Alfredo Ruiz
NPI 1679289839 · Critical Care Medicine Registered Nurse · Tucson, AZ
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfredo Ruiz is a Critical Care Medicine Registered Nurse provider in Tucson, AZ (NPI 1679289839).
Provider details
- NPI number
- 1679289839
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 218233 (AZ)
Specialties & taxonomies
Nursing Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-01-30
- Last updated
- 2025-12-17
- Certified
- 2025-12-17
Frequently asked questions
- What is Alfredo Ruiz's NPI number?
- Alfredo Ruiz's National Provider Identifier (NPI) is 1679289839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfredo Ruiz's specialty?
- Alfredo Ruiz is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Alfredo Ruiz located?
- Alfredo Ruiz's practice location on file with NPPES is 5663 W King Snake Dr, Tucson, AZ 85742-8335.
- What is Alfredo Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Alfredo Ruiz is (928) 247-5795.
- Does Alfredo Ruiz accept Medicare?
- Alfredo Ruiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfredo Ruiz's NPI active?
- Yes — Alfredo Ruiz's NPI (1679289839) is active in the NPPES registry as of the last update on 2025-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.