Benjamin Gruber, MD, PHD, FACS
Otolaryngology Physician · Chicago, IL
Benjamin Gruber, MD, PHD, FACS is an otolaryngology physician with a practice address in Chicago, Illinois, and NPI 1134197957, issued on Mar 9, 2006. Check the license (Illinois 036-067590, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Benjamin Gruber
- Credential
- MD, PHD, FACS
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 036-067590 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2535 S King Dr, Chicago, IL 60616
- Phone
- (312) 842-7117
- Enumerated
- Mar 9, 2006
- Record last updated
- Jul 9, 2025
- Fax
- (312) 326-2102
- Medicare enrollment
- Enrolled (PECOS I20040714000264); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 482 in Illinois → Look up another NPI →
Also registered at 2535 S King Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrienne Arnold, MSN, APRN, FNP-CNurse Practitioner1720888936
- Heidi Brookenthal, D.O.Family Medicine Physician1205911237
- Sharony Brown, RDNRegistered Dietitian1508344862
- Sarah Cook, PA-CPhysician Assistant1417788092
- Laura Dejulia, AUDAudiologist1437426046
- Linus Ema, DOInternal Medicine Physician1891728010
Verify Benjamin Gruber 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 036-067590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average otolaryngology physician in 2024
364 Medicare Part D claims for 174 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 41 claims were for opioids.
Most prescribed
- Famotidine67 claims
- Fluticasone Propionate42 claims
- Tramadol Hcl38 claims
- Methylprednisolone29 claims
- Cephalexin19 claims
- Ciprofloxacin-Dexamethasone16 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: $140.91
6 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Advocate Health And Hospitals CorporationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Gruber among 482 otolaryngology physician records in Illinois
Benjamin Gruber, MD, PHD, FACS is one of 482 otolaryngology 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 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1982 · median 2005 among the 290 with a school on file
- Record last updated2025 · 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 207Y00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Illinois
There are 482 otolaryngology physician records in Illinois.
All 482 in Illinois → Every provider in Chicago → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Max Plitt, M.D.Chicago, IL 606171497137699
- Omotara Sulyman, MDChicago, IL 606141093104523
- Thomas Cyberski, MDChicago, IL 606121598466526
- Glen D Souza, MDChicago, IL 606121962248211
- William Doyle, MDChicago, IL 606121598556524
- Allison EpsteinChicago, IL 606121629877030
- Lindsay Fleischer, MDChicago, IL 606121689313256
- Jack Garcia, MDChicago, IL 606121902744238
Common questions
What is Benjamin Gruber, MD, PHD, FACS's NPI number?
Benjamin Gruber, MD, PHD, FACS's National Provider Identifier (NPI) is 1134197957, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Gruber, MD, PHD, FACS located?
The NPPES record lists a practice address at 2535 S King Dr, Chicago, IL, 60616. Phone: (312) 842-7117. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Gruber, MD, PHD, FACS's license?
NPPES lists Illinois license number 036-067590, 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 Benjamin Gruber, MD, PHD, FACS prescribe under Medicare Part D?
In 2024, Benjamin Gruber, MD, PHD, FACS had 364 Medicare Part D claims for 174 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.