NPPES file of Aug 9, 2026

Shannon Sullivan Smithson, PA-C

Physician Assistant · Seaside, CA

Shannon Sullivan Smithson, PA-C is a physician assistant with a practice address in Seaside, California, and NPI 1154603264, issued on Sep 14, 2011. Check the license (California 21852, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154603264
Name
Shannon Sullivan Smithson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
21852 CA
Self-reported in NPPES; status is on the state search
Practice location
1513 Fremont Blvd Ste E1, Seaside, CA 93955
Phone
(831) 899-1910
Enumerated
Sep 14, 2011
Record last updated
Apr 30, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(831) 393-9483
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1513 Fremont Blvd Ste E1

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

  1. Emeri PalacioPhysician Assistant1972294098
  2. Justin Wolfe, PA-CPhysician Assistant1679935589
  3. Talal Zahoor, MDInternal Medicine Physician1912352162

Verify Shannon Sullivan Smithson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 21852
    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 California 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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Industry payments in 2024: $23.29

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shannon Smithson$23.29
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Shannon Sullivan Smithson among 14,451 physician assistant records in California

Shannon Sullivan Smithson, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% 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 30% of them.

  • NPI issued2011 · 30% of these records are older, 67% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2019 · 40% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 physician assistant records list a practice address in Seaside

They are 7 of the 264 NPPES records with a practice address in Seaside, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Therese AuzaSeaside, CA 939551831950252
  2. Katelyn Cassibba, PA-CSeaside, CA 939551790460715
  3. Alexa Lodolo, PA-CSeaside, CA 939551831969138
  4. Emeri PalacioSeaside, CA 939551972294098
  5. Justin Wolfe, PA-CSeaside, CA 939551679935589
  6. Annalyn Ynostroza, PA-CSeaside, CA 939551457188310
  7. Irma Favela-Slater, PACSoledad, CA 939601154348076
  8. Robert Krochalis-Soliani, PA-CSoledad, CA 939601366452260

Common questions

What is Shannon Sullivan Smithson, PA-C's NPI number?

Shannon Sullivan Smithson, PA-C's National Provider Identifier (NPI) is 1154603264, issued on Sep 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Sullivan Smithson, PA-C located?

The NPPES record lists a practice address at 1513 Fremont Blvd Ste E1, Seaside, CA, 93955. Phone: (831) 899-1910. Providers update this record themselves, so call before visiting.

How can I verify Shannon Sullivan Smithson, PA-C's license?

NPPES lists California license number 21852, as entered by the provider. Search the California 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.