Gregory Vanwienen, MD
Family Medicine Physician · Jenison, MI
Gregory Vanwienen, MD is a family medicine physician with a practice address in Jenison, Michigan, and NPI 1194771972, issued on May 25, 2006. Check the license (Michigan 4301063899, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gregory Vanwienen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301063899 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7780 20TH Ave, Jenison, MI 49428
- Phone
- (616) 685-8700
- Enumerated
- May 25, 2006
- Record last updated
- Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (616) 457-5567
- Medicaid IDs
- 3416300 MI
4155666 MI
4876870 MI
3358029 MI - Medicare enrollment
- Enrolled (PECOS I20060918000335); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Verify Gregory Vanwienen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301063899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average family medicine physician in 2024
5,124 Medicare Part D claims for 466 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 201 claims were for opioids.
Most prescribed
- Atorvastatin Calcium327 claims
- Levothyroxine Sodium316 claims
- Lisinopril220 claims
- Amlodipine Besylate211 claims
- Omeprazole207 claims
- Hydrochlorothiazide181 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
- Advantage Health/saint Mary's Medical GroupJenison, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Vanwienen among 6,013 family medicine physician records in Michigan
Gregory Vanwienen, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1994 · median 2008 among the 3,493 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Jenison
They are 13 of the 347 NPPES records with a practice address in Jenison, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Jenison → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karl Breitweiser, D.O.Jenison, MI 494281154384931
- Brian Decker, MDJenison, MI 494281801809157
- Diana Dillman, D.O.Jenison, MI 494281235192188
- Amy Henne, MDJenison, MI 494281104879592
- Mark Jary, MDJenison, MI 494281467407049
- Matthew Medley, DOJenison, MI 494281033473053
- James Mitton, D.O.Jenison, MI 494281922062108
- Peter Ritsema, MDJenison, MI 494281235185067
Common questions
What is Gregory Vanwienen, MD's NPI number?
Gregory Vanwienen, MD's National Provider Identifier (NPI) is 1194771972, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Vanwienen, MD located?
The NPPES record lists a practice address at 7780 20TH Ave, Jenison, MI, 49428. Phone: (616) 685-8700. Providers update this record themselves, so call before visiting.
How can I verify Gregory Vanwienen, MD's license?
NPPES lists Michigan license number 4301063899, 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 Gregory Vanwienen, MD prescribe under Medicare Part D?
In 2024, Gregory Vanwienen, MD had 5,124 Medicare Part D claims for 466 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.