Doctor profile · Federal record

Dr. Jon Ahrendsen, M.D.

Family Medicine Physician (CMS: Family Practice) · Clarion, IA

  • NPI 1326036062
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
215 13Th Ave Sw
Clarion, IA 505252078
(515) 532-2836
fax (515) 532-2523
Mailing address
Po Box 271, 215 13Th Ave Sw
Clarion, IA 505250271

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Iowa #23659

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326036062. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$114
Transactions
6
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 5 $97.16
Amgen Inc. 1 $17.23

By nature of payment

Food and Beverage
$114

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,170
Patients
204
Total drug cost
$14,443
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 182 29 $2,054
Omeprazole Generic 141 23 $1,838
Atorvastatin Calcium Generic 135 29 $1,781
Lisinopril Generic 95 24 $635
Amlodipine Besylate Generic 81 14 $513
Metformin Hcl Generic 73 17 $477
Furosemide Generic 62 15 $400
Metoprolol Succinate Generic 61 12 $955
Oxycodone Hcl Generic 55 0 $760
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 54 0 $1,596

Frequently asked questions

Auto-generated from federal data
What is Dr. Jon Ahrendsen's medical specialty?
Dr. Jon Ahrendsen practices Family Medicine Physician in Clarion, IA.
Where does Dr. Jon Ahrendsen practice?
Dr. Jon Ahrendsen practices at 215 13Th Ave Sw, Clarion, IA 505252078. Office phone: 5155322836.
What is Dr. Jon Ahrendsen's NPI?
Dr. Jon Ahrendsen's National Provider Identifier (NPI) is 1326036062, issued by NPPES.
Does Dr. Jon Ahrendsen accept Medicare assignment?
Yes. Dr. Jon Ahrendsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.