Linhkieu Nguyen
NPI 1912009929 · Family Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linhkieu Nguyen is a Family Medicine Physician provider in San Diego, CA (NPI 1912009929).
Provider details
- NPI number
- 1912009929
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- A83886 (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
134 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $137 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 31 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $172 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 23 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $98 |
Typical Medicare-allowed amounts for these services range $9–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 442 | 113 |
| Fluticasone Propionate | 345 | 134 |
| Alendronate Sodium | 315 | 78 |
| Rosuvastatin Calcium | 284 | 74 |
| Amlodipine Besylate | 267 | 69 |
| Ipratropium Bromide | 224 | 89 |
| Metformin Hcl | 221 | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$208 across 5 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
- 2006-09-01
- Last updated
- 2011-06-16
Frequently asked questions
- What is Linhkieu Nguyen's NPI number?
- Linhkieu Nguyen's National Provider Identifier (NPI) is 1912009929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linhkieu Nguyen's specialty?
- Linhkieu Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Linhkieu Nguyen located?
- Linhkieu Nguyen's practice location on file with NPPES is 3575 Euclid Avenue, San Diego, CA 92105.
- What is Linhkieu Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Linhkieu Nguyen is (619) 284-1400.
- Does Linhkieu Nguyen accept Medicare?
- Linhkieu Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linhkieu Nguyen's NPI active?
- Yes — Linhkieu Nguyen's NPI (1912009929) is active in the NPPES registry as of the last update on 2011-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.