Ryan Chen, MD
NPI 1770112294 · Family Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Chen, MD is a Family Medicine Physician provider in Irvine, CA (NPI 1770112294).
Provider details
- NPI number
- 1770112294
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1770112294 (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
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 71 | 71 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 24 |
| Prednisone | 28 | 28 |
| Ofloxacin | 27 | 27 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 26 | 26 |
| Cefadroxil | 25 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-06
- Last updated
- 2023-10-27
- Certified
- 2023-06-30
Frequently asked questions
- What is Ryan Chen's NPI number?
- Ryan Chen's National Provider Identifier (NPI) is 1770112294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Chen's specialty?
- Ryan Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Chen located?
- Ryan Chen's practice location on file with NPPES is 1190 Roosevelt # 100, Irvine, CA 92620-4111.
- What is Ryan Chen's phone number?
- The practice phone number listed in the NPPES registry for Ryan Chen is (626) 376-4487.
- Does Ryan Chen accept Medicare?
- Ryan Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Chen's NPI active?
- Yes — Ryan Chen's NPI (1770112294) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.