Loren Larson, M.D.
NPI 1861550766 · Orthopaedic Surgery Physician · Port Angeles, WA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loren Larson, M.D. is a Orthopaedic Surgery Physician provider in Port Angeles, WA (NPI 1861550766).
Provider details
- NPI number
- 1861550766
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00048249 (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
1,318 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 335 | $52 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $95 |
| X-Ray of Knee, 4 Or More Views73564 | 164 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 123 | $65 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 75 | $53 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2017-10-03
Frequently asked questions
- What is Loren Larson's NPI number?
- Loren Larson's National Provider Identifier (NPI) is 1861550766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loren Larson's specialty?
- Loren Larson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Loren Larson located?
- Loren Larson's practice location on file with NPPES is 907 Georgiana St, Port Angeles, WA 98362-3911.
- What is Loren Larson's phone number?
- The practice phone number listed in the NPPES registry for Loren Larson is (360) 565-0999.
- Does Loren Larson accept Medicare?
- Loren Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loren Larson's NPI active?
- Yes — Loren Larson's NPI (1861550766) is active in the NPPES registry as of the last update on 2017-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.