DR. DIAN JUNG CHIANG MD
NPI 1982870127
Internal Medicine - Gastroenterology in Seattle, WA

Active since May 07, 2008PECOS EnrolledAccepts Medicare Assignment
1221 MADISON ST STE 1220, SEATTLE, WA 98104(206) 215-4250(206) 215-4252 Get Directions Write a Review

NPPES record last updated: July 8, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Dian Jung Chiang Md NPPES

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

DR. DIAN JUNG CHIANG MD (NPI 1982870127) is an individual gastroenterology provider in Seattle, Washington, licensed in Washington (MD60555376) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1982870127
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. DIAN JUNG CHIANGCredential: MD
Location Address1221 MADISON ST STE 1220Seattle, WA 98104-1356
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476 · Fax (206) 568-7043
Fax(206) 215-4252
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateMay 7, 2008
Last NPPES UpdateJuly 8, 2015
NPI 1982870127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in WA · MD60555376
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 127901 (NC), 35.097358 (OH)
1221 MADISON ST STE 1220, Seattle, WA 98104

Accepted 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

Dr. Dian Jung Chiang 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 ID2062680408
PECOS Enrollment IDI20110729000363
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 17

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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
75 services75 patients
New patient office or other outpatient visit, 45-59 minutes 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
49 services49 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
38 services38 patients
Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
28 services26 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
27 services27 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
22 services20 patients

Hospital Affiliations CMS Care Compare

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

Cleveland Clinic

Acute Care Hospitals · Cleveland, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360180
Location9500 Euclid AvenueCleveland, OH 44195 · Cuyahoga County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Colon & Rectal Surgery
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Nurse Practitioner
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Physician Assistant
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Internal Medicine (Gastroenterology)
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Internal Medicine (Gastroenterology)
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Internal Medicine (Gastroenterology)
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Nurse Practitioner
1221 MADISON ST STE 1220
SEATTLE, WA 98104
Internal Medicine (Gastroenterology)
1221 MADISON ST STE 1220
SEATTLE, WA 98104

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 Dian Chiang's NPI number?

The NPI number for Dian Chiang is 1982870127. It was assigned to this individual provider in the NPPES registry on May 7, 2008.

Where is Dian Chiang located?

Dian Chiang practices at 1221 Madison St Ste 1220, Seattle, WA 98104. The listed phone number is (206) 215-4250.

What is Dian Chiang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Dian Chiang enrolled in Medicare?

Yes. Dian Chiang 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.

What insurance does Dian Chiang accept?

Health plans from Oscar Insurance Corporation of Ohio and PacificSource Health Plans list Dian Chiang 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 Dian Chiang affiliated with any hospitals?

According to CMS data, Dian Chiang is affiliated with Cleveland Clinic.

When was this NPI record last updated?

The NPPES record for Dian Chiang was last updated on July 8, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.