Sandi Ellen Jiongco, APN-CNS
Clinical Nurse Specialist · Naperville, IL
Sandi Ellen Jiongco, APN-CNS is a clinical nurse specialist with a practice address in Naperville, Illinois, and NPI 1225428741, issued on Feb 4, 2015. Check the license (Illinois 277000411, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandi Ellen Jiongco
- Credential
- APN-CNS
- Primary taxonomy
- Clinical Nurse Specialist 364S00000X
- License numbers
- 277000411 IL
209012544 IL
Self-reported in NPPES; status is on the state search - Practice location
- 801 S Washington St, Naperville, IL 60540
- Phone
- (630) 527-3000
- Enumerated
- Feb 4, 2015
- Record last updated
- Apr 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20150407002109); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical nurse specialist records → All 162 in Illinois → Look up another NPI →
Also registered at 801 S Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sean Adams, M.D.Anesthesiology Physician1598713661
- Saroosh Ahmed, MDEmergency Medicine Physician1639335078
- Faisal Akbari, M.DHospitalist Physician1740598705
- Catherine AlerNurse Practitioner1134584964
- Irfan Ali, DOHospitalist Physician1306427760
- Sivani Aluru, MDObstetrics & Gynecology Physician1275156325
Verify Sandi Ellen Jiongco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277000411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average clinical nurse specialist in 2024
184 Medicare Part D claims for 90 beneficiaries, against an average of 957 among the 361 providers of this specialty who prescribed in Part D.
Most prescribed
- Gentamicin Sulfate59 claims
- Ciprofloxacin Hcl19 claims
- Doxycycline Hyclate17 claims
- Sulfamethoxazole-Trimethoprim15 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 MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $421.46
14 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 457 providers of this specialty with any payment received $871.23 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandi Ellen Jiongco among 162 clinical nurse specialist records in Illinois
Sandi Ellen Jiongco, APN-CNS is one of 162 clinical nurse specialist records with a practice address in Illinois. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2015 · median 2008 among the 48 with a school on file
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 364S00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Nurse Specialist providers in Illinois
There are 162 clinical nurse specialist records in Illinois.
All 162 in Illinois → Every provider in Naperville → Clinical Nurse Specialist nationwide →
The 8 clinical nurse specialist records with the nearest ZIP codes
- Lani Destree, MS APN CNS CDENaperville, IL 605401316186083
- Tonya Mangiaguerra, APN-CNSNaperville, IL 605401265889596
- Kathleen Omerod, APN CCNSNaperville, IL 605401477818557
- Anne Rushing, APNNaperville, IL 605401699293936
- Jill Wozny, RN, MSN, CCNSNaperville, IL 605401427351451
- Michelle Buck, RN, CNSWarrenville, IL 605551982621421
- Marianne Huml, APRN, CNSWarrenville, IL 605551871881110
- Barbara Koren, APN, CCNSHinsdale, IL 605211114218369
Common questions
What is Sandi Ellen Jiongco, APN-CNS's NPI number?
Sandi Ellen Jiongco, APN-CNS's National Provider Identifier (NPI) is 1225428741, issued on Feb 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sandi Ellen Jiongco, APN-CNS located?
The NPPES record lists a practice address at 801 S Washington St, Naperville, IL, 60540. Phone: (630) 527-3000. Providers update this record themselves, so call before visiting.
How can I verify Sandi Ellen Jiongco, APN-CNS's license?
NPPES lists Illinois license number 277000411, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Sandi Ellen Jiongco, APN-CNS prescribe under Medicare Part D?
In 2024, Sandi Ellen Jiongco, APN-CNS had 184 Medicare Part D claims for 90 beneficiaries; the average among clinical nurse specialist prescribers was 957. Part D covers Medicare prescriptions only.
What is Sandi Ellen Jiongco, APN-CNS's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. 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.