Kenneth Bretts, DO
Family Medicine Physician · Chicago, IL
Kenneth Bretts, DO is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1285717678, issued on Oct 23, 2006. Check the license (Illinois 036-050271, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kenneth Bretts
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036-050271 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3303 W. 26TH St., Chicago, IL 60623
- Phone
- (773) 277-6589
- Enumerated
- Oct 23, 2006
- Record last updated
- May 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (773) 277-1841
- Medicare enrollment
- Enrolled (PECOS I20040414000888); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1973
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Kenneth Bretts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-050271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average family medicine physician in 2024
2,820 Medicare Part D claims for 255 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium243 claims
- Metformin Hcl174 claims
- Lisinopril159 claims
- Amlodipine Besylate143 claims
- Levothyroxine Sodium72 claims
- Rosuvastatin Calcium71 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
- Access Community Health NetworkChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth Bretts among 6,215 family medicine physician records in Illinois
Kenneth Bretts, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1973 · median 2006 among the 3,714 with a school on file
- Record last updated2012 · 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 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gabrielle Barber, M.D.Chicago, IL 606231770520959
- David Buchanan, M.D.Chicago, IL 606231689611865
- Wayne Detmer, M.D.Chicago, IL 606231972558880
- Jose Deurrutia, M.D.Chicago, IL 606231831136647
- Howard Ehrman, M.D., M.P.H.Chicago, IL 606231770540585
- Kara Greeley, M.D.Chicago, IL 606231013954296
- Sandra Hoogland, M.D.Chicago, IL 606231578518320
- John Houchins, MDChicago, IL 606231740211911
Common questions
What is Kenneth Bretts, DO's NPI number?
Kenneth Bretts, DO's National Provider Identifier (NPI) is 1285717678, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Bretts, DO located?
The NPPES record lists a practice address at 3303 W. 26TH St., Chicago, IL, 60623. Phone: (773) 277-6589. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Bretts, DO's license?
NPPES lists Illinois license number 036-050271, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kenneth Bretts, DO prescribe under Medicare Part D?
In 2024, Kenneth Bretts, DO had 2,820 Medicare Part D claims for 255 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.