John Bak, M.D.
NPI 1063413938 · Urology Physician · Lakewood, WA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Bak, M.D. is a Urology Physician provider in Lakewood, WA (NPI 1063413938).
Provider details
- NPI number
- 1063413938
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00044997 (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
1,090 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 267 | $126 |
| Urinalysis, Manual Test81002 | 161 | $3 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 143 | $235 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $89 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 76 | $164 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 294 | 103 |
| Finasteride | 138 | 50 |
| Ciprofloxacin Hcl | 79 | 72 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 58 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 54 | 46 |
| Oxybutynin Chloride | 36 | 11 |
| Mirabegronbrand: Myrbetriq | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2020-11-24
- Certified
- 2020-11-24
Frequently asked questions
- What is John Bak's NPI number?
- John Bak's National Provider Identifier (NPI) is 1063413938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Bak's specialty?
- John Bak is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Bak located?
- John Bak's practice location on file with NPPES is 11307 Bridgeport Way Sw Ste 217, Lakewood, WA 98499-3024.
- What is John Bak's phone number?
- The practice phone number listed in the NPPES registry for John Bak is (253) 985-6134.
- Does John Bak accept Medicare?
- John Bak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Bak's NPI active?
- Yes — John Bak's NPI (1063413938) is active in the NPPES registry as of the last update on 2020-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.