NPPES file of Aug 9, 2026

Chad Mark Witkow, D.D.S.

General Practice Dentistry · Clio, MI

Chad Mark Witkow, D.D.S. is a general practice dentistry with a practice address in Clio, Michigan, and NPI 1316099179, issued on Jan 18, 2007. Check the license (Michigan 2901018384, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1316099179
Name
Chad Mark Witkow
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
2901018384 MI
Self-reported in NPPES; status is on the state search
Practice location
4279 W Vienna RD, Clio, MI 48420
Phone
(810) 659-1721
Enumerated
Jan 18, 2007
Record last updated
Sep 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(810) 659-1721
Medicare enrollment
Enrolled (PECOS I20220627001218); accepts Medicare assignment
Medical or professional school
University Of Detroit Mercy School Of Dentistry, 2002
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.
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8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →

Also registered at 4279 W Vienna RD

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

  1. Mark Williamson, D.D.S.General Practice Dentistry1851341945
  2. Ronald Wright, D.D.S.General Practice Dentistry1326098278

Verify Chad Mark Witkow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 2901018384    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
Find the Michigan 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.

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Bills Medicare through one group practice

  1. Michigan Head And Neck Institute PCRochester Hills, MI

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

Chad Mark Witkow among 4,088 general practice dentistry records in Michigan

Chad Mark Witkow, D.D.S. is one of 4,088 general practice dentistry records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 37% of them.

  • NPI issued2007 · 37% of these records are older, 36% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · under 1% of these records are
  • Graduated2002 · median 2015 among the 24 with a school on file
  • Record last updated2020 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 general practice dentistry records list a practice address in Clio

They are 8 of the 186 NPPES records with a practice address in Clio, and 4,088 general practice dentistry records in Michigan.

All 4,088 in Michigan → Every provider in Clio → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Kenneth Ackley, DDSClio, MI 484201891795639
  2. Timothy Miller, DDSClio, MI 484201609055151
  3. Paul Racine, D.D.SClio, MI 484201457351298
  4. Frank Radtke, D.D.S.Clio, MI 484201902924822
  5. Nermine Shehata, DMDClio, MI 484201760749592
  6. Mark Williamson, D.D.S.Clio, MI 484201851341945
  7. Ronald Wright, D.D.S.Clio, MI 484201326098278
  8. Stanley Lorang, DDSColumbiaville, MI 484211548459415

Common questions

What is Chad Mark Witkow, D.D.S.'s NPI number?

Chad Mark Witkow, D.D.S.'s National Provider Identifier (NPI) is 1316099179, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Chad Mark Witkow, D.D.S. located?

The NPPES record lists a practice address at 4279 W Vienna RD, Clio, MI, 48420. Phone: (810) 659-1721. Providers update this record themselves, so call before visiting.

How can I verify Chad Mark Witkow, D.D.S.'s license?

NPPES lists Michigan license number 2901018384, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.