Physician Profile
Unclaimed ProfileAbout WEBB
Based in Sequim, WA, Duane D. Webb, MD is listed in the NPI registry under gastroenterology. Duane graduated from State University of New York at Stony Brook, School of Medicine in 1974. According to Medicare claims data, Duane cared for 230 Medicare patients across 235 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (360) 565-0999
- Email not available
Practice Locations
840 N 5TH AVE STE 1500
Sequim, WA 98382
Procedures Most Often Billed to Medicare
235 services · 230 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
37 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
37 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
12 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
44 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
19 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
19 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
16 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
14 |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at State University of New York at Stony Brook, School of Medicine 5
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in WA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Webb?
Dr. Webb is a gastroenterology in Sequim, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Webb's address?
Dr. Webb is listed at 840 N 5TH AVE STE 1500, Sequim, WA 98382. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Webb?
The number on file is (360) 565-0999. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Webb's NPI number?
Dr. Webb's National Provider Identifier is 1881637742. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Webb train?
Dr. Webb attended State University of New York at Stony Brook, School of Medicine, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Webb been practicing?
Dr. Webb has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Webb perform?
According to Medicare billing data, Dr. Webb performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Webb confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Webb. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.