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Edit this profileAt a glance
- 625 9Th Ave, Suite 120, Longview, WA 98632
About Dr. Lassen
Patrick M. Lassen, M.D. is a healthcare provider in Longview, WA specializing in urology. Patrick trained at Oregon Health Sciences University School of Medicine, graduating in 1990. Medicare claims data shows Patrick provided 1,246 services to 914 patients. The services billed most often include urinalysis, manual test, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and simple insertion of temporary bladder tube. This provider record is associated with NPI 1285632919.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (360) 636-8950
- Email not available
Practice Locations
625 9TH AVE SUITE 120
Longview, WA 98632
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
- Bladder cancer
- Interstitial cystitis and bladder pain syndrome
- Urethral stricture
Kidney and ureter
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
- Elevated PSA
- Enlarged prostate
- Prostatitis
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
Men's health
- Chronic Pelvic Pain in Men
Urinary symptoms
Procedures & services
Most searched procedures
- Circumcision
- Cystoscopy
- Kidney stone removal
- Prostatectomy
- Vasectomy
Office diagnosis
- MRI-targeted fusion prostate biopsy
- Prostate biopsy
Bladder procedures
- Artificial Urinary Sphincter Implant
- Bladder Botox Injection
- Bladder instillation therapy
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
Diagnostic imaging
- Prostate Ultrasound
Kidney & ureter procedures
- Ureteral Stent Removal
Kidney and ureter surgery
- Partial kidney removal
- Radical kidney removal
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
- GreenLight Laser Prostate Surgery
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
- Ureteral stent placement
Procedures Most Often Billed to Medicare
1,246 services · 914 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Simple insertion of temporary bladder tube | Procedure | 51702 |
131 | More than most peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
129 | As often as other peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
94 | More often than most peers in Urology |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
23 | More often than most peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
11 | Less often than most peers in Urology |
| Imaging of urinary tract following injection of a contrast agent | Imaging | 74420 |
31 | As often as other peers in Urology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
13 | Less often than most peers in Urology |
| Urinalysis, manual test | Lab test | 81002 |
338 | More often than most peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
238 | As often as other peers in Urology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
105 | As often as other peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urologists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Oregon Health Sciences University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Simple insertion of temporary bladder tube 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Patrick M. Lassen specialize in?
Patrick M. Lassen is an urologist in Longview, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Patrick M. Lassen located?
Patrick M. Lassen is listed at 625 9Th Ave Suite 120, Longview, WA 98632. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Patrick M. Lassen's phone number?
The number on file is (360) 636-8950. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Patrick M. Lassen?
Patrick M. Lassen's National Provider Identifier is 1285632919. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Patrick M. Lassen train?
Patrick M. Lassen attended Oregon Health Sciences University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Patrick M. Lassen have?
Patrick M. Lassen has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Patrick M. Lassen do most often?
According to Medicare billing data, Patrick M. Lassen performs procedures including simple insertion of temporary bladder tube, ultrasound measurement of bladder capacity after voiding and diagnostic exam of bladder and urethra using an endoscope; reads or performs imaging such as imaging of urinary tract following injection of a contrast agent and ultrasonic guidance for needle placement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Patrick M. Lassen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Patrick M. Lassen. If this is you, claiming it is free.
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