CINDY Y. ATWI PA-C
NPI 1497460919
Physician Assistant - Surgical in Naperville, IL

Q: What is Cindy Atwi's NPI number?

The NPI number for Cindy Atwi is 1497460919. It was assigned to this individual provider in the NPPES registry on January 18, 2023. The provider is also known as Yu Sun.

Q: What is Cindy Atwi's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Cindy Atwi was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 18, 2023PECOS EnrolledAccepts Medicare Assignment

100 SPALDING DR STE 110, NAPERVILLE, IL 60540(331) 221-9004 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 19, 2026, May 4, 2023, Jan 18, 2023 (3 updates tracked since 2023).

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About Cindy Y. Atwi Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CINDY Y. ATWI PA-C (NPI 1497460919) is an individual surgical provider in Naperville, Illinois, licensed in Illinois (085009556) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1497460919

Entity TypeIndividualFemale

Primary Taxonomy363AS0400X

Provider Legal NameCINDY Y. ATWICredential: PA-C

Location Address100 SPALDING DR STE 110Naperville, IL 60540-6551

Mailing Address4201 Winfield Rd Fl 3Warrenville, IL 60555-4025

Phone(331) 221-9004

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJanuary 18, 2023

Last NPPES UpdateMarch 19, 20263 updates tracked since enumeration

NPPES CertifiedMarch 19, 2026

✔ NPI 1497460919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in IL · 085009556

Also ListedPhysician AssistantTaxonomy 363A00000X · License 085009556 (IL)

100 SPALDING DR STE 110, Naperville, IL 60540

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Other Names 1

Former Name (1)Yu Sun

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cindy Y. Atwi Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648635532

PECOS Enrollment IDI20230427002826

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

153 services128 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

102 services87 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

90 services72 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

50 services50 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

49 services49 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

39 services27 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

29 services28 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

21 services16 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

16 services16 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

16 services16 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SHALIN DESAI M.D.

Urology

100 SPALDING DR STE 110
NAPERVILLE, IL 60540

Dupage County (331) 221-9004

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cindy Atwi's NPI number?

The NPI number for Cindy Atwi is 1497460919. It was assigned to this individual provider in the NPPES registry on January 18, 2023. The provider is also known as Yu Sun.

Where is Cindy Atwi located?

Cindy Atwi practices at 100 Spalding Dr Ste 110, Naperville, IL 60540. The listed phone number is (331) 221-9004.

What is Cindy Atwi's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Cindy Atwi enrolled in Medicare?

Yes. Cindy Atwi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Cindy Atwi affiliated with any hospitals?

According to CMS data, Cindy Atwi is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for Cindy Atwi was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.