Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. HUNAN ALI CHAUDHRY M.D.
NPI 1609213958
Psychiatry & Neurology - Neurocritical Care in Naperville, IL

Q: What is Hunan Chaudhry's NPI number?

The NPI number for Hunan Chaudhry is 1609213958. It was assigned to this individual provider in the NPPES registry on May 28, 2013.

Q: What is Hunan Chaudhry's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.

Q: When was this NPI record last updated?

The NPPES record for Hunan Chaudhry was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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 May 28, 2013PECOS EnrolledAccepts Medicare Assignment

801 S WASHINGTON ST FL 6, NAPERVILLE, IL 60540(630) 527-7235 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 18, 2026, Nov 4, 2024, Dec 23, 2021 and 4 more (7 updates tracked since 2016).

On this page

About Dr. Hunan Ali Chaudhry M.d. NPPES

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

DR. HUNAN ALI CHAUDHRY M.D. (NPI 1609213958) is an individual neurocritical care provider in Naperville, Illinois, licensed in Illinois (036-142962) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1609213958

Entity TypeIndividualMale

Primary Taxonomy2084A2900X

Provider Legal NameDR. HUNAN ALI CHAUDHRYCredential: M.D.

Location Address801 S WASHINGTON ST FL 6Naperville, IL 60540-7430

Mailing Address2650 Ridge Ave # 1223Evanston, IL 60201-1700

Phone(630) 527-7235

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 2013

Enumeration DateMay 28, 2013

Last NPPES UpdateSeptember 18, 20267 updates tracked since enumeration

NPPES CertifiedSeptember 18, 2026

✔ NPI 1609213958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurocritical CareAllopathic & Osteopathic Physicians

Taxonomy Code2084A2900X

License✔ Licensed in IL · 036-142962

Definition

The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for coordinating the care of his or her patients in the ICU, both the neurological and medical management of the patient. They may also provide consultative services for these patients as requested within the health system.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 036142962 (IL)

801 S WASHINGTON ST FL 6, Naperville, IL 60540

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Secondary Practice Locations 3

Location 11775 Dempster StPark Ridge, IL 60068 · Phone (708) 283-5500

Location 21875 Dempster St Ste 625Park Ridge, IL 60068-1137 · Phone (847) 723-4088

Location 31653 W Congress PkwyChicago, IL 60612-3833 · Phone (312) 942-5000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hunan Ali Chaudhry M.d. 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 ID8224329347

PECOS Enrollment IDI20190424001221

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.

Medicare Billing Reassignments

Medicare enrollment records show Hunan Chaudhry reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures

0.1 mi

Neurology

120 SPALDING DR, STE 207
Naperville, IL 60540

Reassigned Medicare billing, Illinois enrollment
561 clinicians in this Medicare group

NPI 1063830081 (630) 527-7730

Advocate Health And Hospitals Corporation

8.3 mi

Cardiovascular Disease

3825 HIGHLAND AVE, TOWER 2 SUITE 400
Downers Grove, IL 60515

Reassigned Medicare billing, Illinois enrollment
Also billed through NPI 1629441027 (Illinois)
4,870 clinicians in this Medicare group

NPI 1285903849 (630) 719-4799

Endeavor Health Medical Group

32 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

394 services153 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

88 services55 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

51 services50 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

20 services18 patients

Hospital Affiliations CMS Care Compare 3

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140223

Location1775 Dempster StPark Ridge, IL 60068 · Cook County

Emergency services Birthing friendly

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

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 Hunan Chaudhry's NPI number?

The NPI number for Hunan Chaudhry is 1609213958. It was assigned to this individual provider in the NPPES registry on May 28, 2013.

Where is Hunan Chaudhry located?

Hunan Chaudhry practices at 801 S Washington St Fl 6, Naperville, IL 60540. The listed phone number is (630) 527-7235.

What is Hunan Chaudhry's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.

Is Hunan Chaudhry enrolled in Medicare?

Yes. Hunan Chaudhry 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.

Which organizations bill Medicare for Hunan Chaudhry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hunan Chaudhry reassigns Medicare benefits to 3 organizations: Edward Health Ventures (Naperville, IL), Advocate Health And Hospitals Corporation (Downers Grove, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hunan Chaudhry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hunan Chaudhry accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Hunan Chaudhry as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Hunan Chaudhry affiliated with any hospitals?

According to CMS data, Hunan Chaudhry is affiliated with Elmhurst Memorial Hospital, Advocate Lutheran General Hospital and Edward Hospital.

When was this NPI record last updated?

The NPPES record for Hunan Chaudhry was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.