NPPES file of Aug 9, 2026

Allison Sessions Best, PA-C

Physician Assistant · San Bernardino, CA

Allison Sessions Best, PA-C is a physician assistant with a practice address in San Bernardino, California, and NPI 1063969293, issued on Sep 6, 2016. Check the license (California PA53584, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1063969293
Name
Allison Sessions Best
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA53584 CA
Self-reported in NPPES; status is on the state search
Practice location
355 E 21St St, San Bernardino, CA 92404
Phone
(909) 886-2609
Enumerated
Sep 6, 2016
Record last updated
Sep 6, 2016 (not updated in 10 years: call before relying on the address or phone)
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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8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Also registered at 355 E 21St St

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

  1. Sheldon Borson, PHARMDPharmacist1427818194
  2. Emily Bradford-Lewis, FNPFamily Nurse Practitioner1205958840
  3. Philip Chien, M.D.Pediatrics Physician1205885985
  4. Jo FlanaganSpecialist1376541037
  5. Marvin Fong, PHARM DPharmacist1134583487
  6. John Vo, M.D.Pediatrics Physician1851473557

Verify Allison Sessions Best 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 PA53584    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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Allison Sessions Best among 14,451 physician assistant records in California

Allison Sessions Best, 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 not. Its NPI, issued in 2016, is newer than 44% of them.

  • NPI issued2016 · 44% of these records are older, 53% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2016 · 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).

83 physician assistant records list a practice address in San Bernardino

They are 83 of the 5,645 NPPES records with a practice address in San Bernardino, and 14,451 physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 14,451 in California → Every provider in San Bernardino → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Silvia Barr, PA-CSan Bernardino, CA 924041245602259
  2. Brian Benson, PA-CSan Bernardino, CA 924041700943107
  3. William Boyle, PA-CSan Bernardino, CA 924041124053715
  4. Raymond Cervenka, PASan Bernardino, CA 924041497965529
  5. Deval Dave, PASan Bernardino, CA 924041013220458
  6. William Inciso, PA-C, PHDSan Bernardino, CA 924041407050289
  7. Amber Janson, PA-CSan Bernardino, CA 924041750753141
  8. Billy Kim, PA-CSan Bernardino, CA 924041285973859

Common questions

What is Allison Sessions Best, PA-C's NPI number?

Allison Sessions Best, PA-C's National Provider Identifier (NPI) is 1063969293, issued on Sep 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Allison Sessions Best, PA-C located?

The NPPES record lists a practice address at 355 E 21St St, San Bernardino, CA, 92404. Phone: (909) 886-2609. Providers update this record themselves, so call before visiting.

How can I verify Allison Sessions Best, PA-C's license?

NPPES lists California license number PA53584, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.