Christopher Brenner, MD
Family Medicine Physician · Countryside, IL
Christopher Brenner, MD is a family medicine physician with a practice address in Countryside, Illinois, and NPI 1629020102, issued on May 16, 2006. Check the license (Illinois 036073572, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Christopher Brenner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036073572 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9910 W 55TH St, Countryside, IL 60525
- Phone
- (708) 352-6166
- Enumerated
- May 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (708) 352-3864
- Medicaid ID
- 036073572 IL
- Medicare enrollment
- Enrolled (PECOS I20040506001247); may accept Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Christopher Brenner 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 036073572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average family medicine physician in 2024
5,263 Medicare Part D claims for 506 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 171 claims were for opioids.
Most prescribed
- Atorvastatin Calcium304 claims
- Amlodipine Besylate268 claims
- Levothyroxine Sodium237 claims
- Lisinopril213 claims
- Metformin Hcl207 claims
- Simvastatin161 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: $138.15
8 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Nani Internal Med LLCDowners Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Brenner among 6,215 family medicine physician records in Illinois
Christopher Brenner, MD 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
- Graduated1985 · median 2006 among the 3,714 with a school on file
- Record last updated2007 · 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).
4 family medicine physician records list a practice address in Countryside
They are 4 of the 223 NPPES records with a practice address in Countryside, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Countryside → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Guy Agostino, M.D.La Grange, IL 605251992769822
- Vince Bartolomeo, MDLa Grange, IL 605251275558629
- Daniel Chen, DOLa Grange Highlands, IL 605251356355812
- Michael Dupont, MDLa Grange Highlands, IL 605251508817750
- William Gros, M.D.La Grange, IL 605251316902919
- Daniel Hunter Smith, MDLa Grange, IL 605251619925963
- Leo Koenig, MDLa Grange, IL 605251013967322
- William Moran, D.O.La Grange, IL 605251407947187
Common questions
What is Christopher Brenner, MD's NPI number?
Christopher Brenner, MD's National Provider Identifier (NPI) is 1629020102, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Brenner, MD located?
The NPPES record lists a practice address at 9910 W 55TH St, Countryside, IL, 60525. Phone: (708) 352-6166. Providers update this record themselves, so call before visiting.
How can I verify Christopher Brenner, MD's license?
NPPES lists Illinois license number 036073572, 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 Christopher Brenner, MD prescribe under Medicare Part D?
In 2024, Christopher Brenner, MD had 5,263 Medicare Part D claims for 506 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.