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Joanne Greifer, RN
NPI 1568173979 · School Registered Nurse · Maricopa, AZ
Joanne Greifer, RN is a School Registered Nurse provider in Maricopa, AZ (NPI 1568173979).
Provider details
- NPI number
- 1568173979
- Entity type
- Individual
- Primary specialty
- School Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN088630 (AZ)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(59/100 index)
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
45012 W Honeycutt Ave
Maricopa, AZ 85139-2842
Phone: (520) 568-4006
Street-level locationGet directions
Mailing address
41664 W Avella Dr
Maricopa, AZ 85138-3297
Registry dates
- Enumerated
- 2022-12-06
- Last updated
- 2022-12-06
- Certified
- 2022-12-06
Frequently asked questions
- What is Joanne Greifer's NPI number?
- Joanne Greifer's National Provider Identifier (NPI) is 1568173979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Greifer's specialty?
- Joanne Greifer is listed in the NPPES registry with a primary specialty of School Registered Nurse (Nursing Service Providers).
- Where is Joanne Greifer located?
- Joanne Greifer's practice location on file with NPPES is 45012 W Honeycutt Ave, Maricopa, AZ 85139-2842.
- What is Joanne Greifer's phone number?
- The practice phone number listed in the NPPES registry for Joanne Greifer is (520) 568-4006.
- Is Joanne Greifer's NPI active?
- Yes — Joanne Greifer's NPI (1568173979) is active in the NPPES registry as of the last update on 2022-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.