Doctor profile · Federal record
Dr. Ben Tseng, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1821104373
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
676 W St Clair, Ste 2300
Chicago, IL 606112922
(312) 926-6000
fax (312) 926-6344
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 12, 2013
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036116603
- Medicaid
- IL #036116603
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821104373. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,268
Distinct HCPCS
10
Medicare allowed
$115,932
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 439 | 220 | $134 | |
83036 |
Hemoglobin a1c level | 141 | 80 | $10 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 120 | 16 | $1 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 87 | 87 | $137 | |
G0008 |
Administration of influenza virus vaccine | 82 | 82 | $32 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 79 | 63 | $183 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 71 | 71 | $75 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 47 | 12 | $7 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 42 | 35 | $96 | |
20610 |
Aspiration and/or injection of fluid from large joint | 35 | 21 | $74 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 7.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,494
Patients
742
Total drug cost
$40,792
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 364 | 109 | $6,336 |
| Amlodipine Besylate | Generic | 300 | 87 | $3,193 |
| Rosuvastatin Calcium | Generic | 244 | 73 | $5,183 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 193 | 30 | $4,675 |
| Lisinopril | Generic | 172 | 52 | $1,988 |
| Metformin Hcl | Generic | 163 | 53 | $1,873 |
| Losartan Potassium | Generic | 154 | 51 | $2,436 |
| Levothyroxine Sodium | Generic | 142 | 40 | $2,424 |
| Tamsulosin Hcl | Generic | 122 | 38 | $3,457 |
| Hydrochlorothiazide | Generic | 119 | 46 | $632 |
Frequently asked questions
What is Dr. Ben Tseng's medical specialty?
Dr. Ben Tseng practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Ben Tseng practice?
Dr. Ben Tseng practices at 676 W St Clair, Chicago, IL 606112922. Office phone: 3129266000.
What is Dr. Ben Tseng's NPI?
Dr. Ben Tseng's National Provider Identifier (NPI) is 1821104373, issued by NPPES.
Does Dr. Ben Tseng accept Medicare assignment?
Yes. Dr. Ben Tseng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ben Tseng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.