NPPES file of Aug 9, 2026

Kelli Marie Castro, APRN, AGACNP-BC

Nurse Practitioner · Arlington Heights, IL

Kelli Marie Castro, APRN, AGACNP-BC is a nurse practitioner with a practice address in Arlington Heights, Illinois, and NPI 1609407329, issued on Jan 31, 2020. Check the license (Illinois 209020949, as entered in NPPES) with the Illinois 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
1609407329
Name
Kelli Marie Castro
Credential
APRN, AGACNP-BC
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
209020949 IL
AP144847 TX
Self-reported in NPPES; status is on the state search
Practice location
800 W Central RD, Arlington Heights, IL 60005
Phone
(847) 618-7301
Enumerated
Jan 31, 2020
Record last updated
May 15, 2026
Fax
(847) 618-7319
Medicare enrollment
Enrolled (PECOS I20210814000469); 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 800 W Central RD

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

  1. Fiaz Ahmed, MDAnesthesiology Physician1407924251
  2. Syed Ahmed, MDAnesthesiology Physician1124187257
  3. Catherine Ahn, MDAnesthesiology Physician1245308022
  4. Juli AistarsOncology Clinical Nurse Specialist1861883209
  5. A Akbar, M.D.Anesthesiology Physician1144203282
  6. Ayham Alagha, M.D.Hospitalist Physician1851779151

Verify Kelli Marie Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209020949
    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 Illinois 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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98% fewer Medicare Part D claims than the average nurse practitioner in 2024

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

  1. Kelli Castro25
  2. Specialty average1,109

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. Critical Care Physicians OF Illinois LLCArlington Heights, IL
  2. Rush University Medical GroupChicago, IL

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

Kelli Marie Castro among 4,892 nurse practitioner records in Illinois

Kelli Marie Castro, APRN, AGACNP-BC is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 61% of them.

  • NPI issued2020 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2019 · median 2018 among the 3,389 with a school on file
  • Record last updated2026 · 36% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

78 nurse practitioner records list a practice address in Arlington Heights

They are 78 of the 2,697 NPPES records with a practice address in Arlington Heights, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Megan Dorsey, APN-CNPArlington Heights, IL 600051508132044
  2. Melinda Hare, ANPArlington Heights, IL 600051528174588
  3. Kimberley Hart, NPArlington Heights, IL 600051629065099
  4. Laura Kobza, RN, APN-BC-CWOCNArlington Heights, IL 600051770507386
  5. Phyllis Lauer, APNArlington Heights, IL 600051699812149
  6. Patrice Murray, DNPArlington Heights, IL 600051649391186
  7. Nataliya Omelchenko, APN-CNPArlington Heights, IL 600051558548099
  8. Deyan Ortwig, APN-CNPArlington Heights, IL 600051104859818

Common questions

What is Kelli Marie Castro, APRN, AGACNP-BC's NPI number?

Kelli Marie Castro, APRN, AGACNP-BC's National Provider Identifier (NPI) is 1609407329, issued on Jan 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Kelli Marie Castro, APRN, AGACNP-BC located?

The NPPES record lists a practice address at 800 W Central RD, Arlington Heights, IL, 60005. Phone: (847) 618-7301. Providers update this record themselves, so call before visiting.

How can I verify Kelli Marie Castro, APRN, AGACNP-BC's license?

NPPES lists Illinois license number 209020949, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Kelli Marie Castro, APRN, AGACNP-BC prescribe under Medicare Part D?

In 2024, Kelli Marie Castro, APRN, AGACNP-BC had 25 Medicare Part D claims; 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.