NPPES file of Aug 9, 2026

Karen Marie Hanna Arndt, PA-C

Medical Physician Assistant · Santa Barbara, CA

Karen Marie Hanna Arndt, PA-C is a medical physician assistant with a practice address in Santa Barbara, California, and NPI 1598784225, issued on Jul 19, 2006. Check the license (California PA15070, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598784225
Name
Karen Marie Hanna Arndt
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA15070 CA
Self-reported in NPPES; status is on the state search
Practice location
5333 Hollister Ave Ste 110, Santa Barbara, CA 93111
Phone
(805) 683-0055
Enumerated
Jul 19, 2006
Record last updated
Mar 7, 2023
Fax
(805) 683-0149
Medicare enrollment
Enrolled (PECOS I20091229000658); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5333 Hollister Ave Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Douglas Cummings, M.D.Internal Medicine Physician1407876774
  2. Shaun Ehsani, MDFamily Medicine Physician1306040712
  3. Nancy Warner, FNPFamily Nurse Practitioner1528088820

Verify Karen Marie Hanna Arndt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA15070
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.0 times the Medicare Part D claims of the average medical physician assistant in 2024

3,457 Medicare Part D claims for 316 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 26 claims were for opioids.

  1. Karen Hanna Arndt3,457
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium333 claims
  2. Losartan Potassium225 claims
  3. Hydrochlorothiazide205 claims
  4. Amlodipine Besylate201 claims
  5. Levothyroxine Sodium197 claims
  6. Metoprolol Succinate147 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: $195.80

1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Hanna Arndt$195.80
  2. Specialty average$1,055.00

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

  1. Jackson And Engberg Medical CorporationSanta Barbara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Marie Hanna Arndt among 3,376 medical physician assistant records in California

Karen Marie Hanna Arndt, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 80% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated1999 · median 2012 among the 1,347 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Kelsey Collin, PAGoleta, CA 931111164050563
  2. Isabella Sherbatova, PAGoleta, CA 931111518002963
  3. Melanie Van Lieshout, P.A.-C.Santa Barbara, CA 931111578715918
  4. Brooke Cheema, P.A.-CSanta Barbara, CA 931101902987415
  5. Zeb Dyer, P.A.Santa Barbara, CA 931101851493837
  6. Angela Hamilton, P.A.Santa Barbara, CA 931101902908817
  7. Denise Kircher, P.A.Santa Barbara, CA 931101245332196
  8. Kenneth Palley, P.A.-CSanta Barbara, CA 931101306836713

Common questions

What is Karen Marie Hanna Arndt, PA-C's NPI number?

Karen Marie Hanna Arndt, PA-C's National Provider Identifier (NPI) is 1598784225, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Marie Hanna Arndt, PA-C located?

The NPPES record lists a practice address at 5333 Hollister Ave Ste 110, Santa Barbara, CA, 93111. Phone: (805) 683-0055. Providers update this record themselves, so call before visiting.

How can I verify Karen Marie Hanna Arndt, PA-C's license?

NPPES lists California license number PA15070, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Marie Hanna Arndt, PA-C prescribe under Medicare Part D?

In 2024, Karen Marie Hanna Arndt, PA-C had 3,457 Medicare Part D claims for 316 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.