Otto Lin, MD
NPI 1841302650 · Gastroenterology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Otto Lin, MD is a Gastroenterology Physician provider in Seattle, WA (NPI 1841302650).
Provider details
- NPI number
- 1841302650
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00039421 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
341 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 61 | $143 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 57 | $265 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 40 | $112 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 39 | $185 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 188 | 179 |
| Omeprazole | 98 | 29 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 87 | 85 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 78 | 76 |
| Pantoprazole Sodium | 35 | 11 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 33 | 32 |
| Sodium Chloride/Nahco3/Kcl/Peg |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2012-11-16
Frequently asked questions
- What is Otto Lin's NPI number?
- Otto Lin's National Provider Identifier (NPI) is 1841302650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Otto Lin's specialty?
- Otto Lin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Otto Lin located?
- Otto Lin's practice location on file with NPPES is 1100 9th Ave, Seattle, WA 98101-2756.
- What is Otto Lin's phone number?
- The practice phone number listed in the NPPES registry for Otto Lin is (206) 223-6600.
- Does Otto Lin accept Medicare?
- Otto Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Otto Lin's NPI active?
- Yes — Otto Lin's NPI (1841302650) is active in the NPPES registry as of the last update on 2012-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.