Mark Sikora
Social Worker · Yakima, WA
Mark Sikora is a social worker with a practice address in Yakima, Washington, and NPI 1518017904, issued on Jan 10, 2007. Check the license (Washington LW00004500, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Sikora
- Primary taxonomy
- Social Worker 104100000X
- License number
- LW00004500 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5107 Boulder Way, Yakima, WA 98901
- Phone
- (509) 966-7953
- Enumerated
- Jan 10, 2007
- Record last updated
- Feb 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 2029759 WA
- Entity
- Type 1 · individual
8 nearest social worker records → All 2,141 in Washington → Look up another NPI →
Verify Mark Sikora in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW00004500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Sikora among 2,141 social worker records in Washington
Mark Sikora is one of 2,141 social worker records with a practice address in Washington. 5% 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 2007, is newer than 5% of them.
- NPI issued2007 · 5% of these records are older, 90% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2014 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 social worker records list a practice address in Yakima
They are 76 of the 3,970 NPPES records with a practice address in Yakima, and 2,141 social worker records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,141 in Washington → Every provider in Yakima → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Teresa BriscoeYakima, WA 989011831397975
- Diane CamposYakima, WA 989011376741314
- Eve Hudson, MSW, LICSWYakima, WA 989011740802701
- Melissa Moreland, CDPTYakima, WA 989011083874085
- Jaime OlguinYakima, WA 989011477109155
- Bacilio Padilla, LICSWYakima, WA 989011811057243
- Cindy VerduzcoYakima, WA 989011689483877
- Kathy BreeseYakima, WA 989021760725857
Common questions
What is Mark Sikora's NPI number?
Mark Sikora's National Provider Identifier (NPI) is 1518017904, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Sikora located?
The NPPES record lists a practice address at 5107 Boulder Way, Yakima, WA, 98901. Phone: (509) 966-7953. Providers update this record themselves, so call before visiting.
How can I verify Mark Sikora's license?
NPPES lists Washington license number LW00004500, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.