NPPES file of Aug 9, 2026

Steven Decierdo Mock, PA-C

Physician Assistant · Olympia, WA

Steven Decierdo Mock, PA-C is a physician assistant with a practice address in Olympia, Washington, and NPI 1366727976, issued on Oct 14, 2011. Check the license (Washington PA60828004, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366727976
Name
Steven Decierdo Mock
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA60828004 WA
Self-reported in NPPES; status is on the state search
Practice location
3901 Capital Mall Dr SW Ste A, Olympia, WA 98502
Phone
(360) 570-3460
Enumerated
Oct 14, 2011
Record last updated
Jun 8, 2026
Fax
(360) 786-9010
Medicare enrollment
Enrolled (PECOS I20240706000257); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3901 Capital Mall Dr SW Ste A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Scott Adams, PACPhysician Assistant1558642066
  2. William Aman, PHYSICIAN ASSISTANTPhysician Assistant1821829904
  3. Trevor Barronian, MDOrthopaedic Surgery Physician1467868265
  4. David Brown, M.D.Sports Medicine (Family Medicine) Physician1831287010
  5. Gregory Byrd, MDOrthopaedic Hand Surgery Physician1992959746
  6. Kaley Capitano, DOFamily Medicine Physician1023578945

Verify Steven Decierdo Mock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PA60828004
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Olympia Orthopaedic Associates PLLCOlympia, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Decierdo Mock among 3,718 physician assistant records in Washington

Steven Decierdo Mock, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 36% of them.

  • NPI issued2011 · 36% of these records are older, 61% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2011 · median 2017 among the 2,460 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

108 physician assistant records list a practice address in Olympia

They are 108 of the 5,034 NPPES records with a practice address in Olympia, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. Scott Adams, PACOlympia, WA 985021558642066
  2. Jared Cornelison, PA-COlympia, WA 985021093068595
  3. Heather Cushing, PA-COlympia, WA 985021710937305
  4. Lawrence Hartford, PA-COlympia, WA 985021427014745
  5. Matthew Marshall, MPAS, PA-COlympia, WA 985021588924781
  6. Jamie Nixon, PA-COlympia, WA 985021619060431
  7. Lindsay Nourse, PA-COlympia, WA 985021568790384
  8. Alex Pittman, PT PA-COlympia, WA 985021881970200

Common questions

What is Steven Decierdo Mock, PA-C's NPI number?

Steven Decierdo Mock, PA-C's National Provider Identifier (NPI) is 1366727976, issued on Oct 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Steven Decierdo Mock, PA-C located?

The NPPES record lists a practice address at 3901 Capital Mall Dr SW Ste A, Olympia, WA, 98502. Phone: (360) 570-3460. Providers update this record themselves, so call before visiting.

How can I verify Steven Decierdo Mock, PA-C's license?

NPPES lists Washington license number PA60828004, 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.