Jacquelyn Nguyen, M.D.
NPI 1982855417 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacquelyn Nguyen, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1982855417).
Provider details
- NPI number
- 1982855417
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A102714 (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
17 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
73 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 | 58 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $131 |
Typical Medicare-allowed amounts for these services range $79–$131 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 122 | 47 |
| Losartan Potassium | 120 | 52 |
| Lisinopril | 108 | 43 |
| Potassium Chloride | 66 | 31 |
| Amlodipine Besylate | 60 | 28 |
| Sevelamer Carbonate | 53 | 22 |
| Calcitriol | 51 | 19 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-02
- Last updated
- 2021-12-02
- Certified
- 2021-12-02
Frequently asked questions
- What is Jacquelyn Nguyen's NPI number?
- Jacquelyn Nguyen's National Provider Identifier (NPI) is 1982855417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacquelyn Nguyen's specialty?
- Jacquelyn Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacquelyn Nguyen located?
- Jacquelyn Nguyen's practice location on file with NPPES is 2901 S Sepulveda Blvd Apt 159, Los Angeles, CA 90064-3941.
- What is Jacquelyn Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Jacquelyn Nguyen is (714) 307-5029.
- Does Jacquelyn Nguyen accept Medicare?
- Jacquelyn Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacquelyn Nguyen's NPI active?
- Yes — Jacquelyn Nguyen's NPI (1982855417) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.