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CHRISTOPHER CHANG M.D.
NPI 1174941298
Internal Medicine - Critical Care Medicine in Portland, OR

Active since April 04, 2014PECOS EnrolledAccepts Medicare Assignment
3710 SW US VETERANS HOSPITAL RD, PORTLAND, OR 97239(503) 220-8262 Get Directions Write a Review

NPPES record last updated: December 20, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 20, 2024, Jul 13, 2023, Oct 4, 2021 and 1 more (4 updates tracked since 2021).

About Christopher Chang M.d. NPPES

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

CHRISTOPHER CHANG M.D. (NPI 1174941298) is an individual critical care medicine provider in Portland, Oregon, licensed in Oregon (MD188733) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Medical Center, and maintains a secondary practice location in Corvallis.

NPPES Registry Identity

NPI1174941298
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameCHRISTOPHER CHANGCredential: M.D.
Location Address3710 SW US VETERANS HOSPITAL RDPortland, OR 97239-2964
Mailing Address3710 Sw Us Veterans Hospital Rd, P3-pulmPortland, OR 97239-2964
Phone(503) 220-8262
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateApril 4, 2014
Last NPPES UpdateDecember 20, 20244 updates tracked since enumeration
NPPES CertifiedDecember 20, 2024
✔ NPI 1174941298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in OR · MD188733
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License A137820 (CA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License MD188733 (OR), T3931 (TX)
3710 SW US VETERANS HOSPITAL RD, Portland, OR 97239
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Secondary Practice Location 1

Location 13600 NW Samaritan DrCorvallis, OR 97330-5472 · Phone (541) 768-5111

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

Christopher 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 ID3375812670
PECOS Enrollment IDI20241124000089
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.

Hospital Affiliations CMS Care Compare

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

Good Samaritan Regional Medical Center

Acute Care Hospitals · Corvallis, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380014
Location3600 NW Samaritan DriveCorvallis, OR 97330 · Benton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$21.30 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$119.41 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. JESSICA J KHALILI PHARMD
Pharmacist
3710 SW US VETERANS HOSPITAL RD, PHARMACY DEPARTMENT
PORTLAND, OR 97239
Multnomah County (503) 402-2946
MICHELLE LEA KELLER
Social Worker (Clinical)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Multnomah County (503) 220-8262
DR. AMY W WAGNER PH.D.
Psychologist
3710 SW US VETERANS HOSPITAL RD, V3-SATP
PORTLAND, OR 97239
Multnomah County (503) 220-8262
DR. DAVID MORRISON DOUGLAS MD
Psychiatry & Neurology (Geriatric Psychiatry)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Multnomah County (503) 721-1440
KENNETH JOHN SCALAPINO M.D.
Internal Medicine (Rheumatology)
3710 SW US VETERANS HOSPITAL RD, P3MED
PORTLAND, OR 97239
Multnomah County (503) 220-8262
MS. LAKSHI MARIE ALDREDGE NP
Nurse Practitioner (Adult Health)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Multnomah County (503) 220-8268
GRACE CHIEN M.D.
Anesthesiology
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Multnomah County (503) 220-8262
DR. MARI UCHISHIBA PHARMD, CDE
Pharmacist (Pharmacotherapy)
3710 SW US VETERANS HOSPITAL RD, GP1P3PHAR
PORTLAND, OR 97239
Multnomah County (503) 220-8262

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 Christopher Chang's NPI number?

The NPI number for Christopher Chang is 1174941298. It was assigned to this individual provider in the NPPES registry on April 4, 2014.

Where is Christopher Chang located?

Christopher Chang practices at 3710 SW Us Veterans Hospital Rd, Portland, OR 97239. The listed phone number is (503) 220-8262.

What is Christopher Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Christopher Chang enrolled in Medicare?

Yes. Christopher 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.

Is Christopher Chang affiliated with any hospitals?

According to CMS data, Christopher Chang is affiliated with Good Samaritan Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Christopher Chang was last updated on December 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.