Registry data as of Aug 27, 2026

Joanne Greifer, RN

School Registered Nurse · Maricopa, AZ

Joanne Greifer, RN is a school registered nurse with a practice address in Maricopa, Arizona, and NPI 1568173979, issued on Dec 6, 2022. Check the license (Arizona RN088630, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1568173979
Name
Joanne Greifer
Credential
RN
Primary taxonomy
School Registered Nurse 163WS0200X
License number
RN088630 AZ
Self-reported in NPPES; status is on the state search
Practice location
45012 W Honeycutt Ave, Maricopa, AZ 85139
Phone
(520) 568-4006
Enumerated
Dec 6, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 45012 W Honeycutt Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chambray Boone, RNRegistered Nurse1003532250
  2. Lois Caballero, CCC-SLPSpeech-Language Pathologist1558575308
  3. Myesha Calhoun, LPNLicensed Practical Nurse1942454822
  4. Presila GentleSchool Registered Nurse1548146913
  5. Sara George, MA CCC-SLPSpeech-Language Pathologist1154534188
  6. Angela HackerOccupational Therapist1730329095

Verify Joanne Greifer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license RN088630
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

21 school registered nurse records list a Maricopa practice address

They are 21 of the 437 NPPES records with a Maricopa practice address, and 1,531 school registered nurse records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other school registered nurse records in Arizona

  1. Adrienne AbajianPhoenix, AZ1477288959
  2. Kim Abbs, RNPhoenix, AZ1679882989
  3. Christina Acosta, RNLitchfield Park, AZ1255288338
  4. Ann Adams, RNTucson, AZ1023152956
  5. Crystal AdamsGlendale, AZ1801103932
  6. Tracy Adams, R.N.Phoenix, AZ1174654529
  7. Brigitte Adamsen, RNTempe, AZ1083259246
  8. Cheryl AgostoMesa, AZ1356711279
  9. Patti Aguilera, RNTucson, AZ1114502903
  10. Erum AhmadiTucson, AZ1447988688

Common questions

What is Joanne Greifer, RN's NPI number?

Joanne Greifer, RN's National Provider Identifier (NPI) is 1568173979, issued on Dec 6, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Greifer, RN located?

The NPPES record lists a practice address at 45012 W Honeycutt Ave, Maricopa, AZ, 85139. Phone: (520) 568-4006. Providers update this record themselves, so call before visiting.

How can I verify Joanne Greifer, RN's license?

NPPES lists Arizona license number RN088630, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.