NPPES file of Aug 9, 2026

Katie Elizabeth McQuarrie, PA-C

Physician Assistant · La Mesa, CA

Katie Elizabeth McQuarrie, PA-C is a physician assistant with a practice address in La Mesa, California, and NPI 1710367669, issued on Jun 5, 2015. Check the license 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
1710367669
Name
Katie Elizabeth McQuarrie
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
5555 Grossmont Center Dr, La Mesa, CA 91942
Phone
(989) 992-6879
Enumerated
Jun 5, 2015
Record last updated
Mar 6, 2017 (not updated in 9 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.
Download card Updates feed

Also registered at 5555 Grossmont Center Dr

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

  1. Paul Abou, MDInternal Medicine Physician1033264882
  2. Mohammed Al-Janabi, M.D.Pulmonary Disease Physician1760773725
  3. Lori Alford, L.C.S.W.Clinical Social Worker1043463003
  4. Roshanak Alialy, MDAnatomic Pathology & Clinical Pathology Physician1730683160
  5. Kikelomo Aluko, MSN, APRN, PMHNP BCPsychiatric/Mental Health Nurse Practitioner1083584346
  6. Vian AmerPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972186609

Verify Katie Elizabeth McQuarrie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

29% fewer Medicare Part D claims than the average physician assistant in 2024

587 Medicare Part D claims for 415 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 100 claims were for opioids.

  1. Katie McQuarrie587
  2. Specialty average830

Most prescribed

  1. Cephalexin82 claims
  2. Hydrocodone-Acetaminophen72 claims
  3. Ciprofloxacin Hcl44 claims
  4. Ondansetron Odt42 claims
  5. Cefdinir40 claims
  6. Tramadol Hcl20 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.

Katie Elizabeth McQuarrie among 14,451 physician assistant records in California

Katie Elizabeth McQuarrie, 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 2015, is newer than 41% of them.

  • NPI issued2015 · 41% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2017 · 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).

57 physician assistant records list a practice address in La Mesa

They are 57 of the 2,168 NPPES records with a practice address in La Mesa, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Julia Caputo, P.A.La Mesa, CA 919421063421386
  2. Gene Cordova, P.A.La Mesa, CA 919421447358908
  3. Kristin Elo, P.A.La Mesa, CA 919421164664306
  4. Silvie Georgens, PA-CLa Mesa, CA 919421538317110
  5. Gregory Allen Gunn, PA-CLa Mesa, CA 919421790971992
  6. Helene Jolly, PA-CLa Mesa, CA 919421619048451
  7. Randy Jones, PALa Mesa, CA 919421578508743
  8. Sean Lynch, PA-CLa Mesa, CA 919421366672040

Common questions

What is Katie Elizabeth McQuarrie, PA-C's NPI number?

Katie Elizabeth McQuarrie, PA-C's National Provider Identifier (NPI) is 1710367669, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katie Elizabeth McQuarrie, PA-C located?

The NPPES record lists a practice address at 5555 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (989) 992-6879. Providers update this record themselves, so call before visiting.

How can I verify Katie Elizabeth McQuarrie, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katie Elizabeth McQuarrie, PA-C prescribe under Medicare Part D?

In 2024, Katie Elizabeth McQuarrie, PA-C had 587 Medicare Part D claims for 415 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.