Gregory Lance Ostergaard, M.S.W., L.C.S.W.
Social Worker · Seattle, WA
Gregory Lance Ostergaard, M.S.W., L.C.S.W. is a social worker with a practice address in Seattle, Washington, and NPI 1952596512, issued on Sep 7, 2007. Check the license (Washington LW00004305, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Lance Ostergaard
- Credential
- M.S.W., L.C.S.W.
- Primary taxonomy
- Social Worker 104100000X
- License number
- LW00004305 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 2ND Ave West, Seattle, WA 98119
- Phone
- (206) 283-3374
- Enumerated
- Sep 7, 2007
- Record last updated
- Jan 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20151007003119); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1979
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest social worker records → All 2,141 in Washington → Look up another NPI →
Verify Gregory Lance Ostergaard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW00004305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Moss And OstergaardSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Lance Ostergaard among 2,141 social worker records in Washington
Gregory Lance Ostergaard, M.S.W., L.C.S.W. 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. Its NPI, issued in 2007, is newer than 5% of them.
- NPI issued2007 · 5% of these records are older, 90% newer
- In a Medicare fileYes · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated1979 · median 2014 among the 165 with a school on file
- Record last updated2023 · 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).
468 social worker records list a practice address in Seattle
They are 468 of the 41,956 NPPES records with a practice address in Seattle, and 2,141 social worker records in Washington.
All 2,141 in Washington → Every provider in Seattle → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Anthony Bruner, MSWSeattle, WA 981191265760748
- Marianne Pettersen, MSW LICSWSeattle, WA 981191477605343
- Rehema Abdi, MSWSeattle, WA 981181679878573
- Bailey Apon, MSW, CSWASeattle, WA 981181912675521
- Alisa DoSeattle, WA 981181619305299
- Alyssa Everitt, RD, MSW, LSWAICSeattle, WA 981181003669516
- Jennifer Kimball, MSWSeattle, WA 981181548567084
- Gregory LewisSeattle, WA 981181497136543
Common questions
What is Gregory Lance Ostergaard, M.S.W., L.C.S.W.'s NPI number?
Gregory Lance Ostergaard, M.S.W., L.C.S.W.'s National Provider Identifier (NPI) is 1952596512, issued on Sep 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Lance Ostergaard, M.S.W., L.C.S.W. located?
The NPPES record lists a practice address at 1520 2ND Ave West, Seattle, WA, 98119. Phone: (206) 283-3374. Providers update this record themselves, so call before visiting.
How can I verify Gregory Lance Ostergaard, M.S.W., L.C.S.W.'s license?
NPPES lists Washington license number LW00004305, 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. 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.