Robert Sudduth, M.D.
NPI 1184651192 · Gastroenterology Physician · Silverdale, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Sudduth, M.D. is a Gastroenterology Physician provider in Silverdale, WA (NPI 1184651192).
Provider details
- NPI number
- 1184651192
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00025993 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
776 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| 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 MonitoG0500 | 293 | $5 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 142 | $244 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 79 | $176 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 66 | $175 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mercaptopurine | 42 | — |
| Mesalamine | 38 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 37 | 36 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 33 | 33 |
| Sulfasalazine | 31 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 27 | 26 |
| Ustekinumabbrand: Stelara | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$212 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2023-03-07
- Certified
- 2022-02-15
Frequently asked questions
- What is Robert Sudduth's NPI number?
- Robert Sudduth's National Provider Identifier (NPI) is 1184651192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sudduth's specialty?
- Robert Sudduth is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sudduth located?
- Robert Sudduth's practice location on file with NPPES is 2200 Nw Myhre Rd, Silverdale, WA 98383-7681.
- What is Robert Sudduth's phone number?
- The practice phone number listed in the NPPES registry for Robert Sudduth is (360) 830-1205.
- Does Robert Sudduth accept Medicare?
- Robert Sudduth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Sudduth's NPI active?
- Yes — Robert Sudduth's NPI (1184651192) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.