Active NPI 1881637742 Individual Practitioner Male Practitioner

Dr. Duane D. Webb , MD

Internal Medicine - Gastroenterology • Sequim, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Duane Webb, MD is a certified Internal Medicine - Gastroenterology practicing in Sequim, WA. With approximately 52 years of clinical experience since graduating from State University Of New York At Stony Brook, School Of Medicine in 1974, Dr. Webb delivers high-quality medical care to the local community at 840 N 5TH AVE STE 1500.

Dr. Webb maintains professional affiliations with Public Hospital Dist No 1 Skagit, Peacehealth and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

840 N 5th Ave Ste 1500

Sequim, WA 983823045

Telephone 3605650999

Fax 3605822841

Associated Practice Facility / Clinic

🏢 Olympic Medical Physicians Facility NPI 1427081967

Medicare Profile & Education

Medical School

State University Of New York At Stony Brook, School Of Medicine

Graduation Year

1974

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Gastroenterology in Sequim, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

52 Yrs Matches City Avg

City Avg: 52.0 Yrs

State Avg: 24.8 Yrs

Regional Practice Density

2 Specialists

Practicing in Sequim, WA (546 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

75.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Webb (52 Years) 52 Yrs

Sequim Specialty Average (52.0 Years) 52.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$117.00	$80.08
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	37	37	$702.41	$79.38
45380 Biopsy of large bowel using an endoscope	37	37	$816.32	$183.57
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$96.00	$64.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$60.00	$34.52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	18	$273.38	$127.08
99221 Initial hospital inpatient care per day, typically 30 minutes	16	16	$211.94	$80.17
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$642.71	$164.58
43249 Balloon dilation of esophagus using an endoscope	12	11	$1011.42	$135.63
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$76.00	$46.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$114.00	$82.38
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	25	$768.12	$88.67
45380 Biopsy of large bowel using an endoscope	23	23	$1004.91	$174.20
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$78.00	$47.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	33	33	$717.36	$88.45
99213 Established patient office or other outpatient visit, typically 15 minutes	28	24	$93.00	$67.34
45380 Biopsy of large bowel using an endoscope	26	26	$842.38	$173.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$303.53	$134.99
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$183.00	$82.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$123.93	$83.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	65	63	$708.00	$99.11
45380 Biopsy of large bowel using an endoscope	62	62	$834.00	$190.93
99213 Established patient office or other outpatient visit, typically 15 minutes	59	50	$93.00	$67.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$114.00	$84.15
G0500 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	24	24	$120.00	$5.46
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	19	$528.00	$107.55
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$650.00	$182.21
99442 Telephone medical discussion with physician, 11-20 minutes	18	17	$153.00	$93.21
99441 Telephone medical discussion with physician, 5-10 minutes	14	14	$93.00	$57.18
91110 Imaging of digestive tract done from the inside of the digestive tract	13	13	$949.00	$129.28
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$713.00	$187.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	80	80	$833.73	$196.13
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	70	69	$707.86	$90.55
99213 Established patient office or other outpatient visit, typically 15 minutes	34	28	$84.53	$52.60
G0500 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	25	25	$119.00	$5.71
99442 Telephone medical discussion with physician, 11-20 minutes	17	17	$147.35	$75.92
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$660.00	$183.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$122.06	$77.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$168.00	$132.61
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	13	13	$874.23	$248.81
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$650.00	$173.32
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$661.17	$195.81
43249 Balloon dilation of esophagus using an endoscope	11	11	$2108.00	$138.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$111.00	$80.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	95	90	$168.56	$77.95
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	58	58	$369.75	$72.93
99213 Established patient office or other outpatient visit, typically 15 minutes	48	47	$111.67	$52.70
45380 Biopsy of large bowel using an endoscope	41	41	$557.25	$167.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$274.75	$130.60
43249 Balloon dilation of esophagus using an endoscope	30	29	$374.00	$144.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$160.25	$77.08
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	19	19	$1167.00	$258.03
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$467.50	$193.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	246	188	$167.17	$77.60
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	183	178	$369.75	$83.20
45380 Biopsy of large bowel using an endoscope	146	146	$557.25	$180.92
99213 Established patient office or other outpatient visit, typically 15 minutes	117	92	$108.20	$50.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$279.49	$127.02
43249 Balloon dilation of esophagus using an endoscope	72	70	$374.00	$140.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	70	70	$160.25	$76.81
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	58	57	$1167.00	$263.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	46	$164.50	$78.65
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	42	42	$467.50	$190.64
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	35	35	$467.50	$190.96
45378 Diagnostic exam of large bowel using a flexible endoscope	34	34	$467.50	$191.99
99213 Established patient office or other outpatient visit, typically 15 minutes	28	28	$106.00	$51.40
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$293.75	$136.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$160.25	$76.58
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$314.25	$121.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	222	217	$369.75	$93.06
99213 Established patient office or other outpatient visit, typically 15 minutes	203	170	$106.31	$50.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	160	160	$160.86	$75.31
45380 Biopsy of large bowel using an endoscope	142	142	$557.25	$162.29
99213 Established patient office or other outpatient visit, typically 15 minutes	73	58	$105.00	$50.35
43249 Balloon dilation of esophagus using an endoscope	68	65	$374.00	$138.52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	50	49	$1167.00	$258.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$158.65	$75.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	36	$167.39	$76.11
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	35	35	$467.50	$184.30
45378 Diagnostic exam of large bowel using a flexible endoscope	33	33	$467.50	$183.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	32	$285.25	$135.16
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	29	29	$467.50	$186.48
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$314.25	$105.61
45381 Injection beneath lining of large bowel using a flexible endoscope	16	16	$529.50	$98.45
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$127.27	$49.15

Medical Specialties & State Licenses

CMS Verified: 2025-07-22

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

State License WA MD00046034

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.

Internal Medicine - Gastroenterology

NUCC Taxonomy Code: 207RG0100X

State License MT MED-PHYS-LIC-81016

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1881637742 (WA)

Hospital & Practice Group Affiliations

Public Hospital Dist No 1 Skagit

1400 E Kincaid St, Mount Vernon, WA 982744127

Phone: 3604282500

Peacehealth

4545 Cordata Pkwy, Bellingham, WA 982267264

Phone: 3607382200

Secondary Practice Locations

320 Sunnyview Ln

Kalispell, MT 599013129

Phone: 4067527441

1101 26th St S

Great Falls, MT 594055161

Phone: 4067318888

4545 Cordata Pkwy Ste 1b

Bellingham, WA 982267264

Phone: 3607525216

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Jinlin Brendel

Family Medicine

NPI 1003234113

Sarah Conway , LICSW

Social Worker

NPI 1013256726

Licensed Independent Clinical Social Worker

Dr. Joseph Wood , MD

Family Medicine

NPI 1013610005

Doctor of Medicine (M.D.)

Fallon Clancy , PA

Physician Assistant

NPI 1023580461

Physician Assistant

Matthew Kiddle , PA

Physician Assistant

NPI 1033528591

Physician Assistant

Dr. Byron Russell , MD

Urology

NPI 1043215809

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 29, 2022

Internal Medicine (License #MED-PHYS-LIC-81016 in MT)

✅

NPI Profile Active July 21, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location July 21, 2017

Registered at 840 N 5TH AVE STE 1500, SEQUIM, WA 983823045 (Tel: 3605650999)

📍

Updated Business Mailing Address July 21, 2017

Registered at PO BOX 850, PORT ANGELES, WA 983620146 (Tel: (360) 565-9237)

👤

Provider Name / Credentials Updated July 21, 2017

Recorded as DUANE WEBB, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2017

Internal Medicine (License #MD00046034 in WA)

✅

NPI Profile Active December 28, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location December 28, 2007

Registered at 700 NE 87TH AVE, VANCOUVER, WA 986641913 (Tel: 3603971500)

📍

Updated Business Mailing Address December 28, 2007

Registered at 700 NE 87TH AVE, VANCOUVER, WA 986641913 (Tel: 3603971500)

👤

Provider Name / Credentials Updated December 28, 2007

Recorded as DUANE WEBB, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 28, 2007

Internal Medicine (License #MD00046034 in WA)

🟢

Initial NPI Registration & Enumeration June 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1881637742

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 14, 2006

Last Update: July 22, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 850

Port Angeles, WA 983620146

Phone: 3605659237

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.