Murray Larsen, MD
NPI 1568451102 · Gastroenterology Physician · Clarkston, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Murray Larsen, MD is a Gastroenterology Physician provider in Clarkston, WA (NPI 1568451102).
Provider details
- NPI number
- 1568451102
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00029346 (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
20 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
1,296 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) |
|---|---|---|
| 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 | 571 | $5 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 253 | $131 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 128 | $61 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 112 | $119 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 105 | $245 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-17
- Last updated
- 2024-01-29
- Certified
- 2024-01-03
Frequently asked questions
- What is Murray Larsen's NPI number?
- Murray Larsen's National Provider Identifier (NPI) is 1568451102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Murray Larsen's specialty?
- Murray Larsen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Murray Larsen located?
- Murray Larsen's practice location on file with NPPES is 625 6th St, Clarkston, WA 99403-2010.
- What is Murray Larsen's phone number?
- The practice phone number listed in the NPPES registry for Murray Larsen is (509) 758-2200.
- Does Murray Larsen accept Medicare?
- Murray Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Murray Larsen's NPI active?
- Yes — Murray Larsen's NPI (1568451102) is active in the NPPES registry as of the last update on 2024-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.