CHUN-YANG MICHAEL CHANG MD
NPI 1033106034
Internal Medicine - Gastroenterology in Oregon City, OR

Q: What is Chun-yang Chang's NPI number?

The NPI number for Chun-yang Chang is 1033106034. It was assigned to this individual provider in the NPPES registry on October 4, 2005. The provider is also known as C-Y Michael Chang MD.

Q: What is Chun-yang Chang's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Chun-yang Chang was last updated on November 28, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 04, 2005PECOS EnrolledAccepts Medicare Assignment

1508 DIVISION ST, STE 15, OREGON CITY, OR 97045(503) 692-3750(503) 691-2324 Get Directions Write a Review

NPPES record last updated: November 28, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Chun-yang Michael Chang Md NPPES

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

CHUN-YANG MICHAEL CHANG MD (NPI 1033106034) is an individual gastroenterology provider in Oregon City, Oregon, licensed in Oregon (MD23576) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Providence Newberg Medical Center, and maintains a secondary practice location in Tualatin.

NPPES Registry Identity

NPI1033106034

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameCHUN-YANG MICHAEL CHANGCredential: MD

Location Address1508 DIVISION ST, STE 15Oregon City, OR 97045-1582

Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825

Phone(503) 692-3750

Fax(503) 691-2324

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 1996

Enumeration DateOctober 4, 2005

Last NPPES UpdateNovember 28, 2023

NPPES CertifiedNovember 28, 2023

✔ NPI 1033106034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in OR · MD23576

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.

1508 DIVISION ST, Oregon City, OR 97045

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Other Names 1

Professional Name (2)C-y Michael Chang Md

Secondary Practice Location 1

Location 119250 SW 90th AveTualatin, OR 97062-7585 · Phone (503) 692-3750 · Fax (503) 691-2324

Other Identifiers 2

Medicaid1033106034WA

Medicaid286972OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans 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

Chun-yang Michael Chang Md 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 ID4183651359

PECOS Enrollment IDI20100820000313

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 9

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

89 services57 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

57 services57 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

24 services21 patients

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.

24 services24 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

16 services16 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Providence Newberg Medical Center

Acute Care Hospitals · Newberg, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380037

Location1001 Providence DriveNewberg, OR 97132 · Yamhill County

Emergency services Birthing friendly

Providence Willamette Falls Medical Center

Acute Care Hospitals · Oregon City, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380038

Location1500 Division StreetOregon City, OR 97045 · Clackamas County

Emergency services Birthing friendly

Legacy Meridian Park Medical Center

Acute Care Hospitals · Tualatin, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380089

Location19300 SW 65th AvenueTualatin, OR 97062 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97045 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

$134.16 typical visit price

range $58.99 – $176.88

Typical copayment $33.54 (range $14.74 – $44.22)

Most-billed visit code 99204

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

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.

NANCY J SALISBURY M.D.

Obstetrics & Gynecology