John B. Bak, M.D.
Urology Physician · Lakewood, WA
John B. Bak, M.D. is a urology physician with a practice address in Lakewood, Washington, and NPI 1063413938, issued on Aug 2, 2005. Check the license (Washington MD00044997, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- John B. Bak
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- MD00044997 WA
Self-reported in NPPES; status is on the state search - Practice location
- 11307 Bridgeport Way SW Ste 217, Lakewood, WA 98499
- Phone
- (253) 985-6134
- Enumerated
- Aug 2, 2005
- Record last updated
- Nov 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (253) 985-6137
- Medicaid ID
- 7077449 WA
- Medicare enrollment
- Enrolled (PECOS I20050810000776); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 335 in Washington → Look up another NPI →
Verify John B. Bak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00044997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average urology physician in 2024
1,058 Medicare Part D claims for 377 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 27 claims were for opioids.
Most prescribed
- Tamsulosin Hcl294 claims
- Finasteride138 claims
- Ciprofloxacin Hcl79 claims
- Alfuzosin Hcl Er58 claims
- Sulfamethoxazole-Trimethoprim54 claims
- Oxybutynin Chloride36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Franciscan Medical GroupLakewood, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John B. Bak among 335 urology physician records in Washington
John B. Bak, M.D. is one of 335 urology physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1994 · median 2005 among the 224 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Washington
There are 335 urology physician records in Washington.
All 335 in Washington → Every provider in Lakewood → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Lawrence Vidrine, MDLakewood, WA 984991679559603
- Daniel Brown, M.D.Olympia, WA 985021043203771
- Paul Axford, MDTacoma, WA 984931922118959
- Mark Peckler, M.D.Olympia, WA 985051770511438
- Richard Greene, M.D.Olympia, WA 985061568610707
- Carter Le, MDOlympia, WA 985061851300131
- Pierre Mechali, M.D.Olympia, WA 985061528357274
- Patrick Murray, M.D.Olympia, WA 985061548606346
Common questions
What is John B. Bak, M.D.'s NPI number?
John B. Bak, M.D.'s National Provider Identifier (NPI) is 1063413938, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John B. Bak, M.D. located?
The NPPES record lists a practice address at 11307 Bridgeport Way SW Ste 217, Lakewood, WA, 98499. Phone: (253) 985-6134. Providers update this record themselves, so call before visiting.
How can I verify John B. Bak, M.D.'s license?
NPPES lists Washington license number MD00044997, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John B. Bak, M.D. prescribe under Medicare Part D?
In 2024, John B. Bak, M.D. had 1,058 Medicare Part D claims for 377 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.