Karl O. Breitweiser, D.O.
Family Medicine Physician · Jenison, MI
Karl O. Breitweiser, D.O. is a family medicine physician with a practice address in Jenison, Michigan, and NPI 1154384931, issued on Apr 11, 2006. Check the license (Michigan 5101012597, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Karl O. Breitweiser
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101012597 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7686 Georgetown Center Dr, Jenison, MI 49428
- Phone
- (616) 252-8600
- Enumerated
- Apr 11, 2006
- Record last updated
- Dec 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (616) 252-8660
- Medicare enrollment
- Enrolled (PECOS I20050506000498); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 7686 Georgetown Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Dillman, D.O.Family Medicine Physician1235192188
- Matthew Medley, DOFamily Medicine Physician1033473053
- Jayme Meyer, RNRegistered Nurse1336071349
- James Mitton, D.O.Family Medicine Physician1922062108
- Megan Mouser, NP-CNurse Practitioner1134529993
- Kristy Natte, FNP-CFamily Nurse Practitioner1992483200
Verify Karl O. Breitweiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101012597Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average family medicine physician in 2024
6,654 Medicare Part D claims for 635 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. 243 claims were for opioids.
Most prescribed
- Atorvastatin Calcium558 claims
- Omeprazole253 claims
- Metoprolol Succinate243 claims
- Lisinopril242 claims
- Levothyroxine Sodium221 claims
- Gabapentin213 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 3 group practices
- Center For Physical Rehabilitation And Therapy LPGrand Rapids, MI
- Center For Physical Rehabilitation IncGrand Rapids, MI
- Metropolitan HospitalJenison, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl O. Breitweiser among 6,013 family medicine physician records in Michigan
Karl O. Breitweiser, D.O. 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 updated2017 · 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
- 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
- Emily Schipper, MDJenison, MI 494281184074239
Common questions
What is Karl O. Breitweiser, D.O.'s NPI number?
Karl O. Breitweiser, D.O.'s National Provider Identifier (NPI) is 1154384931, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl O. Breitweiser, D.O. located?
The NPPES record lists a practice address at 7686 Georgetown Center Dr, Jenison, MI, 49428. Phone: (616) 252-8600. Providers update this record themselves, so call before visiting.
How can I verify Karl O. Breitweiser, D.O.'s license?
NPPES lists Michigan license number 5101012597, 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 Karl O. Breitweiser, D.O. prescribe under Medicare Part D?
In 2024, Karl O. Breitweiser, D.O. had 6,654 Medicare Part D claims for 635 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.