NPPES file of Aug 9, 2026

William J. Witcik, M.D,

Cardiovascular Disease Physician · Davenport, IA

William J. Witcik, M.D, is a cardiovascular disease physician with a practice address in Davenport, Iowa, and NPI 1619956547, issued on Jan 10, 2006. Check the license (Iowa MD-29219, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619956547
Name
William J. Witcik
Credential
M.D,
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
MD-29219 IA
Self-reported in NPPES; status is on the state search
Practice location
1236 E Rusholme St, Davenport, IA 52803
Phone
(563) 324-2992
Enumerated
Jan 10, 2006
Record last updated
Feb 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(563) 888-0499
Medicaid ID
1105999 IA
Medicare enrollment
Enrolled (PECOS I20070209000225); accepts Medicare assignment
Medical or professional school
University Of North Dakota School Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1236 E Rusholme St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Denise Antle, ARNP, MSN, CCNSCritical Care Medicine Clinical Nurse Specialist1689724700
  2. Prakash Bontu, M.D.Cardiovascular Disease Physician1912986837
  3. Paula Bryant, ARNPFamily Nurse Practitioner1538353784
  4. Cynthia Burkholder, ARNPAcute Care Nurse Practitioner1760792683
  5. Edmund Coyne, M.D.Cardiovascular Disease Physician1114906138
  6. Judith Deckert, A.R.N.P.Family Nurse Practitioner1548249352

Verify William J. Witcik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-29219
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.4 times the Medicare Part D claims of the average cardiovascular disease physician in 2024

10,607 Medicare Part D claims for 1,268 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. William Witcik10,607
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate1,434 claims
  2. Atorvastatin Calcium1,100 claims
  3. Furosemide889 claims
  4. Potassium Chloride708 claims
  5. Lisinopril610 claims
  6. Clopidogrel586 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $157.30

6 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Witcik$157.30
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cardiovascular Medicine PLLCDavenport, IA
  2. Genesis Health SystemDe Witt, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William J. Witcik among 169 cardiovascular disease physician records in Iowa

William J. Witcik, M.D, is one of 169 cardiovascular disease physician records with a practice address in Iowa. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 27% of them.

  • NPI issued2006 · 27% of these records are older, 40% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1986 · median 2000 among the 119 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Iowa

There are 169 cardiovascular disease physician records in Iowa.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Prakash Bontu, M.D.Davenport, IA 528031912986837
  2. Edmund Coyne, M.D.Davenport, IA 528031114906138
  3. Michael Gimbel, M.D.Davenport, IA 528031871687087
  4. Philip Habak, M.D.Davenport, IA 528031467431460
  5. Kathleen Keyes, M.D.Davenport, IA 528031316926264
  6. John Lewis, M.D.Davenport, IA 528031124007976
  7. Rafat Padaria, M.D.Davenport, IA 528031497734388
  8. Jon Robken, M.D.Davenport, IA 528031750360764

Common questions

What is William J. Witcik, M.D,'s NPI number?

William J. Witcik, M.D,'s National Provider Identifier (NPI) is 1619956547, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William J. Witcik, M.D, located?

The NPPES record lists a practice address at 1236 E Rusholme St, Davenport, IA, 52803. Phone: (563) 324-2992. Providers update this record themselves, so call before visiting.

How can I verify William J. Witcik, M.D,'s license?

NPPES lists Iowa license number MD-29219, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William J. Witcik, M.D, prescribe under Medicare Part D?

In 2024, William J. Witcik, M.D, had 10,607 Medicare Part D claims for 1,268 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.