JOY WEILING CHANG M.D.
NPI 1194091827
Internal Medicine - Gastroenterology in Ann Arbor, MI

Active since March 27, 2012PECOS EnrolledAccepts Medicare Assignment
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CENTER RECP D, ANN ARBOR, MI 48109(734) 647-5944 Get Directions Write a Review

NPPES record last updated: December 6, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 6, 2018, Jul 12, 2018, Oct 28, 2016 (3 updates tracked since 2016).

About Joy Weiling Chang M.d. NPPES

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

JOY WEILING CHANG M.D. (NPI 1194091827) is an individual gastroenterology provider in Ann Arbor, Michigan, licensed in Michigan (4301106697) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of University Of Maryland School Of Medicine (2012).

NPPES Registry Identity

NPI1194091827
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameJOY WEILING CHANGCredential: M.D.
Location Address1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CENTER RECP DAnn Arbor, MI 48109-5382
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299 · Fax (734) 763-7834
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2012
Enumeration DateMarch 27, 2012
Last NPPES UpdateDecember 6, 20183 updates tracked since enumeration
NPI 1194091827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MI · 4301106697
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301106697 (MI)
1500 EAST MEDICAL CENTER DR, Ann Arbor, MI 48109

Accepted 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

Joy Weiling 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 ID2860611779
PECOS Enrollment IDI20180720002040
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 2

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.
18 services15 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.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230046
Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CTR RECP B
ANN ARBOR, MI 48109
Anesthesiology
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109
Physician Assistant
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CENTER RECP F
ANN ARBOR, MI 48109
Nurse Practitioner
1500 EAST MEDICAL CENTER DR, 3RD FLOOR C.S. MOTT CHILDREN'S HOSPITAL RECP C
ANN ARBOR, MI 48109
Nurse Practitioner (Critical Care Medicine)
1500 EAST MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDRENS HOSPITAL RM 525
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 EAST MEDICAL CENTER DR
ANN ARBOR, MI 48109
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN RECP B
ANN ARBOR, MI 48109
Pediatrics (Pediatric Hematology-Oncology)
1500 EAST MEDICAL CENTER DR, 7TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 48109

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 Joy Chang's NPI number?

The NPI number for Joy Chang is 1194091827. It was assigned to this individual provider in the NPPES registry on March 27, 2012.

Where is Joy Chang located?

Joy Chang practices at 1500 East Medical Center Dr 3rd Floor Taubman Center Recp D, Ann Arbor, MI 48109. The listed phone number is (734) 647-5944.

What is Joy Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Joy Chang enrolled in Medicare?

Yes. Joy Chang 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.

What insurance does Joy Chang accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Joy Chang 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 Joy Chang affiliated with any hospitals?

According to CMS data, Joy Chang is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Joy Chang was last updated on December 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.