Liem Ngo, M.D.
NPI 1891950457 · Family Medicine Physician · Duluth, GA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liem Ngo, M.D. is a Family Medicine Physician provider in Duluth, GA (NPI 1891950457).
Provider details
- NPI number
- 1891950457
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 46219 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
1,535 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 512 | $62 |
| Automated Urinalysis Test81003 | 258 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 215 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 123 | $90 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 93 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 92 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 697 | 251 |
| Amlodipine Besylate | 526 | 186 |
| Fluticasone Propionate | 385 | 198 |
| Lisinopril | 279 | 110 |
| Losartan Potassium | 272 | 93 |
| Levocetirizine Dihydrochloride | 270 | 156 |
| Azelastine Hcl | 256 | 95 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$367 across 19 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
- 2008-07-23
- Last updated
- 2016-03-01
Frequently asked questions
- What is Liem Ngo's NPI number?
- Liem Ngo's National Provider Identifier (NPI) is 1891950457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liem Ngo's specialty?
- Liem Ngo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Liem Ngo located?
- Liem Ngo's practice location on file with NPPES is 4470 Satellite Blvd, Duluth, GA 30096-8851.
- What is Liem Ngo's phone number?
- The practice phone number listed in the NPPES registry for Liem Ngo is (770) 858-5983.
- Does Liem Ngo accept Medicare?
- Liem Ngo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liem Ngo's NPI active?
- Yes — Liem Ngo's NPI (1891950457) is active in the NPPES registry as of the last update on 2016-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.