Doctor profile · Federal record

Dr. McKenzie Brekken, DO

Family Medicine Physician (CMS: Family Practice) · Clear Lake, IA

  • NPI 1144889544
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1410 6Th Ave S
Clear Lake, IA 504282606
(641) 357-2191
fax (641) 357-6020
Additional location
1010 4Th St Sw Ste 340
Mason City, IA 504012856
(641) 428-7766
fax (641) 428-7788
Mailing address
621 S Illinois Ave Ste 103
Mason City, IA 504015489

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
July 8, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Iowa #R-11628

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144889544. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
965
Distinct HCPCS
5
Medicare allowed
$74,654
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 488 321 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 232 196 $61
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 124 124 $120
93793 Anticoagulant management of patient taking warfarin 89 27 $11
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 32 31 $8

In context: peer comparison

Among 3 peers in this city , average services per provider: 142. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $17.87
Amgen Inc. 1 $17.25

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,225
Patients
445
Total drug cost
$16,089
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 172 77 $2,693
Levothyroxine Sodium Generic 142 40 $2,032
Lisinopril Generic 115 51 $1,284
Amlodipine Besylate Generic 108 43 $979
Losartan Potassium Generic 85 42 $1,135
Escitalopram Oxalate Generic 81 20 $739
Omeprazole Generic 76 31 $1,337
Pantoprazole Sodium Generic 69 16 $1,450
Gabapentin Generic 66 24 $1,164
Trazodone Hcl Generic 65 17 $528

Frequently asked questions

Auto-generated from federal data
What is Dr. McKenzie Brekken's medical specialty?
Dr. McKenzie Brekken practices Family Medicine Physician in Clear Lake, IA.
Where does Dr. McKenzie Brekken practice?
Dr. McKenzie Brekken practices at 1410 6Th Ave S, Clear Lake, IA 504282606. Office phone: 6413572191.
What is Dr. McKenzie Brekken's NPI?
Dr. McKenzie Brekken's National Provider Identifier (NPI) is 1144889544, issued by NPPES.
Does Dr. McKenzie Brekken accept Medicare assignment?
Yes. Dr. McKenzie Brekken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. McKenzie Brekken commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.