DR. SARAH K SUNDET (D.O., MBA) – Nephrology Physician, NPI 1316186836
Nephrology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
319 NEPHROLOGY in MO
Provider Addresses for DR. SARAH K SUNDET (D.O., MBA)
1400 US HIGHWAY 61 STE 240
FESTUS, MO 630284141
Phone: (636) 937-3337
Fax: (636) 931-7671
Type: Location
1265 GRAHAM RD STE 1
FLORISSANT, MO 630318018
Phone: (314) 741-1600
Fax: (314) 741-1677
Type: Mailing
55 Nesbit Dr Ste B
Bonne Terre, MO 636281353
Phone: (636) 937-3337
Fax: (636) 931-7671
Type: Location
1400 US HIGHWAY 61 STE 240A
FESTUS, MO 630284141
Phone: (636) 937-3337
Fax: (636) 931-7671
Type: Location
1449, Potomac Heights Drive, Fort Washington, Prince George's County, Maryland, 20744, United States
MARYLAND HEIGHTS, MO 630430449
Phone: (314) 432-2580
Fax: (314) 991-8960
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $916.
Total Amount is formed as General ($916) + Research ($0) + Ownership ($0) = $916.
Last reported payment date: 2024-09-05 • Largest payer in this snapshot: Fresenius USA Marketing, Inc. ($233).
Total Amount
$916
General + Research + Ownership
Payments
10
Total payment records
General Amount
$916
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Fresenius USA Marketing, Inc. | $233 |
| NxStage Medical, Inc. | $221 |
| ABBVIE INC. | $208 |
| Phathom Pharmaceuticals, Inc. | $125 |
| Otsuka America Pharmaceutical, Inc. | $122 |
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: 2013-08-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-09-30 (983 days ago).
Enrollment records
1
Earliest due date
2023-09-30
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 |
|---|---|---|---|---|
| I20130830000114 | I | Nephrology | MO | 2023-09-30 |
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 | 379 | 85 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 360 | 214 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 169 | 17 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 111 | 87 | $0 |
| 90966 | Home dialysis services per month (20 years or older) | 87 | 11 | $0 |
Insurance plans in this area (ZIP 63028)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Nephrology | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Internal Medicine, Nephrology | AL | |
| Internal Medicine, Nephrology | MO | |
| Internal Medicine, Nephrology, Nephrology, Internal Medicine | IL |
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