NPPES file of Aug 9, 2026

Stacey E. Klein, APRN-NP

Acute Care Nurse Practitioner · Phoenix, AZ

Stacey E. Klein, APRN-NP is an acute care nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1184995581, issued on Jan 18, 2012. Check the license (Arizona AP10835, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184995581
Name
Stacey E. Klein
Credential
APRN-NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
AP10835 AZ
Self-reported in NPPES; status is on the state search
Practice location
2601 E Roosevelt St, Phoenix, AZ 85008
Phone
(602) 344-5011
Enumerated
Jan 18, 2012
Record last updated
Sep 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(602) 344-0930
Medicaid IDs
470376604-32 NE
1184995581 IA
Medicare enrollment
Enrolled (PECOS I20180305001973); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2601 E Roosevelt St

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

  1. Amjed Abdel Al, MDStudent in an Organized Health Care Education/Training Program1043151400
  2. Shelley Abdel-Sayed, M.D.Anesthesiology Physician1609079490
  3. Baha Abdelrahim, DOStudent in an Organized Health Care Education/Training Program1205531795
  4. Yasir Abdulqader, MDHospitalist Physician1184955395
  5. Iman Aboalam, PHARMDPharmacist1477422384
  6. Norberto Adame, MDEmergency Medicine Physician1144276213

Verify Stacey E. Klein 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 AP10835
    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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59% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

245 Medicare Part D claims for 81 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Stacey Klein245
  2. Specialty average594

Most prescribed

  1. Albuterol Sulfate Hfa16 claims
  2. Prednisone16 claims
  3. Amlodipine Besylate15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 93.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score94.6
  2. Costout of 100 · 30%62.1
  3. Promoting interoperabilityout of 100 · 25%96.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $44.17

2 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stacey Klein$44.17
  2. Specialty average$647.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. District Medical Group IncPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stacey E. Klein among 645 acute care nurse practitioner records in Arizona

Stacey E. Klein, APRN-NP is one of 645 acute care nurse practitioner records with a practice address in Arizona. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 13% of them.

  • NPI issued2012 · 13% of these records are older, 85% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2011 · median 2018 among the 465 with a school on file
  • Record last updated2019 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Arizona

There are 645 acute care nurse practitioner records in Arizona.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Andrea Brock, ANPPhoenix, AZ 850081073945119
  2. Esther Ndegwa-Wanje, NURSE PRACTITIONERPhoenix, AZ 850081124442157
  3. Louis Witte, AGACNP-BCPhoenix, AZ 850081710695234
  4. Nicholas Madison, FNPPhoenix, AZ 850071386839850
  5. Michael Berg, AGACNP-BCPhoenix, AZ 850061598399677
  6. Joseph Burkett, AGACNPPhoenix, AZ 850061174336440
  7. Spencer Busler, MSN, APRN, AGACNP-BCPhoenix, AZ 850061861244261
  8. Courtney Dechesaro, DNP, FNP-CPhoenix, AZ 850061770288276

Common questions

What is Stacey E. Klein, APRN-NP's NPI number?

Stacey E. Klein, APRN-NP's National Provider Identifier (NPI) is 1184995581, issued on Jan 18, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Stacey E. Klein, APRN-NP located?

The NPPES record lists a practice address at 2601 E Roosevelt St, Phoenix, AZ, 85008. Phone: (602) 344-5011. Providers update this record themselves, so call before visiting.

How can I verify Stacey E. Klein, APRN-NP's license?

NPPES lists Arizona license number AP10835, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Stacey E. Klein, APRN-NP prescribe under Medicare Part D?

In 2024, Stacey E. Klein, APRN-NP had 245 Medicare Part D claims for 81 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

What is Stacey E. Klein, APRN-NP's MIPS final score?

The 2023 MIPS final score is 93.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.