Ryan Agena, MD
NPI 1891877395 · Family Medicine Physician · Chino Hills, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Agena, MD is a Family Medicine Physician provider in Chino Hills, CA (NPI 1891877395).
Provider details
- NPI number
- 1891877395
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20A9676 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
631 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 293 | $130 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 254 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $90 |
| Administration of Influenza Virus VaccineG0008 | 29 | $33 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $173 |
Typical Medicare-allowed amounts for these services range $17–$173 (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 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 400 | 115 |
| Amlodipine Besylate | 342 | 103 |
| Rosuvastatin Calcium | 270 | 83 |
| Metformin Hcl | 205 | 65 |
| Losartan Potassium | 199 | 69 |
| Enalapril Maleate | 191 | 51 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Ryan Agena's NPI number?
- Ryan Agena's National Provider Identifier (NPI) is 1891877395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Agena's specialty?
- Ryan Agena is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Agena located?
- Ryan Agena's practice location on file with NPPES is 3110 Chino Ave Ste 150a, Chino Hills, CA 91709-1295.
- What is Ryan Agena's phone number?
- The practice phone number listed in the NPPES registry for Ryan Agena is (909) 630-7490.
- Does Ryan Agena accept Medicare?
- Ryan Agena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Agena's NPI active?
- Yes — Ryan Agena's NPI (1891877395) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.