Stephanie Klein
Physician Assistant · La Jolla, CA
Stephanie Klein is a physician assistant with a practice address in La Jolla, California, and NPI 1083151674, issued on Jan 20, 2017. Check the license (California 53918, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Klein
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 53918 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 554-1212
- Enumerated
- Jan 20, 2017
- Record last updated
- Jul 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (858) 247-3042
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
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Verify Stephanie Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
181 Medicare Part D claims for 59 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate11 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: $13.08
1 payment: food and beverage; the largest payer was Novo Nordisk 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.
Stephanie Klein among 14,451 physician assistant records in California
Stephanie Klein 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 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 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 Klein's NPI number?
Stephanie Klein's National Provider Identifier (NPI) is 1083151674, issued on Jan 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Klein located?
The NPPES record lists a practice address at 9850 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 554-1212. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Klein's license?
NPPES lists California license number 53918, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie Klein prescribe under Medicare Part D?
In 2024, Stephanie Klein had 181 Medicare Part D claims for 59 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.