William Kanitz, M.D.
Emergency Medicine Physician · Howell, MI
William Kanitz, M.D. is an emergency medicine physician with a practice address in Howell, Michigan, and NPI 1871907899, issued on Jun 18, 2014. Check the license on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- William Kanitz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 01075546A IN
11017906A IN
Self-reported in NPPES; status is on the state search - Practice location
- 620 Byron RD, Howell, MI 48843
- Phone
- (231) 878-2519
- Enumerated
- Jun 18, 2014
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 201233370 IN
- Medicare enrollment
- Enrolled (PECOS I20170628003419); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 620 Byron RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bryan Battjes, OTRLOccupational Therapist1164942256
- Amanda Bowersox, OTRLOccupational Therapist1922528025
- Robert BunnellPhysical Therapist1982180030
- Lera-Jo Cavanaugh, NNPCritical Care Neonatal Nurse Practitioner1235211681
- Kristy Cuthbert, CEPClinical Exercise Physiologist1497437412
Verify William Kanitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average emergency medicine physician in 2024
235 Medicare Part D claims for 163 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Cephalexin30 claims
- Cefdinir22 claims
- Hydrocodone-Acetaminophen19 claims
- Doxycycline Hyclate18 claims
- Amoxicillin-Clavulanate Potass12 claims
- Prednisone12 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.
Bills Medicare through one group practice
- Epmg OF Michigan PCLivonia, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Kanitz among 3,083 emergency medicine physician records in Michigan
William Kanitz, M.D. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 55% of them.
- NPI issued2014 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2013 among the 1,931 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Michigan
There are 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Howell → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Laurie Dixon, MDHowell, MI 488431760701866
- Pamela Eaton, D.O.Howell, MI 488431114927944
- Charles Grassie, M.D.Howell, MI 488431649226119
- Ivan Raimi, DOHowell, MI 488431386690212
- Bradley Stone, D.O.Howell, MI 488431639524036
- Nathan Zziwambazza, MDHowell, MI 488431033160296
- Jamie Christopoulos, D.O.Haslett, MI 488401942520200
- Scott Holmes, M.D.Ionia, MI 488461790883189
Common questions
What is William Kanitz, M.D.'s NPI number?
William Kanitz, M.D.'s National Provider Identifier (NPI) is 1871907899, issued on Jun 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is William Kanitz, M.D. located?
The NPPES record lists a practice address at 620 Byron RD, Howell, MI, 48843. Phone: (231) 878-2519. Providers update this record themselves, so call before visiting.
How can I verify William Kanitz, M.D.'s license?
Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Kanitz, M.D. prescribe under Medicare Part D?
In 2024, William Kanitz, M.D. had 235 Medicare Part D claims for 163 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.