George Ngan, MD
NPI 1316054174 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Ngan, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1316054174).
Provider details
- NPI number
- 1316054174
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G36843 (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
297 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 | 105 | $98 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 51 | $85 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 47 | $17 |
| Advance Care Planning, First 30 Minutes99497 | 17 | $87 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $141 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 593 | 151 |
| Atorvastatin Calcium | 475 | 132 |
| Amlodipine Besylate | 360 | 94 |
| Metformin Hcl | 224 | 60 |
| Hydrochlorothiazide | 174 | 43 |
| Levothyroxine Sodium | 144 | 41 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$309 across 12 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
- 2006-08-25
- Last updated
- 2011-12-14
Frequently asked questions
- What is George Ngan's NPI number?
- George Ngan's National Provider Identifier (NPI) is 1316054174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Ngan's specialty?
- George Ngan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George Ngan located?
- George Ngan's practice location on file with NPPES is 201 S Alvarado St, Los Angeles, CA 90057-2390.
- What is George Ngan's phone number?
- The practice phone number listed in the NPPES registry for George Ngan is (213) 989-6959.
- Does George Ngan accept Medicare?
- George Ngan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Ngan's NPI active?
- Yes — George Ngan's NPI (1316054174) is active in the NPPES registry as of the last update on 2011-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.