Bobby Diniotis, M.D.
Hospitalist Physician · Chicago, IL
Bobby Diniotis, M.D. is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1215348149, issued on May 13, 2014. Check the license (Illinois 036.143529, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Bobby Diniotis
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036.143529 IL
036143529 IL
125.064329 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1500 S Fairfield Ave, Chicago, IL 60608
- Phone
- (773) 257-5077
- Enumerated
- May 13, 2014
- Record last updated
- Dec 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20170803000455); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 1500 S Fairfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bobby Diniotis 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 036.143529Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average hospitalist physician in 2024
579 Medicare Part D claims for 100 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Entresto60 claims
- Atorvastatin Calcium44 claims
- Carvedilol42 claims
- Clopidogrel41 claims
- Metoprolol Succinate33 claims
- Furosemide32 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: $2,161.26
67 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 7,324 providers of this specialty with any payment received $494.84 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
- Insight Chicago IncChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bobby Diniotis among 1,535 hospitalist physician records in Illinois
Bobby Diniotis, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 48% of them.
- NPI issued2014 · 48% of these records are older, 48% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2011 · median 2013 among the 1,339 with a school on file
- Record last updated2022 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Chaudhary Ahmed, M.DChicago, IL 606081144637380
- Suhair Aldewairey, M.D.Chicago, IL 606081932428281
- Sandal Ishaque, MDChicago, IL 606081659722262
- Aysha Khan, M.D.Chicago, IL 606081346774536
- Toritseju Okorodudu, MDChicago, IL 606081366095572
- Jahanzeb Qureshi, MDChicago, IL 606081881121929
- Rahul Rauniyar, M.D.Chicago, IL 606081558926907
- Fang Wu, M.D.Chicago, IL 606081578841615
Common questions
What is Bobby Diniotis, M.D.'s NPI number?
Bobby Diniotis, M.D.'s National Provider Identifier (NPI) is 1215348149, issued on May 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Bobby Diniotis, M.D. located?
The NPPES record lists a practice address at 1500 S Fairfield Ave, Chicago, IL, 60608. Phone: (773) 257-5077. Providers update this record themselves, so call before visiting.
How can I verify Bobby Diniotis, M.D.'s license?
NPPES lists Illinois license number 036.143529, 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 Bobby Diniotis, M.D. prescribe under Medicare Part D?
In 2024, Bobby Diniotis, M.D. had 579 Medicare Part D claims for 100 beneficiaries; the average among hospitalist physician prescribers was 521. 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.