Chau Ngo, M.D.
NPI 1477613339 · Internal Medicine Physician · Laguna Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chau Ngo, M.D. is a Internal Medicine Physician provider in Laguna Beach, CA (NPI 1477613339).
Provider details
- NPI number
- 1477613339
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G72718 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
89 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 46 | $9 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 30 | $29 |
| Hemoglobin A1c Level83036 | 13 | $10 |
Typical Medicare-allowed amounts for these services range $9–$29 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 219 | 52 |
| Rosuvastatin Calcium | 177 | 28 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 155 | 16 |
| Metformin Hcl | 110 | 21 |
| Omeprazole | 83 | 11 |
| Amlodipine Besylate | 77 | 20 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$158 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2015-01-20
Frequently asked questions
- What is Chau Ngo's NPI number?
- Chau Ngo's National Provider Identifier (NPI) is 1477613339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chau Ngo's specialty?
- Chau Ngo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chau Ngo located?
- Chau Ngo's practice location on file with NPPES is 362 3rd St, Laguna Beach, CA 92651-2307.
- What is Chau Ngo's phone number?
- The practice phone number listed in the NPPES registry for Chau Ngo is (949) 494-0761.
- Does Chau Ngo accept Medicare?
- Chau Ngo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chau Ngo's NPI active?
- Yes — Chau Ngo's NPI (1477613339) is active in the NPPES registry as of the last update on 2015-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.