Karen Hanna Arndt, PA-C
NPI 1598784225 · Medical Physician Assistant · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Hanna Arndt, PA-C is a Medical Physician Assistant provider in Santa Barbara, CA (NPI 1598784225).
Provider details
- NPI number
- 1598784225
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA15070 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 333 | 104 |
| Losartan Potassium | 225 | 66 |
| Hydrochlorothiazide | 205 | 59 |
| Amlodipine Besylate | 201 | 61 |
| Levothyroxine Sodium | 197 | 53 |
| Metoprolol Succinate | 147 | 40 |
| Simvastatin | 112 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$196 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2023-03-07
Frequently asked questions
- What is Karen Hanna Arndt's NPI number?
- Karen Hanna Arndt's National Provider Identifier (NPI) is 1598784225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Hanna Arndt's specialty?
- Karen Hanna Arndt is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Hanna Arndt located?
- Karen Hanna Arndt's practice location on file with NPPES is 5333 Hollister Ave Ste 110, Santa Barbara, CA 93111-2379.
- What is Karen Hanna Arndt's phone number?
- The practice phone number listed in the NPPES registry for Karen Hanna Arndt is (805) 683-0055.
- Does Karen Hanna Arndt accept Medicare?
- Karen Hanna Arndt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Hanna Arndt's NPI active?
- Yes — Karen Hanna Arndt's NPI (1598784225) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.