Jon Ahrendsen, M.D.
NPI 1326036062 · Family Medicine Physician · Clarion, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Ahrendsen, M.D. is a Family Medicine Physician provider in Clarion, IA (NPI 1326036062).
Provider details
- NPI number
- 1326036062
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 23659 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 70 | 16 |
| Oxycodone Hcl | 63 | — |
| Omeprazole | 62 | 17 |
| Lisinopril | 56 | 19 |
| Atorvastatin Calcium | 51 | 15 |
| Pravastatin Sodium | 47 | — |
| Gabapentin | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$114 across 6 records (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
- 2005-10-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jon Ahrendsen's NPI number?
- Jon Ahrendsen's National Provider Identifier (NPI) is 1326036062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Ahrendsen's specialty?
- Jon Ahrendsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Ahrendsen located?
- Jon Ahrendsen's practice location on file with NPPES is 215 13th Ave Sw, Clarion, IA 50525-2078.
- What is Jon Ahrendsen's phone number?
- The practice phone number listed in the NPPES registry for Jon Ahrendsen is (515) 532-2836.
- Does Jon Ahrendsen accept Medicare?
- Jon Ahrendsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Ahrendsen's NPI active?
- Yes — Jon Ahrendsen's NPI (1326036062) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.