Isaac Alonso, DO
NPI 1790589950 · Internal Medicine Physician · Des Moines, IA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Alonso, DO is a Internal Medicine Physician provider in Des Moines, IA (NPI 1790589950).
Provider details
- NPI number
- 1790589950
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-04
- Last updated
- 2025-06-04
- Certified
- 2025-06-04
Frequently asked questions
- What is Isaac Alonso's NPI number?
- Isaac Alonso's National Provider Identifier (NPI) is 1790589950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Alonso's specialty?
- Isaac Alonso is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Alonso located?
- Isaac Alonso's practice location on file with NPPES is 1111 6th Ave, Des Moines, IA 50314-2613.
- What is Isaac Alonso's phone number?
- The practice phone number listed in the NPPES registry for Isaac Alonso is (515) 643-2261.
- Does Isaac Alonso accept Medicare?
- Isaac Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Alonso's NPI active?
- Yes — Isaac Alonso's NPI (1790589950) is active in the NPPES registry as of the last update on 2025-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.