William Thomas Kern, MD
Internal Medicine Physician · Traverse City, MI
William Thomas Kern, MD is an internal medicine physician with a practice address in Traverse City, Michigan, and NPI 1316189467, issued on Apr 2, 2009. Check the license (Michigan 4301102360, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- William Thomas Kern
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301102360 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1105 Sixth St, Traverse City, MI 49684
- Phone
- (231) 922-9270
- Enumerated
- Apr 2, 2009
- Record last updated
- Jul 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (231) 922-9271
- Medicare enrollment
- Enrolled (PECOS I20131009002008); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 1105 Sixth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Thomas Kern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301102360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
243 Medicare Part D claims for 144 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Prednisone18 claims
- Pantoprazole Sodium16 claims
- Atorvastatin Calcium14 claims
- Cephalexin11 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 2 group practices
- Grand Traverse Physician Services PCTraverse City, MI
- Thirlby Clinic PLCTraverse City, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Thomas Kern among 5,735 internal medicine physician records in Michigan
William Thomas Kern, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 51% of them.
- NPI issued2009 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2006 among the 3,564 with a school on file
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 internal medicine physician records list a practice address in Traverse City
They are 93 of the 3,536 NPPES records with a practice address in Traverse City, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Traverse City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Troy Ahlstrom, M.D.Traverse City, MI 496841548265911
- Natalie Brown, M.D., PHDTraverse City, MI 496841427053529
- Elizabeth Elliot, D.O.Traverse City, MI 496841013919109
- David Friar, M.D.Traverse City, MI 496841720083108
- Kenneth Friar, M.D.Traverse City, MI 496841730184847
- William Howard, MDTraverse City, MI 496841588669725
- David Macdougall, MDTraverse City, MI 496841659376416
- Michael Salata, M.D.Traverse City, MI 496841275538670
Common questions
What is William Thomas Kern, MD's NPI number?
William Thomas Kern, MD's National Provider Identifier (NPI) is 1316189467, issued on Apr 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William Thomas Kern, MD located?
The NPPES record lists a practice address at 1105 Sixth St, Traverse City, MI, 49684. Phone: (231) 922-9270. Providers update this record themselves, so call before visiting.
How can I verify William Thomas Kern, MD's license?
NPPES lists Michigan license number 4301102360, as entered by the provider. 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 Thomas Kern, MD prescribe under Medicare Part D?
In 2024, William Thomas Kern, MD had 243 Medicare Part D claims for 144 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.