NPPES file of Aug 9, 2026

Joanne Chambos, FNP

Nurse Practitioner · Phoenix, AZ

Joanne Chambos, FNP is a nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1861263394, issued on Jan 12, 2024. Check the license (Arizona 300155, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861263394
Name
Joanne Chambos
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
300155 AZ
Self-reported in NPPES; status is on the state search
Practice location
11047 N 19TH Ave, Phoenix, AZ 85029
Phone
(602) 589-0500
Enumerated
Jan 12, 2024
Record last updated
Mar 10, 2025
Fax
(602) 314-4552
Medicare enrollment
Enrolled (PECOS I20240227003175); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 11047 N 19TH Ave

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

  1. Yvette DeckerFamily Nurse Practitioner1992387054
  2. John Keck, N.P.Psychiatric/Mental Health Nurse Practitioner1215047766
  3. Michael Loes, M.D.Addiction Medicine (Internal Medicine) Physician1033247630
  4. Julie Overbey, MS-FNPFamily Nurse Practitioner1730496282
  5. Betsy Whitesel, A.N.P.Adult Health Nurse Practitioner1861644999

Verify Joanne Chambos 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 300155
    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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58% fewer Medicare Part D claims than the average nurse practitioner in 2024

471 Medicare Part D claims for 337 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Joanne Chambos471
  2. Specialty average1,109

Most prescribed

  1. Albuterol Sulfate Hfa68 claims
  2. Nitrofurantoin Mono-Macro60 claims
  3. Doxycycline Hyclate32 claims
  4. Promethazine Hcl30 claims
  5. Amoxicillin-Clavulanate Potass29 claims
  6. Methylprednisolone29 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.

Bills Medicare through 2 group practices

  1. Banner Urgent Care Services LLCScottsdale, AZ
  2. Sun Pain Management PLLCPhoenix, AZ

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

Joanne Chambos among 1,423 nurse practitioner records in Arizona

Joanne Chambos, FNP is one of 1,423 nurse practitioner records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 86% of them.

  • NPI issued2024 · 86% of these records are older, 8% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2022 · median 2019 among the 805 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Arizona

There are 1,423 nurse practitioner records in Arizona.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Diane Bajus, MS, CNP, CNM, PHDPhoenix, AZ 850291457473472
  2. Letisha Driskell, FNP-BCPhoenix, AZ 850291073499307
  3. Chantel Therese Jimenez, NPPhoenix, AZ 850291982200804
  4. Bryan Lankford, APRNPhoenix, AZ 850291043802606
  5. Nadia LawsethPhoenix, AZ 850291336685171
  6. Megan Alligood, NPPhoenix, AZ 850281225534670
  7. Elizabeth Bryant, NPPhoenix, AZ 850281194445858
  8. Rachel Carpenter, NPPhoenix, AZ 850281326327628

Common questions

What is Joanne Chambos, FNP's NPI number?

Joanne Chambos, FNP's National Provider Identifier (NPI) is 1861263394, issued on Jan 12, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Chambos, FNP located?

The NPPES record lists a practice address at 11047 N 19TH Ave, Phoenix, AZ, 85029. Phone: (602) 589-0500. Providers update this record themselves, so call before visiting.

How can I verify Joanne Chambos, FNP's license?

NPPES lists Arizona license number 300155, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Joanne Chambos, FNP prescribe under Medicare Part D?

In 2024, Joanne Chambos, FNP had 471 Medicare Part D claims for 337 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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. 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.