Doctor profile · Federal record

Dr. Cynthia Gronau, MD

Family Medicine Physician · Redwood Falls, MN

  • NPI 1124094842
  • 20 yrs on file
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 E Broadway
Redwood Falls, MN 56283
(507) 637-2985
fax (507) 637-6678

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Minnesota #43905

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124094842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29
Distinct HCPCS
1
Medicare allowed
$2,196
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 29 14 $76

In context: peer comparison

Among 6 peers in this city , average services per provider: 29. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,556
Patients
329
Total drug cost
$27,583
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 177 34 $2,710
Lisinopril Generic 167 40 $1,558
Amlodipine Besylate Generic 154 35 $1,697
Omeprazole Generic 145 30 $2,709
Atorvastatin Calcium Generic 133 30 $4,367
Metoprolol Succinate Generic 131 27 $3,003
Losartan Potassium Generic 116 25 $1,731
Rosuvastatin Calcium Generic 79 21 $1,725
Furosemide Generic 73 14 $381
Hydrochlorothiazide Generic 70 20 $295

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Gronau's medical specialty?
Dr. Cynthia Gronau practices Family Medicine Physician in Redwood Falls, MN.
Where does Dr. Cynthia Gronau practice?
Dr. Cynthia Gronau practices at 1100 E Broadway, Redwood Falls, MN 56283. Office phone: 5076372985.
What is Dr. Cynthia Gronau's NPI?
Dr. Cynthia Gronau's National Provider Identifier (NPI) is 1124094842, issued by NPPES.
What procedures does Dr. Cynthia Gronau commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.