John G. Sislow, M.D.
Urology Physician · Walla Walla, WA
John G. Sislow, M.D. is a urology physician with a practice address in Walla Walla, Washington, and NPI 1245204007, issued on Feb 16, 2006. Check the license (Washington MD00021765, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John G. Sislow
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- MD00021765 WA
Self-reported in NPPES; status is on the state search - Practice location
- 55 W Tietan St, Walla Walla, WA 99362
- Phone
- (509) 525-3720
- Enumerated
- Feb 16, 2006
- Record last updated
- Nov 27, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (509) 522-1573
- Medicaid IDs
- 8130346 WA
98608 OR - Entity
- Type 1 · individual
8 nearest urology physician records → All 335 in Washington → Look up another NPI →
Also registered at 55 W Tietan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Andrews, MDInternal Medicine Physician1174513873
- Shirley Ashley, MDPediatrics Physician1922083195
- Eric Ball, M.D.Internal Medicine Physician1275507485
- Thomas Ballard, MDDiagnostic Radiology Physician1750360012
- Theodore Bergstrom, M.D.Pediatrics Physician1598739716
- Barbara Blankenship, M.D.Diagnostic Radiology Physician1356305262
Verify John G. Sislow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00021765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John G. Sislow among 335 urology physician records in Washington
John G. Sislow, 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 not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 53% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 335 in Washington → Every provider in Walla Walla → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- David Hutton, MDWalla Walla, WA 993621932113347
- Jason Sedarsky, M.D.Walla Walla, WA 993621689985822
- Naeem Chavla, M.D.Richland, WA 993521528090032
- Fred Foss, M.D.Richland, WA 993521437143179
- Patrick Gavin, D.O.Richland, WA 993521861620627
- Kacey Provenzano, M.D.Richland, WA 993521740523158
- Julio Slongo, M.D.Richland, WA 993521952797763
- David Vance, M.D.Richland, WA 993521326261637
Common questions
What is John G. Sislow, M.D.'s NPI number?
John G. Sislow, M.D.'s National Provider Identifier (NPI) is 1245204007, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John G. Sislow, M.D. located?
The NPPES record lists a practice address at 55 W Tietan St, Walla Walla, WA, 99362. Phone: (509) 525-3720. Providers update this record themselves, so call before visiting.
How can I verify John G. Sislow, M.D.'s license?
NPPES lists Washington license number MD00021765, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.