Doctor profile · Federal record
Dr. Benjamin Gruber, MD, PHD, FACS
Otolaryngology Physician (CMS: Otolaryngology) · Chicago, IL
- NPI 1134197957
- Accepts Medicare
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2535 S King Dr
Chicago, IL 606164746
(312) 842-7117
fax (312) 326-2102 - Additional location
-
2525 S Michigan Ave, Ear Nose and Throat Center, Mercy Hospital
Chicago, IL 606162477
(312) 567-2002 - Mailing address
-
29373 Network Pl
Chicago, IL 606731293
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 9, 2025
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State license (1)
- Illinois #036-067590
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134197957. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
365
Distinct HCPCS
10
Medicare allowed
$35,487
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 90 | 69 | $94 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 82 | 82 | $119 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 38 | 31 | $58 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 28 | $133 | |
69210 |
Removal of impacted ear wax | 30 | 29 | $48 | |
36415 |
Insertion of needle into vein for collection of blood sample | 23 | 18 | $8 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 23 | 23 | $75 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 19 | 19 | $175 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 16 | 13 | $138 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 12 | 12 | $163 |
In context: peer comparison
Among 38 peers in Chicago Otolaryngology Physician, average services per provider: 71. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$141
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Healthcare Solutions, INC. | 2 | $71.19 | |
| Edwards Lifesciences Corporation | 1 | $32.95 | |
| GlaxoSmithKline, LLC. | 1 | $18.50 | |
| Atos Medical INC | 1 | $14.16 | |
| Ambu INC. | 1 | $4.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
307
Patients
175
Total drug cost
$9,808
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 47 | 28 | $760 |
| Methylprednisolone | Generic | 47 | 41 | $498 |
| Fluticasone Propionate | Generic | 46 | 23 | $845 |
| Tramadol Hcl | Generic | 39 | 38 | $88 |
| Cefadroxil | Generic | 24 | 20 | $334 |
| Ipratropium Bromide | Generic | 20 | 0 | $752 |
| Ciprofloxacin-Dexamethasone (Ciprofloxacin Hcl/Dexameth) | Brand | 19 | 0 | $2,764 |
| Cephalexin | Generic | 15 | 14 | $71 |
| Ofloxacin | Generic | 15 | 11 | $879 |
| Neomycin-Polymyxin-Hydrocort (Neomycin/Polymyxin B/Hydrocort) | Brand | 13 | 0 | $746 |
Hospital affiliations
Frequently asked questions
What is Dr. Benjamin Gruber's medical specialty?
Dr. Benjamin Gruber practices Otolaryngology Physician in Chicago, IL.
Where does Dr. Benjamin Gruber practice?
Dr. Benjamin Gruber practices at 2535 S King Dr, Chicago, IL 606164746. Office phone: 3128427117.
What is Dr. Benjamin Gruber's NPI?
Dr. Benjamin Gruber's National Provider Identifier (NPI) is 1134197957, issued by NPPES.
Does Dr. Benjamin Gruber accept Medicare assignment?
Yes. Dr. Benjamin Gruber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Gruber commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.