HUAN J. CHANG
NPI 1336244870
Internal Medicine - Rheumatology in Chicago, IL

Q: What is Huan Chang's NPI number?

The NPI number for Huan Chang is 1336244870. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Q: What is Huan Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Huan Chang was last updated on August 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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 September 13, 2006PECOS EnrolledAccepts Medicare Assignment

1740 W TAYLOR ST, CHICAGO, IL 60612(866) 600-2273 Get Directions Write a Review

NPPES record last updated: August 31, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Huan J. Chang NPPES

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

HUAN J. CHANG (NPI 1336244870) is an individual rheumatology provider in Chicago, Illinois, licensed in Illinois (036083242) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of Geisel School Of Medicine At Dartmouth (1988).

NPPES Registry Identity

NPI1336244870

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameHUAN J. CHANG

Location Address1740 W TAYLOR STChicago, IL 60612-7232

Mailing Address1819 W Polk St, Cmw M/c 733Chicago, IL 60612-4356 · (312) 413-9310 · Fax (312) 413-9271

Phone(866) 600-2273

Sole ProprietorNo

Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1988

Enumeration DateSeptember 13, 2006

Last NPPES UpdateAugust 31, 2009

✔ NPI 1336244870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in IL · 036083242

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

1740 W TAYLOR ST, Chicago, IL 60612

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Other Identifiers 2

Medicare ID-Type UnspecifiedL93476

Medicare UPINE97986

Accepted Insurance

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

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

Huan J. Chang 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 ID4688643190

PECOS Enrollment IDI20040930001151

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 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.

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.

151 services69 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

42 services14 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

26 services19 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.

11 services11 patients

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)