DR. KENNETH L GERDES (M.D.) – Nephrology Physician, NPI 1720020100
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
Provider Addresses for DR. KENNETH L GERDES (M.D.)
1209, Nye Street, Tuxedo Colony, Capitol Heights, Prince George's County, Maryland, 20743, United States
MARYLAND HEIGHTS, MO 630430209
Phone: (314) 432-2580
Fax: (314) 991-8960
Type: Mailing
11155, Dunn Road, Saint Louis County, Missouri, 63136, United States
SUITE 211N
SAINT LOUIS, MO 631366150
Phone: (314) 432-2580
Fax: (314) 991-8960
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-04-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (956 days ago).
Enrollment records
2
Earliest due date
2023-10-31
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050524000947 | I | Internal Medicine | MO | 2023-10-31 |
| I20060421000488 | I | Internal Medicine | IL | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 242 | 117 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 65 | 59 | $0 |
| 90962 | Dialysis services, 1 physician visit per month (20 years or older) | 61 | 13 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 24 | 18 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 13 | $0 |
Insurance plans in this area (ZIP 63043)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MO | 90935 | Hemodialysis procedure with one physician evaluation | 163 | 87 |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.