Karen Lea Arnold, P.A.
Physician Assistant · West Hills, CA
Karen Lea Arnold, P.A. is a physician assistant with a practice address in West Hills, California, and NPI 1407886070, issued on Jul 3, 2006. Check the license (California PA17895, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Lea Arnold
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA17895 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7300 Medical Center Dr, West Hills, CA 91307
- Phone
- (818) 676-4000
- Enumerated
- Jul 3, 2006
- Record last updated
- Aug 7, 2025
- Medicaid ID
- PA17895 CA
- Medicare enrollment
- Enrolled (PECOS I20051028000729); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 7300 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Lea Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA17895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
91 Medicare Part D claims for 62 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Tramadol Hcl14 claims
- Diclofenac Sodium13 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: $16.70
1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, 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.
Bills Medicare through one group practice
- Agoura Hills Urgentocare PCThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lea Arnold among 14,451 physician assistant records in California
Karen Lea Arnold, P.A. 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2002 · 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).
19 physician assistant records list a practice address in West Hills
They are 19 of the 708 NPPES records with a practice address in West Hills, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in West Hills → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Armita AminiWest Hills, CA 913071174125215
- Nicole Azizian, PAWest Hills, CA 913071487382537
- Azita Fahimi, PA-CWest Hills, CA 913071447971890
- Lacey Kapp, PAWest Hills, CA 913071831816859
- Eric Lyon, PA-CWest Hills, CA 913071992154934
- Alicia Moreno RosalesWest Hills, CA 913071659004935
- Kelly Morin, PA-CWest Hills, CA 913071124450143
- Alpa Patel, PA-CWest Hills, CA 913071306970702
Common questions
What is Karen Lea Arnold, P.A.'s NPI number?
Karen Lea Arnold, P.A.'s National Provider Identifier (NPI) is 1407886070, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lea Arnold, P.A. located?
The NPPES record lists a practice address at 7300 Medical Center Dr, West Hills, CA, 91307. Phone: (818) 676-4000. Providers update this record themselves, so call before visiting.
How can I verify Karen Lea Arnold, P.A.'s license?
NPPES lists California license number PA17895, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Lea Arnold, P.A. prescribe under Medicare Part D?
In 2024, Karen Lea Arnold, P.A. had 91 Medicare Part D claims for 62 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.