DR. CHRISTOPHER W. DUNCAN M.D.
NPI 1164457974
Internal Medicine - Gastroenterology in Burien, WA

Q: What is Christopher Duncan's NPI number?

The NPI number for Christopher Duncan is 1164457974. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Christopher Duncan's specialty?

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

Active since July 11, 2006PECOS EnrolledAccepts Medicare Assignment

16233 SYLVESTER RD SW, G-20, BURIEN, WA 98166(206) 431-9771(206) 431-5484 Get Directions Write a Review

NPPES record last updated: April 29, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Christopher W. Duncan M.d. NPPES

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

DR. CHRISTOPHER W. DUNCAN M.D. (NPI 1164457974) is an individual gastroenterology provider in Burien, Washington, licensed in Washington (MD00047577) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Highline Medical Center, and is a graduate of University Of Virginia School Of Medicine (2001).

NPPES Registry Identity

NPI1164457974

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. CHRISTOPHER W. DUNCANCredential: M.D.

Location Address16233 SYLVESTER RD SW, G-20Burien, WA 98166-3045

Mailing Address16233 Sylvester Rd Sw, G-20Burien, WA 98166-3045 · (206) 431-9771 · Fax (206) 431-5484

Phone(206) 431-9771

Fax(206) 431-5484

Sole ProprietorYes

Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2001

Enumeration DateJuly 11, 2006

Last NPPES UpdateApril 29, 2008

✔ NPI 1164457974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WA · MD00047577

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.

16233 SYLVESTER RD SW, Burien, WA 98166

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Other Identifiers 7

OtherP00454010WA · Rr Medicare

Other7932920WA · Aetna

Other219763WA · L&i

Other5236DUWA · Regence

Medicare UPINI73617WA

Medicaid1123967WA

Medicare PING8864907WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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. Christopher W. Duncan 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 ID6305942822

PECOS Enrollment IDI20070430000480

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 13

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 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.

83 services68 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.

82 services72 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.

60 services60 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

55 services52 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.

53 services51 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 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.

39 services39 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

15 services15 patients

Destruction of polyp or growth of large bowel using a flexible endoscope 45388

This procedure involves the removal of a polyp or growth in the large bowel. A flexible endoscope, a thin tube with a camera, is inserted through the rectum to visualize and remove the growth. This helps maintain bowel health and prevent complications.

14 services13 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

13 services13 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

12 services12 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

12 services12 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

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

St Joseph Medical Center

Acute Care Hospitals · Tacoma, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500108

Location1717 South J StreetTacoma, WA 98405 · Pierce County

Emergency services Birthing friendly

St Francis Community Hospital

Acute Care Hospitals · Federal Way, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500141

Location34515 9th Avenue SFederal Way, WA 98003 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98166 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.

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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.

MARGARET L LARSON ARNP PLLC

Family Medicine

16233 SYLVESTER RD SW, SUITE G30
BURIEN, WA 98166

King County (206) 244-5477

MATTHEW ALAN CHRISTIANSON

Pharmacist (Oncology)

16233 SYLVESTER RD SW, SUITE 110
BURIEN, WA 98166

King County (206) 988-5785

BONNIE J TAKASUGI MD

Internal Medicine (Hematology & Oncology)

16233 SYLVESTER RD SW, SUITE 110
BURIEN, WA 98166

King County (206) 241-2622

TUYET NGUYEN

Interpreter

16233 SYLVESTER RD SW
BURIEN, WA 98166

King County (206) 901-8980

BRIDGET SUNG PHARM.D

Pharmacist

16233 SYLVESTER RD SW
BURIEN, WA 98166

King County (206) 988-5714

KATELYN POWELL NP

Nurse Practitioner (Pediatrics)

16233 SYLVESTER RD SW
BURIEN, WA 98166

King County (203) 242-7822

GABOR KOVES MD

Internal Medicine

16233 SYLVESTER RD SW, SUITE G40
BURIEN, WA 98166

King County (206) 244-6625

NANCY C LOCKETT ARNP

Nurse Practitioner

16233 SYLVESTER RD SW, SUITE 230
BURIEN, WA 98166

King County (206) 242-7822

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 Duncan's NPI number?

The NPI number for Christopher Duncan is 1164457974. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Christopher Duncan located?

Christopher Duncan practices at 16233 Sylvester Rd SW G-20, Burien, WA 98166. The listed phone number is (206) 431-9771.

What is Christopher Duncan's specialty?

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

Is Christopher Duncan enrolled in Medicare?

Yes. Christopher Duncan 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 Christopher Duncan accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Christopher Duncan 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 Christopher Duncan affiliated with any hospitals?

According to CMS data, Christopher Duncan is affiliated with Highline Medical Center, St Joseph Medical Center and St Francis Community Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Duncan was last updated on April 29, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.