Stephanie Ann Deflavio, PA
Physician Assistant · La Jolla, CA
Stephanie Ann Deflavio, PA is a physician assistant with a practice address in La Jolla, California, and NPI 1336495340, issued on Jul 27, 2012. Check the license (California PA53419, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Ann Deflavio
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA53419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9434 Medical Center Dr, La Jolla, CA 92037
- Phone
- (800) 926-8273
- Enumerated
- Jul 27, 2012
- Record last updated
- Nov 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20170728002981); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 9434 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicolas ChanesStudent in an Organized Health Care Education/Training Program1508554692
- Larry Crutcher, RNCritical Care Medicine Registered Nurse1528910262
- Yusi Gong, MDInternal Medicine Physician1902543200
- Kristen Herzik, PHARM.DPharmacist1073395729
Verify Stephanie Ann Deflavio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA53419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
137 Medicare Part D claims for 66 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 45 claims were for opioids.
Most prescribed
- Oxycodone Hcl32 claims
- Furosemide12 claims
- Gabapentin12 claims
- Vancomycin Hcl12 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: $217.09
8 payments; by number, the most common kind was food and beverage; the largest payer was Getinge USA Sales, LLC. 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Ann Deflavio among 14,451 physician assistant records in California
Stephanie Ann Deflavio, PA 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 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 65% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2012 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 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).
136 physician assistant records list a practice address in La Jolla
They are 136 of the 3,648 NPPES records with a practice address in La Jolla, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in La Jolla → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Heather Bonaguidi, P.A.La Jolla, CA 920371669458691
- Abha Bosworth, PALa Jolla, CA 920371629067053
- Daniel Collins, P.A.La Jolla, CA 920371548247158
- Doris Elias, P.A.La Jolla, CA 920371457338089
- Karen Fetzer, P.A.-C.La Jolla, CA 920371063490761
- Susan Gilroy, P.A.-C.La Jolla, CA 920371992783575
- Madonna Guzman, P.A.-C.La Jolla, CA 920371871571455
- Christy Kerr, P.A.-C.La Jolla, CA 920371184602336
Common questions
What is Stephanie Ann Deflavio, PA's NPI number?
Stephanie Ann Deflavio, PA's National Provider Identifier (NPI) is 1336495340, issued on Jul 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Ann Deflavio, PA located?
The NPPES record lists a practice address at 9434 Medical Center Dr, La Jolla, CA, 92037. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Ann Deflavio, PA's license?
NPPES lists California license number PA53419, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie Ann Deflavio, PA prescribe under Medicare Part D?
In 2024, Stephanie Ann Deflavio, PA had 137 Medicare Part D claims for 66 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.