ERIC CHIEN-YEH CHANG MD
NPI 1720290190
Internal Medicine - Infectious Disease in Portland, OR

Q: What is Eric Chang's NPI number?

The NPI number for Eric Chang is 1720290190. It was assigned to this individual provider in the NPPES registry on May 5, 2007.

Q: What is Eric Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Eric Chang was last updated on August 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 May 05, 2007PECOS EnrolledAccepts Medicare Assignment

86.22/100

CMS Quality Rating

2801 N GANTENBEIN AVE, RM 4117, PORTLAND, OR 97227(503) 413-6807(503) 413-2144 Get Directions Write a Review

NPPES record last updated: August 6, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Eric Chien-yeh Chang Md NPPES

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

ERIC CHIEN-YEH CHANG MD (NPI 1720290190) is an individual infectious disease provider in Portland, Oregon, licensed in Oregon (MD26818) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2002).

NPPES Registry Identity

NPI1720290190

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameERIC CHIEN-YEH CHANGCredential: MD

Location Address2801 N GANTENBEIN AVE, RM 4117Portland, OR 97227-1623

Mailing Address2801 N Gantenbein Ave, Rm 4117Portland, OR 97227-1623 · (503) 413-6807 · Fax (503) 413-2144

Phone(503) 413-6807

Fax(503) 413-2144

Sole ProprietorYes

Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2002

Enumeration DateMay 5, 2007

Last NPPES UpdateAugust 6, 2008

✔ NPI 1720290190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in OR · MD26818

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD26818 (OR)

2801 N GANTENBEIN AVE, Portland, OR 97227

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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

Eric Chien-yeh 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 ID8224125232

PECOS Enrollment IDI20071107000241, I20080828000339

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.

109 services54 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.

38 services38 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

28 services21 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380007

Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County

Emergency services Birthing friendly

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380017

Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County

Emergency services Birthing friendly

Legacy Mount Hood Medical Center

Acute Care Hospitals · Gresham, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380025

Location24800 SE Stark StreetGresham, OR 97030 · Multnomah 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

Legacy Salmon Creek Medical Center

Acute Care Hospitals · Vancouver, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500150

Location2211 NE 139th StreetVancouver, WA 98686 · Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.22/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

95.64

Promoting Interoperability

Improvement Activities

Cost

49.32

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.

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