MICHAEL WIEDERKEHR (M.D.) – Nephrology Physician, NPI 1932153681
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,168 NEPHROLOGY in TX
Provider Addresses for MICHAEL WIEDERKEHR (M.D.)
560 W Main St Ste 205
Lewisville, TX 750573604
Phone: (214) 358-2300
Fax: (214) 579-6941
Type: Location
1505 LBJ FWY STE 700
DALLAS, TX 752346065
Phone: (214) 358-2300
Fax: (214) 579-6941
Type: Mailing
411 N WASHINGTON AVE STE 6000
DALLAS, TX 752461789
Phone: (214) 358-2300
Fax: (214) 579-6988
Type: Location
1420, Viceroy Drive, Dallas, TX, Dallas, Dallas County, Texas, 75247, United States
ATTN: LASHUNDA JOHNSON
DALLAS, TX 752352208
Phone: (214) 358-2300
Fax: (214) 366-6127
Type: Mailing
411, North Washington Avenue, Dallas, TX, Dallas, Dallas County, Texas, 75204, United States
SUITE 7000
DALLAS, TX 752461713
Phone: (214) 358-2300
Fax: (214) 579-6988
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 125 Open Payments records for all available years, with a total value of $24,779.
Total Amount is formed as General ($24,779) + Research ($0) + Ownership ($0) = $24,779.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($18,416).
Total Amount
$24,779
General + Research + Ownership
Payments
125
Total payment records
General Amount
$24,779
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Otsuka America Pharmaceutical, Inc. | $18,416 |
| Fresenius USA Marketing, Inc. | $3,783 |
| AstraZeneca Pharmaceuticals LP | $687 |
| NxStage Medical, Inc. | $273 |
| CorMedix Inc. | $184 |
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: 2010-08-25
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 |
|---|---|---|---|---|
| I20100825001151 | I | Nephrology | TX | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 217 | 146 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 165 | 65 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 165 | 20 | $0 |
| 90966 | Home dialysis services per month (20 years or older) | 150 | 21 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 94 | 45 | $0 |
Insurance plans in this area (ZIP 75057)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E P H R O L O G Y | TX | |
| N E P H R O L O G Y | TX | |
| Internal Medicine, Nephrology | NY | |
| N E P H R O L O G Y | TX | |
| Nephrology, Internal Medicine | TX | |
| - | OH | |
| Nephrology, Internal Medicine | TX | |
| N E P H R O L O G Y | TX | |
| Registered Dietitian Or Nutrition Professional | TX | |
| Nephrology, Internal Medicine | TX |
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