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

ISAAC CHANG ATC, LAT, PA-C
NPI 1124511290
Physician Assistant in Lafayette, IN

Q: What is Isaac Chang's NPI number?

The NPI number for Isaac Chang is 1124511290. It was assigned to this individual provider in the NPPES registry on June 12, 2018.

Q: What is Isaac Chang's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Isaac Chang was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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 June 12, 2018PECOS Enrolled

3001 S CREASY LN STE 100A, LAFAYETTE, IN 47905(765) 701-6451(765) 420-5801 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 27, 2026, Aug 19, 2026, Aug 5, 2026 and 1 more (4 updates tracked since 2018).

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About Isaac Chang Atc, Lat, Pa-c NPPES

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

ISAAC CHANG ATC, LAT, PA-C (NPI 1124511290) is an individual physician assistant in Lafayette, Indiana, licensed in Indiana (10005433A) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124511290

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameISAAC CHANGCredential: ATC, LAT, PA-C

Location Address3001 S CREASY LN STE 100ALafayette, IN 47905-5206

Mailing AddressPo Box 781076Detroit, MI 48278-1076 · (317) 528-4800 · Fax (317) 865-1479

Phone(765) 701-6451

Fax(765) 420-5801

Sole ProprietorNo

Enumeration DateJune 12, 2018

Last NPPES UpdateAugust 27, 20264 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1124511290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in IN · 10005433A

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

3001 S CREASY LN STE 100A, Lafayette, IN 47905

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isaac Chang Atc, Lat, Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47905 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

$82.04 typical visit price

range $53.07 – $161.76

Typical copayment $20.51 (range $13.26 – $40.44)

Most-billed visit code 99203

Established Patient

$66.48 typical visit price

range $16.93 – $132.22

Typical copayment $16.62 (range $4.23 – $33.05)

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 6

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

DR. ANDREW SANFORD KOIVUNIEMI M.D./PH.D.

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