Kristen Vanderhorn, DO
Internal Medicine Physician · Greenville, MI
Kristen Vanderhorn, DO is an internal medicine physician with a practice address in Greenville, Michigan, and NPI 1841244480, issued on May 19, 2006. Check the license (Michigan 5101011949, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Kristen Vanderhorn
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101011949 MI
Self-reported in NPPES; status is on the state search - Practice location
- 615 S Bower St, Greenville, MI 48838
- Phone
- (616) 754-4691
- Enumerated
- May 19, 2006
- Record last updated
- Feb 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050302000973); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 615 S Bower St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kristen Vanderhorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101011949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
313 Medicare Part D claims for 119 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Potassium Chloride19 claims
- Metoprolol Succinate15 claims
- Eliquis14 claims
- Prednisone14 claims
- Cefuroxime11 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Vanderhorn among 5,735 internal medicine physician records in Michigan
Kristen Vanderhorn, DO 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2006 among the 3,564 with a school on file
- Record last updated2021 · 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).
9 internal medicine physician records list a practice address in Greenville
They are 9 of the 363 NPPES records with a practice address in Greenville, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Greenville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Crittenden Md, M.D.Greenville, MI 488381437261815
- Asaf Harris, MDGreenville, MI 488381154842193
- Timothy Helder, MDGreenville, MI 488381306888367
- Bobbye Koning, M.D.Greenville, MI 488381265846281
- Eric Lee, MDGreenville, MI 488381669033890
- Gregory Page, MDGreenville, MI 488381487601464
- Kevin Reed, DOGreenville, MI 488381194771980
- Shawn Ruth, DOGreenville, MI 488381669429106
Common questions
What is Kristen Vanderhorn, DO's NPI number?
Kristen Vanderhorn, DO's National Provider Identifier (NPI) is 1841244480, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Vanderhorn, DO located?
The NPPES record lists a practice address at 615 S Bower St, Greenville, MI, 48838. Phone: (616) 754-4691. Providers update this record themselves, so call before visiting.
How can I verify Kristen Vanderhorn, DO's license?
NPPES lists Michigan license number 5101011949, 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 Kristen Vanderhorn, DO prescribe under Medicare Part D?
In 2024, Kristen Vanderhorn, DO had 313 Medicare Part D claims for 119 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kristen Vanderhorn, DO's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.