NPPES file of Aug 9, 2026

Carlene Del Castillo

Family Nurse Practitioner · Chicago, IL

Carlene Del Castillo is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1699535971, issued on Mar 21, 2024. Check the license (Illinois 209.028211, 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
1699535971
Name
Carlene Del Castillo
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209.028211 IL
Self-reported in NPPES; status is on the state search
Practice location
2003 W Fulton St FL 3, Chicago, IL 60612
Phone
(312) 243-2223
Enumerated
Mar 21, 2024
Record last updated
Mar 21, 2024
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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Also registered at 2003 W Fulton St FL 3

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

  1. Hyewon Ku, NURSE PRACTITIONERFamily Nurse Practitioner1093513244
  2. Monik Patel, FNPFamily Nurse Practitioner1346977121

Verify Carlene Del Castillo 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 209.028211
    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

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33% fewer Medicare Part D claims than the average family nurse practitioner in 2024

874 Medicare Part D claims for 177 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Carlene Del Castillo874
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium59 claims
  2. Gabapentin37 claims
  3. Eliquis35 claims
  4. Furosemide34 claims
  5. Azithromycin21 claims
  6. Albuterol Sulfate Hfa20 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.

Industry payments in 2024: $174.78

3 payments; by number, the most common kind was food and beverage; the largest payer was Fujifilm Healthcare Americas Corporation. 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. Carlene Del Castillo$174.78
  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.

Carlene Del Castillo among 7,639 family nurse practitioner records in Illinois

Carlene Del Castillo is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% 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 85% of them.

  • NPI issued2024 · 85% of these records are older, 9% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2024 · 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 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,567 family nurse practitioner records list a practice address in Chicago

They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Barbara Brown, NURSE PRACTITIONERChicago, IL 606121225065352
  2. Cynthia Davis, FNPChicago, IL 606121902897028
  3. Karen Davis, NPChicago, IL 606121740243997
  4. Marie Digiacomo, NPChicago, IL 606121164435269
  5. Lauren Foster, CNPChicago, IL 606121376515379
  6. Patricia Knowles, APN, NP-CChicago, IL 606121912927062
  7. Sarah Lau, APNChicago, IL 606121548254378
  8. Christine Maclean, NPCChicago, IL 606121740210004

Common questions

What is Carlene Del Castillo's NPI number?

Carlene Del Castillo's National Provider Identifier (NPI) is 1699535971, issued on Mar 21, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Carlene Del Castillo located?

The NPPES record lists a practice address at 2003 W Fulton St FL 3, Chicago, IL, 60612. Phone: (312) 243-2223. Providers update this record themselves, so call before visiting.

How can I verify Carlene Del Castillo's license?

NPPES lists Illinois license number 209.028211, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Carlene Del Castillo prescribe under Medicare Part D?

In 2024, Carlene Del Castillo had 874 Medicare Part D claims for 177 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.