Duy Phan, DO
NPI 1184243123 · Hospitalist Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duy Phan, DO is a Hospitalist Physician provider in Riverside, CA (NPI 1184243123).
Provider details
- NPI number
- 1184243123
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A20750 (CA)
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 tenure38% of score
6 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 30 | 30 |
| Prednisone | 29 | 25 |
| Atorvastatin Calcium | 27 | 14 |
| Furosemide | 24 | 19 |
| Ciprofloxacin Hcl | 23 | 23 |
| Azithromycin | 22 | 22 |
| Carvedilol | 18 | — |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2024-03-08
- Certified
- 2024-03-08
Frequently asked questions
- What is Duy Phan's NPI number?
- Duy Phan's National Provider Identifier (NPI) is 1184243123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duy Phan's specialty?
- Duy Phan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Duy Phan located?
- Duy Phan's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Duy Phan's phone number?
- The practice phone number listed in the NPPES registry for Duy Phan is (833) 574-2273.
- Does Duy Phan accept Medicare?
- Duy Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duy Phan's NPI active?
- Yes — Duy Phan's NPI (1184243123) is active in the NPPES registry as of the last update on 2024-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.