 462-3517.
What is David Ngo's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is David Ngo enrolled in Medicare?
Yes. David Ngo 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 Ngo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Ngo reassigns Medicare benefits to 5 organizations: Southern California Permanente Medical Group (Fullerton, CA), Beach Emergency Medical Associates (Huntington Beach, CA), Orange County Emergency Medical Associates, Inc. (La Palma, CA), Pacific Coast Emergency Medical Associates, Inc (Long Beach, CA) and Centinela Freeman Emergency Medical Associates, Inc. (Inglewood, CA). 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 Ngo'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 Ngo was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mr. David Ngo · NPI 1922240423
Emergency Medicine physician in Garden Grove, California. Individual provider, active in the CMS NPPES registry since March 30, 2009.
## Identity
- **NPI:** 1922240423 (Entity type: Individual)
- **Enumerated:** March 30, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A1204341 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 12311 JANET ST, Garden Grove, CA 92840-3823
- **Phone:** (818) 462-3517
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1336556059, Fullerton, CA); Beach Emergency Medical Associates (NPI 1013074996, Huntington Beach, CA); Orange County Emergency Medical Associates, Inc. (NPI 1508114711, La Palma, CA); Pacific Coast Emergency Medical Associates, Inc (NPI 1316179492, Long Beach, CA); Centinela Freeman Emergency Medical Associates, Inc. (NPI 1528333101, Inglewood, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** October 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1922240423) · Data from the CMS NPPES public registry.