NPPES file of Aug 9, 2026

Kaitlin Amanda Jones-Grilli, PA-C

Physician Assistant · Orange, CA

Kaitlin Amanda Jones-Grilli, PA-C is a physician assistant with a practice address in Orange, California, and NPI 1134611320, issued on Jun 4, 2018. Check the license (California PA55731, 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
1134611320
Name
Kaitlin Amanda Jones-Grilli
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA55731 CA
Self-reported in NPPES; status is on the state search
Practice location
363 S Main St Ste 485, Orange, CA 92868
Phone
(714) 835-4800
Enumerated
Jun 4, 2018
Record last updated
Jul 13, 2026
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 363 S Main St Ste 485

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

  1. Stavroula Otis, M.D.Hematology & Oncology Physician1477677557
  2. Sarah Schreiber, PAPhysician Assistant1750038113
  3. Hannah Son, PA-CMedical Physician Assistant1114774130
  4. Donna Valentine, PHYSICIAN ASSISTANTPhysician Assistant1801995410

Verify Kaitlin Amanda Jones-Grilli 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 PA55731
    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

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34% more Medicare Part D claims than the average physician assistant in 2024

1,109 Medicare Part D claims for 254 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 26 claims were for opioids.

  1. Kaitlin Jones-Grilli1,109
  2. Specialty average830

Most prescribed

  1. Anastrozole111 claims
  2. Eliquis78 claims
  3. Letrozole62 claims
  4. Hydroxyurea35 claims
  5. Prednisone35 claims
  6. Alendronate Sodium33 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $5,107.22

181 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Kaitlin Jones-Grilli$5,107.22
  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.

181 physician assistant records list a practice address in Orange

They are 181 of the 13,245 NPPES records with a practice address in Orange, and 14,451 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Kaitlin Amanda Jones-Grilli, PA-C's NPI number?

Kaitlin Amanda Jones-Grilli, PA-C's National Provider Identifier (NPI) is 1134611320, issued on Jun 4, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlin Amanda Jones-Grilli, PA-C located?

The NPPES record lists a practice address at 363 S Main St Ste 485, Orange, CA, 92868. Phone: (714) 835-4800. Providers update this record themselves, so call before visiting.

How can I verify Kaitlin Amanda Jones-Grilli, PA-C's license?

NPPES lists California license number PA55731, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kaitlin Amanda Jones-Grilli, PA-C prescribe under Medicare Part D?

In 2024, Kaitlin Amanda Jones-Grilli, PA-C had 1,109 Medicare Part D claims for 254 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.