Elma Williamson, FNP
NPI 1578381703 · Family Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elma Williamson, FNP is a Family Nurse Practitioner provider in Phoenix, AZ (NPI 1578381703).
Provider details
- NPI number
- 1578381703
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 223202 (AZ)
Specialties & taxonomies
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
1 yr 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
- 2024-09-27
- Last updated
- 2024-09-27
- Certified
- 2024-09-26
Frequently asked questions
- What is Elma Williamson's NPI number?
- Elma Williamson's National Provider Identifier (NPI) is 1578381703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elma Williamson's specialty?
- Elma Williamson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elma Williamson located?
- Elma Williamson's practice location on file with NPPES is 1510 E Flower St, Phoenix, AZ 85014-5656.
- What is Elma Williamson's phone number?
- The practice phone number listed in the NPPES registry for Elma Williamson is (602) 954-0444.
- Does Elma Williamson accept Medicare?
- Elma Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elma Williamson's NPI active?
- Yes — Elma Williamson's NPI (1578381703) is active in the NPPES registry as of the last update on 2024-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.