Frank Chen, MD
NPI 1477601458 · Family Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Chen, MD is a Family Medicine Physician provider in Riverside, CA (NPI 1477601458).
Provider details
- NPI number
- 1477601458
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A66991 (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
19 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 · 141 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 622 | 219 |
| Levothyroxine Sodium | 598 | 193 |
| Losartan Potassium | 520 | 184 |
| Amlodipine Besylate | 454 | 171 |
| Budesonide/Formoterol Fumaratebrand: Breyna | 343 | 139 |
| Atenolol | 281 | 99 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-12-09
Frequently asked questions
- What is Frank Chen's NPI number?
- Frank Chen's National Provider Identifier (NPI) is 1477601458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Chen's specialty?
- Frank Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Chen located?
- Frank Chen's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Frank Chen's phone number?
- The practice phone number listed in the NPPES registry for Frank Chen is (909) 353-2000.
- Does Frank Chen accept Medicare?
- Frank Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Chen's NPI active?
- Yes — Frank Chen's NPI (1477601458) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.