Douglas R. Vanderjagt, D.O.
Internal Medicine Physician · Williamston, MI
Douglas R. Vanderjagt, D.O. is an internal medicine physician with a practice address in Williamston, Michigan, and NPI 1730121880, issued on Jun 12, 2006. Check the license (Michigan 5101013545, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Douglas R. Vanderjagt
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101013545 MI
Self-reported in NPPES; status is on the state search - Practice location
- 839 S Putnam St, Williamston, MI 48895
- Phone
- (517) 655-3515
- Enumerated
- Jun 12, 2006
- Record last updated
- Mar 24, 2025
- Fax
- (855) 476-0189
- Medicaid IDs
- 4218345 MI
4835895 MI - Medicare enrollment
- Enrolled (PECOS I20040406001309); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 839 S Putnam St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathy Grace, PACPhysician Assistant1720119522
- Donald Hillman, D.O.Family Medicine Physician1811942097
- William Jordan, PAPhysician Assistant1144302803
- Shelly Vliet, NURSE PRACTITIONERFamily Nurse Practitioner1992292353
Verify Douglas R. Vanderjagt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101013545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,596 Medicare Part D claims for 686 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 621 claims were for opioids.
Most prescribed
- Atorvastatin Calcium485 claims
- Amlodipine Besylate433 claims
- Levothyroxine Sodium432 claims
- Omeprazole330 claims
- Pantoprazole Sodium289 claims
- Metoprolol Succinate272 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: $737.31
43 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Capital Internal Medicine Associates P.C.Williamston, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas R. Vanderjagt among 5,735 internal medicine physician records in Michigan
Douglas R. Vanderjagt, D.O. 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
- Graduated1997 · median 2006 among the 3,564 with a school on file
- Record last updated2025 · 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).
1 internal medicine physician record lists a practice address in Williamston
They are 1 of the 56 NPPES records with a practice address in Williamston, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Williamston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Clifton, MDLansing, MI 489061255493086
- Christopher Alvarado, DOLansing, MI 489101073772968
- Jill Barry, MDLansing, MI 489101285629238
- Stephanie BaukusLansing, MI 489101578981189
- Aaron Bohrer, D.O.Lansing, MI 489101548472079
- Caroline Heideman, DOLansing, MI 489101891229100
- Ujwala Koduru, MDLansing, MI 489101700290806
- Brian Mahany, DOLansing, MI 489101821084153
Common questions
What is Douglas R. Vanderjagt, D.O.'s NPI number?
Douglas R. Vanderjagt, D.O.'s National Provider Identifier (NPI) is 1730121880, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas R. Vanderjagt, D.O. located?
The NPPES record lists a practice address at 839 S Putnam St, Williamston, MI, 48895. Phone: (517) 655-3515. Providers update this record themselves, so call before visiting.
How can I verify Douglas R. Vanderjagt, D.O.'s license?
NPPES lists Michigan license number 5101013545, 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 Douglas R. Vanderjagt, D.O. prescribe under Medicare Part D?
In 2024, Douglas R. Vanderjagt, D.O. had 10,596 Medicare Part D claims for 686 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.