TONY CHEN MD
NPI 1295116499
Internal Medicine - Cardiovascular Disease in Seattle, WA

Active since June 12, 2015PECOS EnrolledAccepts Medicare Assignment
1100 9TH AVE, SEATTLE, WA 98101(206) 341-1111(206) 223-8824 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 12, 2025, Sep 14, 2021, Jun 14, 2018 (3 updates tracked since 2018).

About Tony Chen Md NPPES

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

TONY CHEN MD (NPI 1295116499) is an individual cardiovascular disease provider in Seattle, Washington, licensed in Washington (MD60859243) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of University Of Washington School Of Medicine (2015).

NPPES Registry Identity

NPI1295116499
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameTONY CHENCredential: MD
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing AddressPo Box 741515Los Angeles, CA 90074-1515 · (206) 341-1111 · Fax (206) 223-8824
Fax(206) 223-8824
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2015
Enumeration DateJune 12, 2015
Last NPPES UpdateSeptember 29, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1295116499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in WA · MD60859243✔ Licensed in OR · MD188650
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
1100 9TH AVE, Seattle, WA 98101

Accepted 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

Tony Chen 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 ID7719294552
PECOS Enrollment IDI20211124000437
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

3

Medicare enrollment records show Tony Chen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology
1100 9TH AVE
Seattle, WA 98101
  • Reassigned Medicare billing, Washington enrollment
  • 1,021 clinicians in this Medicare group
Critical Access
211 SKYLINE DRIVE
White Salmon, WA 98672
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1760455687 (Washington)
  • 85 clinicians in this Medicare group
Multi-Specialty
33 NICHOLS PKWY
Hood River, OR 97031
  • Reassigned Medicare billing, Oregon enrollment
  • 195 clinicians in this Medicare group

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 12

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
499 services387 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
166 services165 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
127 services125 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.
85 services52 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
42 services38 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 services36 patients

Hospital Affiliations CMS Care Compare 4

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

Virginia Mason Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500005
Location925 Seneca StSeattle, WA 98101 · King County
Emergency services Birthing friendly

Highline Medical Center

Acute Care Hospitals · Burien, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500011
Location16251 Sylvester Road SWBurien, WA 98166 · King County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

Kittitas Valley Community Hospital

Critical Access Hospitals · Ellensburg, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501333
Location603 South ChestnutEllensburg, WA 98926 · Kittitas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98101 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
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.

Occupational Therapist
1100 9TH AVE
SEATTLE, WA 98101
Pharmacist
1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101
Internal Medicine (Critical Care Medicine)
1100 9TH AVE
SEATTLE, WA 98101
Contractor
1100 9TH AVE
SEATTLE, WA 98101
Physical Medicine & Rehabilitation
1100 9TH AVE
SEATTLE, WA 98101
Speech-Language Pathologist
1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101
Surgery
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Gastroenterology)
1100 9TH AVE
SEATTLE, WA 98101

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 Tony Chen's NPI number?

The NPI number for Tony Chen is 1295116499. It was assigned to this individual provider in the NPPES registry on June 12, 2015.

Where is Tony Chen located?

Tony Chen practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 341-1111.

What is Tony Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Tony Chen enrolled in Medicare?

Yes. Tony Chen 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.

Which organizations bill Medicare for Tony Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tony Chen reassigns Medicare benefits to 3 organizations: Virginia Mason Medical Center (Seattle, WA), Public Hospital District No 2, Klickitat County Washington (White Salmon, WA) and Mid-Columbia Medical Center (Hood River, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tony Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tony Chen accept?

Health plans from Kaiser Permanente, Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Tony Chen 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 Tony Chen affiliated with any hospitals?

According to CMS data, Tony Chen is affiliated with Virginia Mason Medical Center, Highline Medical Center, Olympic Medical Center and Kittitas Valley Community Hospital.

When was this NPI record last updated?

The NPPES record for Tony Chen was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.