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

EA-SLE CHANG M.D.
NPI 1932582061
Surgery in Saint Louis, MO

Q: What is Ea-sle Chang's NPI number?

The NPI number for Ea-sle Chang is 1932582061. It was assigned to this individual provider in the NPPES registry on July 7, 2015. The provider is also known as Iris Chang MD.

Q: What is Ea-sle Chang's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Ea-sle Chang was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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 July 07, 2015PECOS Enrolled

621 S NEW BALLAS RD STE 560A, SAINT LOUIS, MO 63141(314) 251-6440(314) 251-4456 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, May 1, 2026, Sep 1, 2022 and 2 more (5 updates tracked since 2021).

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About Ea-sle Chang M.d. NPPES

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

EA-SLE CHANG M.D. (NPI 1932582061) is an individual surgery provider in Saint Louis, Missouri, licensed in Missouri (2026018533) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, is affiliated with Mercyone Newton Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1932582061

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameEA-SLE CHANGCredential: M.D.

Location Address621 S NEW BALLAS RD STE 560ASaint Louis, MO 63141-8261

Mailing Address621 S New Ballas Rd Ste 560aSaint Louis, MO 63141-8261 · (314) 251-6440 · Fax (314) 251-4456

Phone(314) 251-6440

Fax(314) 251-4456

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJuly 7, 2015

Last NPPES UpdateJuly 13, 20265 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1932582061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in MO · 2026018533

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 2026018533 (MO), MD-48980 (IA)

Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 2026018533 (MO)

621 S NEW BALLAS RD STE 560A, Saint Louis, MO 63141

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Other Names 1

Other Name (5)Iris Chang Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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

Ea-sle Chang 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 ID9638471162

PECOS Enrollment IDI20220910000157

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.

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.

158 services75 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.

66 services63 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.

21 services21 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Mercyone Newton Medical Center

Acute Care Hospitals · Newton, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number160032

Location204 N 4th Ave ENewton, IA 50208 · Jasper County

Emergency services Birthing friendly

Mercyone Des Moines Medical Center

Acute Care Hospitals · Des Moines, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160083

Location1111 6th AveDes Moines, IA 50314 · Polk County

Emergency services Birthing friendly

Kossuth Regional Health Center

Critical Access Hospitals · Algona, IA

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number161353

Location1515 South Phillips StreetAlgona, IA 50511 · Kossuth County

Emergency services Birthing friendly

Knoxville Hospital & Clinics

Critical Access Hospitals · Knoxville, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161355

Location1002 South Lincoln StreetKnoxville, IA 50138 · Marion County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

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.

PAIGE NICOLE PONTICELLO MSN, FNP-C

Nurse Practitioner (Family)