Mary Piercy, CFNP
NPI 1578542270 · Family Nurse Practitioner · Winslow, AZ
Mary Piercy, CFNP is a Family Nurse Practitioner provider in Winslow, AZ (NPI 1578542270).
Provider details
- NPI number
- 1578542270
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CFNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209.002075 (IL)
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
20 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
- 2006-01-11
- Last updated
- 2011-06-05
Frequently asked questions
- What is Mary Piercy's NPI number?
- Mary Piercy's National Provider Identifier (NPI) is 1578542270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Piercy's specialty?
- Mary Piercy is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Piercy located?
- Mary Piercy's practice location on file with NPPES is 500 Indiana Ave, Winslow, AZ 86047-2169.
- What is Mary Piercy's phone number?
- The practice phone number listed in the NPPES registry for Mary Piercy is (928) 289-4646.
- Is Mary Piercy's NPI active?
- Yes — Mary Piercy's NPI (1578542270) is active in the NPPES registry as of the last update on 2011-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.