Patrick Lassen, M.D.
NPI 1285632919 · Urology Physician · Longview, WA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Lassen, M.D. is a Urology Physician provider in Longview, WA (NPI 1285632919).
Provider details
- NPI number
- 1285632919
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD000037114 (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
1,246 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) |
|---|---|---|
| Urinalysis, Manual Test81002 | 338 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 238 | $128 |
| Simple Insertion of Temporary Bladder Tube51702 | 131 | $63 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 129 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $91 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 564 | 195 |
| Finasteride | 451 | 168 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 242 | 78 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 69 | 62 |
| Ciprofloxacin Hcl | 60 | 50 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 47 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2020-03-03
- Certified
- 2020-03-03
Frequently asked questions
- What is Patrick Lassen's NPI number?
- Patrick Lassen's National Provider Identifier (NPI) is 1285632919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Lassen's specialty?
- Patrick Lassen is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Lassen located?
- Patrick Lassen's practice location on file with NPPES is 625 9th Ave, Longview, WA 98632-2464.
- What is Patrick Lassen's phone number?
- The practice phone number listed in the NPPES registry for Patrick Lassen is (360) 636-8950.
- Does Patrick Lassen accept Medicare?
- Patrick Lassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Lassen's NPI active?
- Yes — Patrick Lassen's NPI (1285632919) is active in the NPPES registry as of the last update on 2020-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.