RICHARD S SPONG (M.D.) – Nephrology Physician, NPI 1689651093
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
274 NEPHROLOGY in MN
Provider Addresses for RICHARD S SPONG (M.D.)
420 DELAWARE ST SE MMC 736
UNIVERSITY OF MINNESOTA PHYSICIANS
MINNEAPOLIS, MN 554550356
Phone: (612) 624-9444
Fax: (612) 626-3840
Type: Mailing
516 DELWARE ST SE PWB CLINIC 2A
UNIVERSITY OF MINNESOTA PHYSICIANS
MINNEAPOLIS, MN 554550356
Phone: (612) 624-9444
Fax: (612) 626-3840
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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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: 2004-03-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
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 |
|---|---|---|---|---|
| I20040320000652 | I | Nephrology | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 391 | 104 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 273 | 227 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 100 | 89 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 84 | 62 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 21 | $0 |
Insurance plans in this area (ZIP 55455)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | MN | |
| G A S T R O E N T E R O L O G Y | MN | |
| N E U R O S U R G E R Y | OH | |
| - | MN | |
| Physician Assistant | MN | |
| Physician Assistant | MN | |
| - | MN | |
| - | MN | |
| Physical Therapist In Private Practice | OR | |
| Cardiovascular Disease (Cardiology) | IL |
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