FERGUS S NG MD
NPI 1700806981
Emergency Medicine in Tustin, CA
About Fergus S Ng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FERGUS S NG MD (NPI 1700806981) is an individual emergency medicine provider in Tustin, California, licensed in California (G63694) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Fergus S Ng Md 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 Fergus Ng reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 121 clinicians in this Medicare group
Santa Ana, CA 92706
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Glendale, CA 91202
- Reassigned Medicare billing, California enrollment
- 14 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 3
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 92780 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.
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 Fergus Ng's NPI number?
The NPI number for Fergus Ng is 1700806981. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is Fergus Ng located?
Fergus Ng practices at 14662 Newport Ave, Tustin, CA 92780. The listed phone number is (714) 669-2000.
What is Fergus Ng's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Fergus Ng enrolled in Medicare?
Yes. Fergus Ng 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 Fergus Ng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fergus Ng reassigns Medicare benefits to 3 organizations: Can Emergency Physicians Medical Group Inc (Tustin, CA), Knd Development 59 LLC (Santa Ana, CA) and Doctors Managed Emergency Medical Group Inc. (Glendale, 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 Fergus Ng'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 Fergus Ng was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Fergus S Ng, MD · NPI 1700806981
Emergency Medicine physician in Tustin, California. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1700806981 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G63694 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 14662 NEWPORT AVE, Tustin, CA 92780-6064
- **Phone:** (714) 669-2000 · **Fax:** (818) 587-2493
## 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): Can Emergency Physicians Medical Group Inc (NPI 1386018356, Tustin, CA); Knd Development 59 LLC (NPI 1740519081, Santa Ana, CA); Doctors Managed Emergency Medical Group Inc. (NPI 1922241843, Glendale, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN E82006 (CA); Other 00G636940 (CA); Other P00252850 (CA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1700806981) · Data from the CMS NPPES public registry.