William Michalides, FNP
NPI 1265054688 · Family Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Michalides, FNP is a Family Nurse Practitioner provider in Tucson, AZ (NPI 1265054688).
Provider details
- NPI number
- 1265054688
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 240949 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-07
- Last updated
- 2025-03-04
- Certified
- 2025-03-04
Frequently asked questions
- What is William Michalides's NPI number?
- William Michalides's National Provider Identifier (NPI) is 1265054688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Michalides's specialty?
- William Michalides is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Michalides located?
- William Michalides's practice location on file with NPPES is 8050 E Lakeside Pkwy, Tucson, AZ 85730-1254.
- What is William Michalides's phone number?
- The practice phone number listed in the NPPES registry for William Michalides is (520) 584-5820.
- Does William Michalides accept Medicare?
- William Michalides is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Michalides's NPI active?
- Yes — William Michalides's NPI (1265054688) is active in the NPPES registry as of the last update on 2025-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.