Steven Decierdo Mock, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA60828004 Issued in WA

Practice address

3901 Capital Mall Dr SW Ste a
Olympia, WA 98502-8654

Phone

(360) 570-3460

Fax

(360) 786-9010

NPI assigned

Oct 14, 2011

Sex

Male

Sole proprietor

No

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

Physician Assistant

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Olympia Orthopaedic Associates PLLCGroup PAC ID 2365337508, 87 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: steven.mock.1@5512.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/5512/brand/1/csg/1/fhir/r4

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 Orthopaedic Associates PLLC

  • Ambulatory Surgical Clinic/Center
  • Olympia, WA
  • NPI 1083785398
  Medicare reassignment Care Compare group NPD
• Multicare Health System

  • Neurological Surgery Physician
  • Tacoma, WA
  • NPI 1497766638
  Medicare reassignment
• Multicare Health System

  • Community/Retail Pharmacy
  • Spokane, WA
  • NPI 1396594875
  NPD
• Multicare Health System

  • General Practice Physician
  • Tacoma, WA
  • NPI 1881633998
  NPD
• Olympia Orthopaedic Associates, PLLC

  • Durable Medical Equipment & Medical Supplies
  • Centralia, WA
  • NPI 1134089576
  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
  • Olympia, WA
  • NPI 1619176997
  Care Compare affiliation

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

{
    "created_epoch": "1318550400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1366727976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 368",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985070368",
            "telephone_number": "360-455-5144",
            "fax_number": "360-491-7536"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3901 CAPITAL MALL DR SW STE A",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985028654",
            "telephone_number": "360-570-3460",
            "fax_number": "360-786-9010"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3901 Capital Mall Dr SW Ste B",
            "address_purpose": "LOCATION",
            "city": "Olympia",
            "state": "WA",
            "postal_code": "985028654",
            "country_code": "US",
            "telephone_number": "360-528-8571",
            "fax_number": "360-528-8562",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOCK",
        "first_name": "STEVEN",
        "middle_name": "DECIERDO",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-10-14",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WA",
            "license": "PA60828004",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hailey Mariah Mixson
• Naomi Miya-Kaposztas, LMP
• Sachiko Miyagi-Hack, INTERPRETER
• Arthur Clarence Mize, L.M.H.C.
• Lorena Mize, MS, SUDP, LMHCA
• Raymond A. Moeller, M.D.
• Sayyed Arash Jalali Moghaddam, M.D.
• Lul Mohamud
• Maya Mohan
• Andrea C Mohrle, MSPT JSCC

• Physician Assistant in Olympia, WA
• Providers in Olympia, WA by specialty
• Physician Assistant in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 2026; 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.