DR. CHRISTOPHER V CHIEN M.D.
NPI 1477732535
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Portland, OR

Q: What is Christopher Chien's NPI number?

The NPI number for Christopher Chien is 1477732535. It was assigned to this individual provider in the NPPES registry on October 25, 2007.

Q: What is Christopher Chien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Q: When was this NPI record last updated?

The NPPES record for Christopher Chien was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since October 25, 2007PECOS EnrolledAccepts Medicare Assignment

9427 SW BARNES RD STE 495, PORTLAND, OR 97225(503) 962-1000 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 5, 2026, Mar 18, 2025, Aug 12, 2016 (3 updates tracked since 2016).

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About Dr. Christopher V Chien M.d. NPPES

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

DR. CHRISTOPHER V CHIEN M.D. (NPI 1477732535) is an individual advanced heart failure and transplant cardiology provider in Portland, Oregon, licensed in Oregon (MD216308) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1477732535

Entity TypeIndividualMale

Primary Taxonomy207RA0001X

Provider Legal NameDR. CHRISTOPHER V CHIENCredential: M.D.

Location Address9427 SW BARNES RD STE 495Portland, OR 97225-6612

Mailing Address9427 Sw Barnes Rd Ste 495Portland, OR 97225-6612 · (503) 962-1000

Phone(503) 962-1000

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 2006

Enumeration DateOctober 25, 2007

Last NPPES UpdateMarch 5, 20263 updates tracked since enumeration

NPPES CertifiedMarch 5, 2026

✔ NPI 1477732535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0001X

Licenses✔ Licensed in OR · MD216308✔ Licensed in NC · 219188

Definition

Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD216308 (OR)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 219188 (NC), MD216308 (OR)

9427 SW BARNES RD STE 495, Portland, OR 97225

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Secondary Practice Locations 2

Location 1501 N Graham St Ste 200Portland, OR 97227-2000 · Phone (503) 413-4710

Location 23303 S Bond AvePortland, OR 97239-4501 · Phone (503) 494-1775 · Fax (503) 494-4749

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher V Chien 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 ID9830378272

PECOS Enrollment IDI20110201000044

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.

Medicare Billing Reassignments

Medicare enrollment records show Christopher Chien reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Health & Services - Oregon

Same address

Pediatrics

9427 SW BARNES RD, SUITE 598
Portland, OR 97225

Reassigned Medicare billing, Oregon enrollment
1,501 clinicians in this Medicare group

NPI 1033299458 (503) 216-8654

Legacy Good Samaritan Hospital And Medical Center

4.0 mi

General Acute Care Hospital

1015 NW 22ND AVE
Portland, OR 97210

Reassigned Medicare billing, Oregon enrollment
387 clinicians in this Medicare group

NPI 1780608216 (503) 413-7711

Legacy Clinics LLC

4.0 mi

Clinic/Center

1130 NW 22ND AVE STE 220
Portland, OR 97210

Reassigned Medicare billing, Oregon enrollment
1,248 clinicians in this Medicare group

NPI 1902827272 (503) 413-2901

Legacy Emanuel Hospital & Health Center

5.5 mi

General Acute Care Hospital

1225 NE 2ND AVE
Portland, OR 97232

Reassigned Medicare billing, Oregon enrollment
719 clinicians in this Medicare group

NPI 1003367491 (503) 944-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

44 services33 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.

43 services26 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

36 services11 patients

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.

31 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Insertion of tube in right heart chambers for measurement 93451

This procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380004

Location9205 SW Barnes RoadPortland, OR 97225 · Washington County

Emergency services Birthing friendly

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

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380009

Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · 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

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380061

Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97225 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 4

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier18 claims18 services$18.41 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier18 claims66 services$35.75 avg. paid by Medicare

Injection, dobutamine hydrochloride, per 250 mg J1250

Treatment-Injections and Infusions (nononcologic) · category RI000N

1 supplier11 claims165 services$4.83 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

1 supplier11 claims2,935 services$0.04 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.

BRANDON M JONES M.D.

Internal Medicine (Interventional Cardiology)