Fergus Ng, MD
NPI 1700806981 · Emergency Medicine Physician · Tustin, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fergus Ng, MD is a Emergency Medicine Physician provider in Tustin, CA (NPI 1700806981).
Provider details
- NPI number
- 1700806981
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G63694 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
199 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 175 | $176 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 13 | $122 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 11 | $7 |
Typical Medicare-allowed amounts for these services range $7–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Fergus Ng's NPI number?
- Fergus Ng's National Provider Identifier (NPI) is 1700806981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fergus Ng's specialty?
- Fergus Ng is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fergus Ng located?
- Fergus Ng's practice location on file with NPPES is 14662 Newport Ave, Tustin, CA 92780-6064.
- What is Fergus Ng's phone number?
- The practice phone number listed in the NPPES registry for Fergus Ng is (714) 669-2000.
- Does Fergus Ng accept Medicare?
- Fergus Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fergus Ng's NPI active?
- Yes — Fergus Ng's NPI (1700806981) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.