Leigh Gressley, MSN/FNP-BC
NPI 1063665875 · Family Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leigh Gressley, MSN/FNP-BC is a Family Nurse Practitioner provider in Phoenix, AZ (NPI 1063665875).
Provider details
- NPI number
- 1063665875
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN/FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP3191 (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 tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,229 across 76 records (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
Registry dates
- Enumerated
- 2008-10-24
- Last updated
- 2016-03-24
Frequently asked questions
- What is Leigh Gressley's NPI number?
- Leigh Gressley's National Provider Identifier (NPI) is 1063665875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leigh Gressley's specialty?
- Leigh Gressley is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leigh Gressley located?
- Leigh Gressley's practice location on file with NPPES is 4530 E Muirwood Dr, Phoenix, AZ 85048-7693.
- What is Leigh Gressley's phone number?
- The practice phone number listed in the NPPES registry for Leigh Gressley is (480) 961-2365.
- Does Leigh Gressley accept Medicare?
- Leigh Gressley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leigh Gressley's NPI active?
- Yes — Leigh Gressley's NPI (1063665875) is active in the NPPES registry as of the last update on 2016-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.