Kristen Nguyen, D.O.
NPI 1043585870 · Family Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Nguyen, D.O. is a Family Medicine Physician provider in Riverside, CA (NPI 1043585870).
Provider details
- NPI number
- 1043585870
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A12696 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 201 | 72 |
| Lisinopril | 115 | 37 |
| Amlodipine Besylate | 111 | 45 |
| Levothyroxine Sodium | 85 | 27 |
| Losartan Potassium | 84 | 33 |
| Rosuvastatin Calcium | 83 | 30 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-12
- Last updated
- 2021-10-18
- Certified
- 2021-10-18
Frequently asked questions
- What is Kristen Nguyen's NPI number?
- Kristen Nguyen's National Provider Identifier (NPI) is 1043585870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Nguyen's specialty?
- Kristen Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Nguyen located?
- Kristen Nguyen's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Kristen Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Kristen Nguyen is (951) 353-3396.
- Does Kristen Nguyen accept Medicare?
- Kristen Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Nguyen's NPI active?
- Yes — Kristen Nguyen's NPI (1043585870) is active in the NPPES registry as of the last update on 2021-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.