Gregory J. Fahrenbach, MD
Orthopaedic Trauma Physician · Chicago, IL
Gregory J. Fahrenbach, MD is an orthopaedic trauma physician with a practice address in Chicago, Illinois, and NPI 1861475964, issued on Nov 22, 2005. Check the license (Illinois 036062547, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Fahrenbach
- Credential
- MD
- Primary taxonomy
- Orthopaedic Trauma Physician 207XX0801X
- License number
- 036062547 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7447 W Talcott Ave, Chicago, IL 60631
- Phone
- (773) 631-7898
- Enumerated
- Nov 22, 2005
- Record last updated
- Feb 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (773) 631-3005
- Medicaid ID
- 036062547 IL
- Entity
- Type 1 · individual
8 nearest orthopaedic trauma physician records → All 18 in Illinois → Look up another NPI →
Also registered at 7447 W Talcott Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory J. Fahrenbach 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 036062547Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average orthopaedic trauma physician in 2024
24 Medicare Part D claims, against an average of 151 among the 627 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 72.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Gregory J. Fahrenbach among 18 orthopaedic trauma physician records in Illinois
Gregory J. Fahrenbach, MD is one of 18 orthopaedic trauma physician records with a practice address in Illinois. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0801X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Trauma Physician providers in Illinois
There are 18 orthopaedic trauma physician records in Illinois.
All 18 in Illinois → Every provider in Chicago → Orthopaedic Trauma Physician nationwide →
The 8 orthopaedic trauma physician records with the nearest ZIP codes
- Alexander Crespo, M.D.Chicago, IL 606181982083887
- James Kapotas, M.D.Chicago, IL 606121528128089
- Joel Williams, M.D.Chicago, IL 606121851553374
- Bennet ButlerChicago, IL 606111548687635
- Scott Cordes, MDChicago, IL 606111467424994
- Srikanth Divi, M.D.Chicago, IL 606111518305457
- Evan Dougherty, M.D.Hinsdale, IL 605211871828947
- Garin Hecht, M.D.Maywood, IL 601531073872248
Common questions
What is Gregory J. Fahrenbach, MD's NPI number?
Gregory J. Fahrenbach, MD's National Provider Identifier (NPI) is 1861475964, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Fahrenbach, MD located?
The NPPES record lists a practice address at 7447 W Talcott Ave, Chicago, IL, 60631. Phone: (773) 631-7898. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Fahrenbach, MD's license?
NPPES lists Illinois license number 036062547, 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 Gregory J. Fahrenbach, MD prescribe under Medicare Part D?
In 2024, Gregory J. Fahrenbach, MD had 24 Medicare Part D claims; the average among orthopaedic trauma physician prescribers was 151. Part D covers Medicare prescriptions only.
What is Gregory J. Fahrenbach, MD's MIPS final score?
The 2023 MIPS final score is 72.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.