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Physician

MARK JOHNSON, MD

Internal Medicine

MASON CITY, IA, 50401
NPI: 1013923127

Contact

Internal Medicine

MASON CITY, IA

HANCOCK COUNTY HEALTH SYSTEM

641-843-5000

trusthchs.com/hancock

KOSSUTH REGIONAL HEALTH CENTER

515-295-2451

krhc.com

FLOYD COUNTY MEDICAL CENTER

641-228-6830

fcmc.us.com

Hospital Affiliations

Search procedure prices at these hospitals only

Common Procedures for Internal Medicine

Annual Physical ExamChronic Disease ManagementPreventive ScreeningBlood Pressure ManagementDiabetes ManagementCholesterol ManagementImmunizationsEKGSpirometryHealth Risk Assessment

Based on specialty. Actual services may vary — contact the provider's office to confirm.

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
99214
Established patient office or other outpatient visit, 30-39 minutes
$244$41$2818
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
$167$74$58239
99213
Established patient office or other outpatient visit, 20-29 minutes
$165$62$3914
95251
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report
$138$32$25365
93010
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
$32$8$61,467

Compare prices for procedures performed by Internal Medicine physicians

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Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.