Gregory Allen O. Gunn, PA-C
Physician Assistant · La Mesa, CA
Gregory Allen O. Gunn, PA-C is a physician assistant with a practice address in La Mesa, California, and NPI 1790971992, issued on Sep 20, 2007. Check the license (California PA19343, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Allen O. Gunn
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA19343 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5555 Grossmont Center Dr, La Mesa, CA 91942
- Phone
- (619) 740-5014
- Enumerated
- Sep 20, 2007
- Record last updated
- Mar 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (619) 740-4213
- 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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- Kikelomo Aluko, MSN, APRN, PMHNP BCPsychiatric/Mental Health Nurse Practitioner1083584346
- Vian AmerPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972186609
Verify Gregory Allen O. Gunn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
31 Medicare Part D claims for 12 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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: $1,542.20
22 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Allen O. Gunn among 14,451 physician assistant records in California
Gregory Allen O. Gunn, 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% 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
- Helene Jolly, PA-CLa Mesa, CA 919421619048451
- Randy Jones, PALa Mesa, CA 919421578508743
- Sean Lynch, PA-CLa Mesa, CA 919421366672040
- Michael McMullen, PA-CLa Mesa, CA 919421194826230
Common questions
What is Gregory Allen O. Gunn, PA-C's NPI number?
Gregory Allen O. Gunn, PA-C's National Provider Identifier (NPI) is 1790971992, issued on Sep 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Allen O. Gunn, PA-C located?
The NPPES record lists a practice address at 5555 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (619) 740-5014. Providers update this record themselves, so call before visiting.
How can I verify Gregory Allen O. Gunn, PA-C's license?
NPPES lists California license number PA19343, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Allen O. Gunn, PA-C prescribe under Medicare Part D?
In 2024, Gregory Allen O. Gunn, PA-C had 31 Medicare Part D claims for 12 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.