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.
- 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
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 5555 Grossmont Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lori Alford, L.C.S.W.Clinical Social Worker1043463003
- Roshanak Alialy, MDAnatomic Pathology & Clinical Pathology Physician1730683160
- Kikelomo Aluko, MSN, APRN, PMHNP BCPsychiatric/Mental Health Nurse Practitioner1083584346
- Vian AmerPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972186609
Verify Katie Elizabeth McQuarrie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Cephalexin82 claims
- Hydrocodone-Acetaminophen72 claims
- Ciprofloxacin Hcl44 claims
- Ondansetron Odt42 claims
- Cefdinir40 claims
- 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.
All 14,451 in California → Every provider in La Mesa → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Julia Caputo, P.A.La Mesa, CA 919421063421386
- Gene Cordova, P.A.La Mesa, CA 919421447358908
- Kristin Elo, P.A.La Mesa, CA 919421164664306
- Silvie Georgens, PA-CLa Mesa, CA 919421538317110
- Gregory Allen Gunn, PA-CLa Mesa, CA 919421790971992
- Helene Jolly, PA-CLa Mesa, CA 919421619048451
- Randy Jones, PALa Mesa, CA 919421578508743
- 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.