NPPES file of Aug 9, 2026

Kelsey Lynn De Villiers, FNP - C

Family Nurse Practitioner · Phoenix, AZ

Kelsey Lynn De Villiers, FNP - C is a family nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1669222865, issued on Mar 22, 2024. Check the license (Arizona 305140, 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
1669222865
Name
Kelsey Lynn De Villiers
Credential
FNP - C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
305140 AZ
Self-reported in NPPES; status is on the state search
Practice location
3540 E Baseline RD, Phoenix, AZ 85042
Phone
(623) 267-5200
Enumerated
Mar 22, 2024
Record last updated
Mar 26, 2024
Medicare enrollment
Enrolled (PECOS I20240617004102); 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 3540 E Baseline RD

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

  1. Delana Brown, FNP-CFamily Nurse Practitioner1356731418
  2. Harris Khakwani, MDFamily Medicine Physician1134322498
  3. Zuleikha Vellani, M.D.Family Medicine Physician1376897314

Verify Kelsey Lynn De Villiers 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 305140
    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

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89% fewer Medicare Part D claims than the average family nurse practitioner in 2024

143 Medicare Part D claims for 42 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Kelsey De Villiers143
  2. Specialty average1,305

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.

Industry payments in 2024: $18.51

1 payment: food and beverage; the largest payer was Amgen Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kelsey De Villiers$18.51
  2. Specialty average$650.95

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. Khakwani And Mohammad Medical PCPhoenix, AZ

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

Kelsey Lynn De Villiers among 5,933 family nurse practitioner records in Arizona

Kelsey Lynn De Villiers, FNP - C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% 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 · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2024 · median 2019 among the 3,510 with a school on file
  • Record last updated2024 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,242 family nurse practitioner records list a practice address in Phoenix

They are 1,242 of the 31,399 NPPES records with a practice address in Phoenix, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Christine Armenta, FNP-BCPhoenix, AZ 850421972752509
  2. Delana Brown, FNP-CPhoenix, AZ 850421356731418
  3. Lawanda Dupree, DNP, FNP-CPhoenix, AZ 850421760874168
  4. Delana Gardner, FNP-CPhoenix, AZ 850421497181705
  5. Lauren LambertPhoenix, AZ 850421710393699
  6. Jacqueline Mager, NPPhoenix, AZ 850421487615803
  7. Marti Manko, FNP-CPhoenix, AZ 850421497259725
  8. Kimberly Owens-Smith, FNP-C, PMHNP-BC,Phoenix, AZ 850421568795482

Common questions

What is Kelsey Lynn De Villiers, FNP - C's NPI number?

Kelsey Lynn De Villiers, FNP - C's National Provider Identifier (NPI) is 1669222865, issued on Mar 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Kelsey Lynn De Villiers, FNP - C located?

The NPPES record lists a practice address at 3540 E Baseline RD, Phoenix, AZ, 85042. Phone: (623) 267-5200. Providers update this record themselves, so call before visiting.

How can I verify Kelsey Lynn De Villiers, FNP - C's license?

NPPES lists Arizona license number 305140, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Kelsey Lynn De Villiers, FNP - C prescribe under Medicare Part D?

In 2024, Kelsey Lynn De Villiers, FNP - C had 143 Medicare Part D claims for 42 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.