Khoi Nguyen, MD
NPI 1720136526 · Internal Medicine Physician · Harbor City, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khoi Nguyen, MD is a Internal Medicine Physician provider in Harbor City, CA (NPI 1720136526).
Provider details
- NPI number
- 1720136526
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G79727 (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
74 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $81 |
| Initial Hospital Care With Same-Day Admission and Discharge With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99234 | 14 | $100 |
Typical Medicare-allowed amounts for these services range $81–$100 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 36 | 28 |
| Apixabanbrand: Eliquis | 31 | — |
| Prednisone | 26 | 25 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 19 | — |
| Lisinopril | 18 | — |
| Rosuvastatin Calcium | 18 | 11 |
| Bisoprolol Fumarate | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-12-03
Frequently asked questions
- What is Khoi Nguyen's NPI number?
- Khoi Nguyen's National Provider Identifier (NPI) is 1720136526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khoi Nguyen's specialty?
- Khoi Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Khoi Nguyen located?
- Khoi Nguyen's practice location on file with NPPES is 25825 Vermont Ave, Harbor City, CA 90710-3518.
- What is Khoi Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Khoi Nguyen is (310) 325-5111.
- Does Khoi Nguyen accept Medicare?
- Khoi Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khoi Nguyen's NPI active?
- Yes — Khoi Nguyen's NPI (1720136526) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.