Joshua Benjamin Katz, M.D.
Endocrinology, Diabetes & Metabolism Physician · Chicago, IL
Joshua Benjamin Katz, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Chicago, Illinois, and NPI 1912355918, issued on May 31, 2016. Check the license (Illinois 036.148567, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Joshua Benjamin Katz
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 036.148567 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1801 W Taylor St # 1C, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- May 31, 2016
- Record last updated
- Jul 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20190726002211); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
Verify Joshua Benjamin Katz 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 036.148567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
295 Medicare Part D claims for 43 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Levothyroxine Sodium40 claims
- Atorvastatin Calcium27 claims
- Trulicity20 claims
- Mounjaro18 claims
- Jardiance15 claims
- Lantus Solostar14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 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).
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Benjamin Katz among 436 endocrinology, diabetes & metabolism physician records in Illinois
Joshua Benjamin Katz, M.D. is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2016 · median 2006 among the 295 with a school on file
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Chicago → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Ambika Amblee, MDChicago, IL 606121225090590
- Antonio Bianco, M.D.Chicago, IL 606121720225188
- Yuval Eisenberg, M.D.Chicago, IL 606121366685828
- Leon Fogelfeld, M.D.Chicago, IL 606121699732305
- Rasa Kazlauskaite, MD, MSC, FACEChicago, IL 606121487609954
- Subhash Kukreja, M.D.Chicago, IL 606121962511238
- Evelyn Lacuesta, M.D.Chicago, IL 606121730122672
- Susana Mascarell, M.DChicago, IL 606121700831328
Common questions
What is Joshua Benjamin Katz, M.D.'s NPI number?
Joshua Benjamin Katz, M.D.'s National Provider Identifier (NPI) is 1912355918, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Benjamin Katz, M.D. located?
The NPPES record lists a practice address at 1801 W Taylor St # 1C, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Joshua Benjamin Katz, M.D.'s license?
NPPES lists Illinois license number 036.148567, 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 Joshua Benjamin Katz, M.D. prescribe under Medicare Part D?
In 2024, Joshua Benjamin Katz, M.D. had 295 Medicare Part D claims for 43 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Joshua Benjamin Katz, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 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.