Sydney Pfefer, ARNP
Nurse Practitioner · Olympia, WA
Sydney Pfefer, ARNP is a nurse practitioner with a practice address in Olympia, Washington, and NPI 1003702473, issued on Jun 13, 2025. Check the license (Washington 70049733, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydney Pfefer
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 70049733 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3620 Ensign RD NE Ste B, Olympia, WA 98506
- Phone
- (360) 884-0052
- Enumerated
- Jun 13, 2025
- Record last updated
- Sep 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20251105004174); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2025
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,308 in Washington → Look up another NPI →
Also registered at 3620 Ensign RD NE Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sydney Pfefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 70049733Check 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
- Olympia Health IncOlympia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney Pfefer among 2,308 nurse practitioner records in Washington
Sydney Pfefer, ARNP is one of 2,308 nurse practitioner records with a practice address in Washington. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 95% of them.
- NPI issued2025 · 95% of these records are older, 1% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2025 · median 2018 among the 1,301 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 nurse practitioner records list a practice address in Olympia
They are 66 of the 5,034 NPPES records with a practice address in Olympia, and 2,308 nurse practitioner records in Washington.
All 2,308 in Washington → Every provider in Olympia → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Teresa Anders, A.R.N.P.Olympia, WA 985061508920505
- Jeannette Davis, ARNPOlympia, WA 985061043211915
- Lynne Dearing, ARNPOlympia, WA 985061538121157
- Joung Evans, ARNPOlympia, WA 985061689726317
- Ruby Franklin, A.R.N.P.Olympia, WA 985061851437263
- Mary Haw, ARNPOlympia, WA 985061083704621
- Martha Henderson, ARNPOlympia, WA 985061407907157
- Sandra Kalla, A.R.N.P.Olympia, WA 985061144371089
Common questions
What is Sydney Pfefer, ARNP's NPI number?
Sydney Pfefer, ARNP's National Provider Identifier (NPI) is 1003702473, issued on Jun 13, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Pfefer, ARNP located?
The NPPES record lists a practice address at 3620 Ensign RD NE Ste B, Olympia, WA, 98506. Phone: (360) 884-0052. Providers update this record themselves, so call before visiting.
How can I verify Sydney Pfefer, ARNP's license?
NPPES lists Washington license number 70049733, 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.