ALLEN TANG CHEN MD
NPI 1437341096
Radiology - Diagnostic Radiology in Seattle, WA

Q: What is Allen Chen's NPI number?

The NPI number for Allen Chen is 1437341096. It was assigned to this individual provider in the NPPES registry on August 16, 2007.

Q: What is Allen Chen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Allen Chen was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 August 16, 2007PECOS EnrolledAccepts Medicare Assignment

1100 9TH AVE, SEATTLE, WA 98101(206) 223-6851(206) 344-7959 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2024, Oct 21, 2022, Nov 6, 2018 and 2 more (5 updates tracked since 2016).

On this page

About Allen Tang Chen Md NPPES

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

ALLEN TANG CHEN MD (NPI 1437341096) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (MD00047963) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Carle Foundation Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1437341096

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameALLEN TANG CHENCredential: MD

Location Address1100 9TH AVESeattle, WA 98101-2756

Mailing Address1100 9th AveSeattle, WA 98101-2756 · (206) 223-6851 · Fax (206) 344-7959

Phone(206) 223-6851

Fax(206) 344-7959

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 2002

Enumeration DateAugust 16, 2007

Last NPPES UpdateJuly 24, 20255 updates tracked since enumeration

NPPES CertifiedJuly 24, 2025

✔ NPI 1437341096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in WA · MD00047963✔ Licensed in TN · 71632

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License 036113880 (IL)

1100 9TH AVE, Seattle, WA 98101

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1834 Sheridan StPort Townsend, WA 98368-2443 · Phone (360) 385-2200

Location 21600 Windermere Dr ESeattle, WA 98112-3738 · Phone (773) 805-3335

Other Identifiers 2

MedicaidQ096120TN

Medicaid1437341096WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Oscar Health Plan, Inc., Oscar Insurance Company.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

Allen Tang 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 ID941373666

PECOS Enrollment IDI20080714000467, I20111031000689, I20250118000043, I20250710003340

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 Allen Chen reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Virginia Mason Medical Center

Same address

Gastroenterology

1100 9TH AVE
Seattle, WA 98101

Reassigned Medicare billing, Washington enrollment
1,021 clinicians in this Medicare group

NPI 1003970989 (206) 223-6600

Whidbey Island Public Hospital District

0.2 mi

Diagnostic Radiology

1420 TERRY AVE UNIT 1003
Seattle, WA 98101

Reassigned Medicare billing, Washington enrollment
142 clinicians in this Medicare group

NPI 1609497858 (360) 678-5151

Jefferson County Public Hospital District No 2

17 mi

Sleep Medicine

9833 POPLARS AVE NW STE 104
Silverdale, WA 98383

Reassigned Medicare billing, Washington enrollment
Also billed through NPI 1356492953 (Washington)
208 clinicians in this Medicare group

NPI 1467664631 (360) 698-0422

Skagit Radiology Inc P S

56 mi

Diagnostic Radiology

1415 E KINCAID
Mount Vernon, WA 98274

Reassigned Medicare billing, Washington enrollment
49 clinicians in this Medicare group

NPI 1932218757 (360) 424-6161

Skagit Digital Imaging LLC

56 mi

Diagnostic Radiology

1320 E DIVISION
Mount Vernon, WA 98274

Reassigned Medicare billing, Washington enrollment
49 clinicians in this Medicare group

NPI 1043328636 (360) 424-6161

North Star Medical Imaging PLLC

56 mi

Diagnostic Radiology

125 N 18TH ST STE C
Mount Vernon, WA 98273

Reassigned Medicare billing, Washington enrollment
46 clinicians in this Medicare group

NPI 1144489824 (360) 424-6161

Bellingham Advanced Medical Imaging LLC

79 mi

Diagnostic Radiology

1344 KING ST STE 101
Bellingham, WA 98229

Reassigned Medicare billing, Washington enrollment
50 clinicians in this Medicare group

NPI 1730605965 (360) 424-6161

Fairbanks Medical Imaging LLC

1,521 mi

Diagnostic Radiology

2310 PEGER RD, SUITE 102
Fairbanks, AK 99709

Reassigned Medicare billing, Washington enrollment
47 clinicians in this Medicare group

NPI 1528360625 (360) 424-6161

Endeavor Health Medical Group

1,729 mi

Anesthesiology

2650 RIDGE AVE, ANESTHESIOLOGY ROOM 3905
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1265695944 (847) 570-2760

Carle Health Medical Group

1,765 mi

Internal Medicine

611 W PARK ST
Urbana, IL 61801

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Carle Health Care Incorporated
2,516 clinicians in this Medicare group

NPI 1154653947 (217) 383-8300

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 37

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

3,940 services38 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

127 services124 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

93 services85 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

83 services81 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

63 services61 patients

X-ray of chest, 2 views 71046

59 services59 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

53 services51 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

39 services39 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

39 services37 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

34 services33 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

33 services33 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

30 services22 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

29 services26 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

26 services23 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

26 services26 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

24 services22 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

22 services20 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

22 services22 patients

Ct scan of abdomen and pelvis with contrast 74177

21 services20 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

20 services20 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

19 services19 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

18 services17 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

17 services12 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

17 services17 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch 36247

This procedure involves placing a tube into an artery in the abdomen, pelvis, or leg. The tube is inserted into the initial third order branch of the artery. This can help doctors diagnose or treat certain conditions by allowing access to these blood vessels.

16 services11 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

15 services13 patients

Ct scan of chest with contrast 71260

13 services12 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

13 services13 patients

Ultrasound of leg arteries or artery grafts 93925

13 services13 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

13 services13 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

12 services11 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

12 services12 patients

Ultrasound scan of head and neck soft tissue 76536

12 services12 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

11 services11 patients

X-ray lower and sacral spine, minimum of 6 views 72114

An X-ray of the lower and sacral spine involves capturing images of the bones in your lower back and tailbone area. It helps to identify issues like fractures, infections, or degenerative diseases. A minimum of 6 views ensures a comprehensive examination.

11 services11 patients

Double contrast x-ray of esophagus 74221

A double contrast x-ray of the esophagus is a diagnostic procedure that uses a special type of x-ray and a contrast material to capture detailed images of your esophagus. This helps in identifying any abnormalities or issues.

11 services11 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

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.

Carle Foundation Hospital

Acute Care Hospitals · Urbana, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140091

Location611 West Park StreetUrbana, IL 61801 · Champaign County

Emergency services Birthing friendly

Baptist Health Lexington

Acute Care Hospitals · Lexington, KY

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number180103

Location1740 Nicholasville RoadLexington, KY 40503 · Fayette County

Emergency services Birthing friendly

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500003

Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County

Emergency services Birthing friendly

Island Hospital

Acute Care Hospitals · Anacortes, WA

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500007

Location1211 24th StreetAnacortes, WA 98221 · Skagit County

Emergency services Birthing friendly

Cascade Valley Hospital

Acute Care Hospitals · Arlington, WA

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500060

Location330 S Stillaguamish AveArlington, WA 98223 · Snohomish 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

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.

JACLYN ANN SUBKOVIAK OT

Occupational Therapist

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 341-0461

MARCIE G HUME PHARM.D.

Pharmacist

1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101

King County (206) 223-6877

DR. VINAY GUPTA MD

Internal Medicine (Critical Care Medicine)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6980

MARY JO BUKOVIC CCP

Contractor

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

PEGAH SAFAEIAN D.O.

Physical Medicine & Rehabilitation

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

MRS. GENEVIEVE HOUDET-COTE SLP

Speech-Language Pathologist

1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101

King County (206) 341-0461

ROBERT DALE MCCLURE MD

Surgery

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

VIRGINIA MASON MEDICAL CENTER

Internal Medicine (Gastroenterology)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

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 Allen Chen's NPI number?

The NPI number for Allen Chen is 1437341096. It was assigned to this individual provider in the NPPES registry on August 16, 2007.

Where is Allen Chen located?

Allen Chen practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6851.

What is Allen Chen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Allen Chen enrolled in Medicare?

Yes. Allen 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 Allen Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allen Chen reassigns Medicare benefits to 15 organizations: Virginia Mason Medical Center (Seattle, WA), Whidbey Island Public Hospital District (Seattle, WA), Jefferson County Public Hospital District No 2 (Silverdale, WA), Skagit Radiology Inc P S (Mount Vernon, WA), Skagit Digital Imaging LLC (Mount Vernon, WA) and 10 more organizations, listed in the Medicare section above. 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 Allen Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allen Chen accept?

Health plans from Cigna Healthcare, Oscar Health Plan, Inc. and Oscar Insurance Company list Allen 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 Allen Chen affiliated with any hospitals?

According to CMS data, Allen Chen is affiliated with Carle Foundation Hospital, Baptist Health Lexington, Skagit Valley Hospital, Island Hospital and Cascade Valley Hospital.

When was this NPI record last updated?

The NPPES record for Allen Chen was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.