Doctor profile · Federal record

Dr. Kenneth Gerdes, M.D.

Nephrology Physician · Nephrology Physician · Saint Louis, MO

  • NPI 1720020100
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11155 Dunn RD, Suite 211N
Saint Louis, MO 631366150
(314) 432-2580
fax (314) 991-8960
Mailing address
Po Box 1209
Maryland Heights, MO 630430209

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 10, 2024
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Missouri #R6G82 · Illinois #036-082405
Medicaid
MO #202382115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720020100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
408
Distinct HCPCS
5
Medicare allowed
$42,643
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 242 117 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 65 59 $128
90962 Dialysis services, 1 physician visit per month (20 years or older) 61 13 $198
90935 Hemodialysis procedure with physician evaluation 24 18 $70
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 16 13 $116

In context: peer comparison

Among 28 peers in this city , average services per provider: 96. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
300
Patients
11
Total drug cost
$20,875
Drug Type Claims Patients Total cost
Sevelamer Carbonate Generic 49 11 $14,884
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 38 0 $1,175
Lorazepam Generic 28 0 $267
Hydralazine Hcl Generic 22 0 $393
Midodrine Hcl Generic 22 0 $1,776
Carvedilol Generic 21 0 $337
Prednisone Generic 20 0 $129
Gabapentin Generic 18 0 $98
Furosemide Generic 17 0 $103
Clonidine Hcl Generic 15 0 $203

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Gerdes's medical specialty?
Dr. Kenneth Gerdes practices Nephrology Physician in Saint Louis, MO.
Where does Dr. Kenneth Gerdes practice?
Dr. Kenneth Gerdes practices at 11155 Dunn RD, Saint Louis, MO 631366150. Office phone: 3144322580.
What is Dr. Kenneth Gerdes's NPI?
Dr. Kenneth Gerdes's National Provider Identifier (NPI) is 1720020100, issued by NPPES.
What procedures does Dr. Kenneth Gerdes commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Dialysis services, 1 physician visit per month (20 years or older) (HCPCS 90962). Source: CMS Medicare Physician & Other Practitioners file.