Peter Ritsema, MD
Family Medicine Physician · Jenison, MI
Peter Ritsema, MD is a family medicine physician with a practice address in Jenison, Michigan, and NPI 1235185067, issued on May 25, 2006. Check the license (Michigan 4301060156, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter Ritsema
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301060156 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7782 20TH Ave, Jenison, MI 49428
- Phone
- (616) 685-8700
- Enumerated
- May 25, 2006
- Entity
- Type 1 · individual
Also registered at 7782 20TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitchell CavanaughAmbulatory Care Pharmacist1932667144
- Brian Decker, MDFamily Medicine Physician1801809157
- Amy Henne, MDFamily Medicine Physician1104879592
- Mark Jary, MDFamily Medicine Physician1467407049
- Hanh Nguyen, PA-CPhysician Assistant1154570802
- Emily Schipper, MDFamily Medicine Physician1184074239
Verify Peter Ritsema in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine
Search for license 4301060156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
9,860 Medicare Part D claims for 719 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 398 claims were for opioids.
Most prescribed
- Atorvastatin Calcium859 claims
- Rosuvastatin Calcium439 claims
- Lisinopril435 claims
- Levothyroxine Sodium433 claims
- Amlodipine Besylate349 claims
- Omeprazole294 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.
One hospital or facility affiliation
- Advantage Health/saint Mary's Medical GroupJenison, MI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
13 family medicine physician records list a Jenison practice address
They are 13 of the 347 NPPES records with a Jenison practice address, and 5,783 family medicine physician records in Michigan.
All 13 in Jenison → All 5,783 in Michigan → Every provider in Jenison →
Other family medicine physician records in Michigan
- Asma AbbasHamtramck, MI1982946463
- Saadia Abbas, MDChesterfield, MI1619136868
- Faezeh AbbasiMonroe, MI1144065921
- Layla Abbasi, MDWayne, MI1346177607
- Marisa Abbo, DORochester Hills, MI1184605388
- Cathleen Abbott, M.D.East Lansing, MI1275630501
- Leah Abbott, MDGwinn, MI1760987341
- Nina Abboud, DORochester Hills, MI1639750557
- Ryan Abboud, DOBingham Farms, MI1104353077
- Christina Abd, MDSterling Heights, MI1770371965
Common questions
What is Peter Ritsema, MD's NPI number?
Peter Ritsema, MD's National Provider Identifier (NPI) is 1235185067, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Ritsema, MD located?
The NPPES record lists a practice address at 7782 20TH Ave, Jenison, MI, 49428. Phone: (616) 685-8700. Providers update this record themselves, so call before visiting.
How can I verify Peter Ritsema, MD's license?
NPPES lists Michigan license number 4301060156, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Ritsema, MD prescribe under Medicare Part D?
In 2024, Peter Ritsema, MD had 9,860 Medicare Part D claims for 719 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.