Troy Joseph Mensen, D.O.
Family Medicine Physician · Chicago, IL
Troy Joseph Mensen, D.O. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1821522376, issued on Apr 11, 2017. Check the license (Illinois 036.152883, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Troy Joseph Mensen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036.152883 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3134 N Clark St, Chicago, IL 60657
- Phone
- (312) 766-4949
- Enumerated
- Apr 11, 2017
- Record last updated
- Aug 9, 2022
- Fax
- (312) 766-4908
- Medicare enrollment
- Enrolled (PECOS I20200728003315); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 3134 N Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Troy Joseph Mensen 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 036.152883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average family medicine physician in 2024
4,609 Medicare Part D claims for 460 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. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium412 claims
- Amlodipine Besylate261 claims
- Lisinopril221 claims
- Losartan Potassium197 claims
- Levothyroxine Sodium192 claims
- Rosuvastatin Calcium174 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 2 group practices
- Advocate Health And Hospitals CorporationChicago, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Troy Joseph Mensen among 6,215 family medicine physician records in Illinois
Troy Joseph Mensen, D.O. 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 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2006 among the 3,714 with a school on file
- Record last updated2022 · 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
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- Lulu Husain, M.DChicago, IL 606571043319130
- Rajesh Iyengar, MDChicago, IL 606571821023714
Common questions
What is Troy Joseph Mensen, D.O.'s NPI number?
Troy Joseph Mensen, D.O.'s National Provider Identifier (NPI) is 1821522376, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Troy Joseph Mensen, D.O. located?
The NPPES record lists a practice address at 3134 N Clark St, Chicago, IL, 60657. Phone: (312) 766-4949. Providers update this record themselves, so call before visiting.
How can I verify Troy Joseph Mensen, D.O.'s license?
NPPES lists Illinois license number 036.152883, 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 Troy Joseph Mensen, D.O. prescribe under Medicare Part D?
In 2024, Troy Joseph Mensen, D.O. had 4,609 Medicare Part D claims for 460 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.