Dean Ngo, MD
NPI 1982690582 · Internal Medicine Physician · Westminster, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dean Ngo, MD is a Internal Medicine Physician provider in Westminster, CA (NPI 1982690582).
Provider details
- NPI number
- 1982690582
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A60674 (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
20 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
10,356 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,165 | $85 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 1,087 | $54 |
| Collection and Interpretation of Physical Parameters Stored in Computers And/Or Transmitted By the Patient And/Or Caregiver to Qualified Health Care Professional, Requiring 30 Minutes Or More, Per 30 Days99091 | 1,016 | $56 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 981 | $42 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 922 | $55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 600 | 193 |
| Losartan Potassium | 432 | 141 |
| Metformin Hcl | 292 | 88 |
| Amlodipine Besylate | 289 | 96 |
| Atenolol | 197 | 71 |
| Tamsulosin Hcl | 178 | 54 |
| Gabapentin | 149 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,370 across 44 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
- 2005-09-20
- Last updated
- 2013-05-23
Frequently asked questions
- What is Dean Ngo's NPI number?
- Dean Ngo's National Provider Identifier (NPI) is 1982690582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dean Ngo's specialty?
- Dean Ngo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dean Ngo located?
- Dean Ngo's practice location on file with NPPES is 15606 Brookhurst Street, Westminster, CA 92683.
- What is Dean Ngo's phone number?
- The practice phone number listed in the NPPES registry for Dean Ngo is (714) 531-0000.
- Does Dean Ngo accept Medicare?
- Dean Ngo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dean Ngo's NPI active?
- Yes — Dean Ngo's NPI (1982690582) is active in the NPPES registry as of the last update on 2013-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.