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HELEN ZHANG
NPI 1033797782
Internal Medicine in Chicago, IL

Active since April 01, 2021PECOS EnrolledAccepts Medicare Assignment
1740 W TAYLOR ST, CHICAGO, IL 60612(866) 600-2273 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 26, 2026, Apr 1, 2021 (2 updates tracked since 2021).

About Helen Zhang NPPES

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

HELEN ZHANG (NPI 1033797782) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036.169252) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2021).

NPPES Registry Identity

NPI1033797782
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHELEN ZHANG
Location Address1740 W TAYLOR STChicago, IL 60612-7232
Mailing Address840 S Wood St Rm 427Chicago, IL 60612-4325 · (312) 996-7836 · Fax (312) 413-8283
Phone(866) 600-2273
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2021
Enumeration DateApril 1, 2021
Last NPPES UpdateJanuary 26, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1033797782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036.169252
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1740 W TAYLOR ST, Chicago, IL 60612
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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

Helen Zhang 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 ID4284037961
PECOS Enrollment IDI20250701003408
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 Reassignment

Medicare enrollment records show Helen Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Board Of Trustees Of The University Of Illinois
Same address
Anesthesiology
1740 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1013136282 (312) 996-4020

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

Hospital Affiliations CMS Care Compare

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

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MRS. CATHLEEN CONWAY JENSEN OTR/L
Occupational Therapist
1740 W TAYLOR ST, C100
CHICAGO, IL 60612
Cook County (312) 996-3700
KELLY M HOYERT PA-C
Physician Assistant (Surgical)
1740 W TAYLOR ST, 3F OCC
CHICAGO, IL 60612
Cook County (312) 355-4300
DR. YI-LOONG COLIN WOON M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
VIDHI SRIVASTAVA MD
Anesthesiology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
AMY PHAM D.O.
Pediatrics (Neonatal-Perinatal Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
WILSON CHING M.D.
Family Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
ADRIENNE BERMAN MD
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
JOSEPH S COLLA M.D.
Emergency Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (312) 996-8177

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 Helen Zhang's NPI number?

The NPI number for Helen Zhang is 1033797782. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Where is Helen Zhang located?

Helen Zhang practices at 1740 W Taylor St, Chicago, IL 60612. The listed phone number is (866) 600-2273.

What is Helen Zhang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Helen Zhang enrolled in Medicare?

Yes. Helen Zhang 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 organization bills Medicare for Helen Zhang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Zhang reassigns Medicare benefits to Board Of Trustees Of The University Of Illinois (Chicago, IL). The 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 Helen Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Helen Zhang affiliated with any hospitals?

According to CMS data, Helen Zhang is affiliated with University Of Illinois Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Helen Zhang was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.