Ryan Alonzo
NPI 1184253445 · Internal Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Alonzo is a Internal Medicine Physician provider in Denver, CO (NPI 1184253445).
Provider details
- NPI number
- 1184253445
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0070181 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 67 | 29 |
| Atorvastatin Calcium | 66 | 31 |
| Tramadol Hcl | 53 | 15 |
| Gabapentin | 52 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 47 | 12 |
| Oxycodone Hcl | 47 | 14 |
| Potassium Chloride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 13001 East 17th PlaceAurora, CO 80045Phone: (303) 724-1784
Registry dates
- Enumerated
- 2020-04-07
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Ryan Alonzo's NPI number?
- Ryan Alonzo's National Provider Identifier (NPI) is 1184253445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Alonzo's specialty?
- Ryan Alonzo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Alonzo located?
- Ryan Alonzo's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4597.
- What is Ryan Alonzo's phone number?
- The practice phone number listed in the NPPES registry for Ryan Alonzo is (303) 436-4949.
- Does Ryan Alonzo accept Medicare?
- Ryan Alonzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Alonzo's NPI active?
- Yes — Ryan Alonzo's NPI (1184253445) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.