Sydney Pfefer, ARNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

70049733 Issued in WA

Practice address

3620 Ensign Rd NE Ste B
Olympia, WA 98506-6957

Phone

(360) 884-0052

NPI assigned

Jun 13, 2025

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Vanderbilt University School of Medicine, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Olympia Health IncGroup PAC ID 7315312923, 5 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Centralia Hospital Hospital, Centralia, WA, CCN 500019
• Providence St Peter Hospital Hospital, Olympia, WA, CCN 500024

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Olympia Health Inc

  • Cardiovascular Disease Physician
  • Olympia, WA
  • NPI 1871297515
  Medicare reassignment Care Compare group NPD
• Public Hospital District No 1 of Mason County

  • Critical Access Hospital
  • Shelton, WA
  • NPI 1760568752
  Medicare reassignment NPD
• Public Hospital District No 1 of Mason County Wa

  • Clinic/Center
  • Shelton, WA
  • NPI 1316174774
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1346250594
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Centralia, WA
  • NPI 1376624981
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1619176997
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1749772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758672000000",
    "number": "1003702473",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6893 S NETHERLAND WAY",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800162602",
            "telephone_number": "303-501-5580"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3620 ENSIGN RD NE STE B",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985066957",
            "telephone_number": "360-884-0052"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PFEFER",
        "first_name": "SYDNEY",
        "credential": "ARNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-06-13",
        "last_updated": "2025-09-24",
        "certification_date": "2025-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "70049733",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brittany Brooke Petrie, DPT
• Petrina Gavrilis FNP-BC Arnp Family Health Care Services, LLC
• Megan Nicole Pettibone, PHARMD
• George Petzinger, M.D.
• Steve F Pfandl, MPT
• Ngoc-Diep Pham, PHARMD
• Trang Pham, DDS
• Teresa C Phelps Nelson, LMFT
• John Kenneth Phelps, PT, DPT
• Barbara C Phillips, NP

• Nurse Practitioner in Olympia, WA
• Providers in Olympia, WA by specialty
• Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.