NPPES file of Aug 9, 2026

Amy Direnfeld, RN

Registered Nurse · Tucson, AZ

Amy Direnfeld, RN is a registered nurse with a practice address in Tucson, Arizona, and NPI 1437523164, issued on Nov 18, 2015. Check the license (Arizona RN045307, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437523164
Name
Amy Direnfeld
Credential
RN
Primary taxonomy
Registered Nurse 163W00000X
License number
RN045307 AZ
Self-reported in NPPES; status is on the state search
Practice location
1224 E Lowell St, Tucson, AZ 85721
Phone
(520) 621-2292
Enumerated
Nov 18, 2015
Record last updated
Nov 18, 2015 (not updated in 11 years: call before relying on the address or phone)
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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8 nearest registered nurse records → All 3,124 in Arizona → Look up another NPI →

Also registered at 1224 E Lowell St

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

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  2. Mary Belknap, LPCProfessional Counselor1073028635
  3. Kim Birmingham, RPHPharmacist1679985667
  4. Susan Black, RN, NP, CNMObstetrics & Gynecology Nurse Practitioner1144351800
  5. Amy BlackburnCollege Health Registered Nurse1295692499
  6. Jesssica Byron, M.D.Obstetrics & Gynecology Physician1194889139

Verify Amy Direnfeld 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 RN045307    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.

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Amy Direnfeld among 3,124 registered nurse records in Arizona

Amy Direnfeld, RN is one of 3,124 registered nurse records with a practice address in Arizona. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 43% of them.

  • NPI issued2015 · 43% of these records are older, 50% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2015 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

432 registered nurse records list a practice address in Tucson

They are 432 of the 18,788 NPPES records with a practice address in Tucson, and 3,124 registered nurse records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,124 in Arizona → Every provider in Tucson → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Krista BrandonTucson, AZ 857211801408125
  2. Hunter BrownTucson, AZ 857211750993366
  3. Sara ClementsTucson, AZ 857211639781974
  4. Frances Drake, REGISTERED NURSETucson, AZ 857211134591050
  5. Tara Harper, RNTucson, AZ 857211891167722
  6. Rose JacobTucson, AZ 857211881069599
  7. Cecilia Martinez, RNTucson, AZ 857211316311095
  8. Sharidan Overland, R.N.Tucson, AZ 857211811369705

Common questions

What is Amy Direnfeld, RN's NPI number?

Amy Direnfeld, RN's National Provider Identifier (NPI) is 1437523164, issued on Nov 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Amy Direnfeld, RN located?

The NPPES record lists a practice address at 1224 E Lowell St, Tucson, AZ, 85721. Phone: (520) 621-2292. Providers update this record themselves, so call before visiting.

How can I verify Amy Direnfeld, RN's license?

NPPES lists Arizona license number RN045307, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.