Doctor profile · Federal record
Dr. Aaron Benjamin, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Chicago, IL
- NPI 1699954537
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3134 N Clark St
Chicago, IL 606574414
(312) 766-4949
fax (312) 766-4908 - Additional location
-
9977 Woods Dr Ste 300
Skokie, IL 600771057
(847) 663-8540
fax (847) 663-1015 - Mailing address
-
29373 Network Pl
Chicago, IL 606731057
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- April 26, 2023
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Illinois #036116952
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699954537. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,031
Distinct HCPCS
9
Medicare allowed
$69,064
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 327 | 195 | $133 | |
36415 |
Insertion of needle into vein for collection of blood sample | 255 | 150 | $8 | |
83036 |
Hemoglobin a1c level | 147 | 92 | $10 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 101 | 62 | $59 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 86 | 51 | $35 | |
G0108 |
Diabetes outpatient self-management training services, individual, per 30 minutes | 44 | 29 | $56 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $175 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 17 | $176 | |
82043 |
Urine microalbumin (protein) level | 11 | 11 | $6 |
In context: peer comparison
Among 41 peers in Chicago Endocrinology, Diabetes & Metabolism Physician, average services per provider: 186. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$24
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ascensia Diabetes Care US INC. | 1 | $23.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,771
Patients
553
Total drug cost
$1,466,130
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trulicity (Dulaglutide) | Brand | 243 | 57 | $302,364 |
| Levothyroxine Sodium | Generic | 190 | 71 | $3,959 |
| Jardiance (Empagliflozin) | Brand | 174 | 45 | $189,253 |
| Ozempic (Semaglutide) | Brand | 164 | 47 | $281,756 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 121 | 47 | $94,201 |
| Mounjaro (Tirzepatide) | Brand | 112 | 26 | $157,753 |
| Metformin Hcl | Generic | 106 | 39 | $1,527 |
| Novolog Flexpen (Insulin Aspart) | Brand | 103 | 38 | $111,142 |
| Methimazole | Generic | 101 | 32 | $1,190 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 83 | 25 | $102,068 |
Hospital affiliations
Frequently asked questions
What is Dr. Aaron Benjamin's medical specialty?
Dr. Aaron Benjamin practices Endocrinology, Diabetes & Metabolism Physician in Chicago, IL.
Where does Dr. Aaron Benjamin practice?
Dr. Aaron Benjamin practices at 3134 N Clark St, Chicago, IL 606574414. Office phone: 3127664949.
What is Dr. Aaron Benjamin's NPI?
Dr. Aaron Benjamin's National Provider Identifier (NPI) is 1699954537, issued by NPPES.
Does Dr. Aaron Benjamin accept Medicare assignment?
Yes. Dr. Aaron Benjamin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Benjamin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.