Medicare Enrolled

Dr. Michael Wiederkehr, M.D.

Nephrology · Dallas, TX
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
411 N WASHINGTON AVE STE 6000, Dallas, TX 75246
2143582300
Registered in NPPES since 2006
NPI: 1932153681 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Wiederkehr from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
Are you Dr. Wiederkehr? Request a correction or review of any data shown here. Provider portal →

What this data tells you about Dr. Wiederkehr

Dr. Michael Wiederkehr is a nephrology specialist in Dallas, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Wiederkehr performed 874 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Wiederkehr received a total of $68,417 from 39 pharmaceutical and/or device companies across 357 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Wiederkehr is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 20 years of NPI registration ▲ 874 Medicare services $68,417 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
874
Medicare services
Bottom 37% in TX for nephrology
Lower Medicare volume may reflect subspecialty focus, hospital-based work, or a higher share of non-Medicare patients.
Not available
Unique patients (not deduplicated)
$140
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
217 $62 $175
Dialysis services for patients 20 or older
Dialysis treatment provided to patients aged 20 years or older, involving four or more physician visits per month.
165 $280 $850
Hospital follow-up visit, high complexity
Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter.
165 $93 $244
Home dialysis services per month
Monthly dialysis treatment provided in the patient's home for individuals aged 20 or older.
150 $229 $780
Hospital follow-up visit, moderate complexity
Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service.
94 $62 $165
Office visit, established patient, complex (40-54 min)
An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter.
46 $56 $250
New patient office visit (45-59 min)
An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter.
13 $121 $350
Initial hospital admission, high complexity
Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter.
13 $123 $380
New patient office visit, complex (60-74 min) 11 $129 $450
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2024 ↗
$68,417
Total received (2018-2024)
Avg $9,774/year across 7 years
Top 4% in TX for nephrology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
39
Companies
357
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$13,133
2023
$11,646
2022
$10,284
2021
$16,518
2020
$9,137
2019
$3,840
2018
$3,859

Payments by company (2024)

Otsuka America Pharmaceutical, Inc.
$8,133
Fresenius USA Marketing, Inc.
$3,783
AstraZeneca Pharmaceuticals LP
$310
NXSTAGE MEDICAL, INC.
$273
CorMedix Inc.
$184
CALLIDITAS THERAPEUTICS US INC.
$101
Travere Therapeutics, Inc.
$90
Veloxis Pharmaceuticals, Inc.
$67
Novartis Pharmaceuticals Corporation
$52
Alexion Pharmaceuticals, Inc.
$31
Amgen Inc.
$29
Ardelyx, Inc.
$23
OPKO Pharmaceuticals, LLC
$21
Aurinia Pharma U.S., Inc.
$18
ANI Pharmaceuticals, Inc.
$17
Top 3 companies account for 93.1% of 2024 payments
All-time payments by company (2018-2024) ›
Otsuka America Pharmaceutical, Inc.
$45,995
Fresenius USA Marketing, Inc.
$11,097
Mallinckrodt Enterprises LLC
$2,689
AstraZeneca Pharmaceuticals LP
$2,603
GENZYME CORPORATION
$1,252
Veloxis Pharmaceuticals, Inc.
$600
OPKO Pharmaceuticals, LLC
$568
Vifor Pharma, Inc.
$375
NxStage Medical, Inc.
$307
Relypsa, Inc.
$297
NXSTAGE MEDICAL, INC.
$273
Bayer HealthCare Pharmaceuticals Inc.
$252
Novartis Pharmaceuticals Corporation
$221
Alexion Pharmaceuticals, Inc.
$207
CorMedix Inc.
$184
Travere Therapeutics, Inc.
$164
Horizon Therapeutics plc
$147
CALLIDITAS THERAPEUTICS US INC.
$141
Janssen Pharmaceuticals, Inc
$136
Keryx Biopharmaceuticals, Inc.
$125
Otsuka Pharmaceutical Development & Commercialization, Inc.
$123
Calliditas Therapeutics US Inc.
$115
La Jolla Pharmaceutical Company
$64
Aurinia Pharma U.S., Inc.
$63
Amgen Inc.
$62
Mallinckrodt LLC
$55
GlaxoSmithKline, LLC.
$54
Genentech USA, Inc.
$31
Mallinckrodt Hospital Products Inc.
$25
AKEBIA THERAPEUTICS INC
$24
Alnylam Pharmaceuticals Inc.
$23
Ardelyx, Inc.
$23
Novo Nordisk Inc
$22
Shire North American Group Inc
$17
ANI Pharmaceuticals, Inc.
$17
PORTOLA PHARMACEUTICALS, INC.
$16
Bayer Healthcare Pharmaceuticals Inc.
$16
E.R. Squibb & Sons, L.L.C.
$16
Ultragenyx Pharmaceutical Inc.
$14
Top 3 companies account for 87.4% of all-time payments
Associated products mentioned in payments ›
ACTHAR · AURYXIA · Auryxia · BENLYSTA · BEVYXXA · BRILINTA · Concentrates · DefenCath · ELIQUIS · ENVARSUS · Envarsus · Envarsus XR (SP) · FABRY-DISEASE · FARXIGA · GATTEX · GIAPREZA · IBSRELA · INVOKANA · JYNARQUE · KRYSTEXXA · Kerendia · LOKELMA · LUPKYNIS · NXSTAGE SYSTEM ONE · OXLUMO · Ozempic · PURIFIED CORTROPHIN GEL · Parsabiv · RAYALDEE · Rayaldee · Rayaldee (old) · Rituxan · SAMSCA · SOLIRIS · SYSTEM ONE · System One · TARPEYO · TERLIVAZ · TOLVAPTAN · Thiola · ULTOMIRIS · Ultomiris · Velphoro · Veltassa · XARELTO · XERAVA
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for a nephrology specialist in Dallas?
Compare nephrologists in the Dallas area by procedure volume, costs, and industry payment transparency.
Browse nephrologists nearby

Geographic Context

Nephrologists in nearby ZIP areas
211
County median income
$74,149
Nearest hospital to ZIP centroid (approximate)
BAYLOR UNIVERSITY MEDICAL CENTER
0.0 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Wiederkehr is a clinical cardiology specialist, with moderate Medicare volume, with 20 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Wiederkehr experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Wiederkehr performed 217 office visit, established patient (30-39 min) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Wiederkehr receive payments from pharmaceutical companies?
Yes. Dr. Wiederkehr received a total of $68,417 from 39 companies across 357 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Wiederkehr's costs compare to other nephrologists in Dallas?
Dr. Wiederkehr's average Medicare payment per service is $140. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Wiederkehr) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →