Doctor profile · Federal record
Dr. Cory Chen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1851394548
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4833 N Milwaukee Ave
Chicago, IL 606302145
(773) 205-2857
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- March 12, 2021
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036095449
- Medicaid
- IL #036095449
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851394548. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
464
Distinct HCPCS
8
Medicare allowed
$39,296
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 149 | 109 | $133 | |
36415 |
Insertion of needle into vein for collection of blood sample | 124 | 112 | $8 | |
83036 |
Hemoglobin a1c level | 56 | 51 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 45 | 33 | $95 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 29 | 29 | $134 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 25 | 24 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 25 | 24 | $32 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 11 | 11 | $172 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,620
Patients
831
Total drug cost
$174,463
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 563 | 184 | $8,343 |
| Amlodipine Besylate | Generic | 264 | 86 | $2,551 |
| Rosuvastatin Calcium | Generic | 243 | 79 | $4,919 |
| Metformin Hcl | Generic | 228 | 82 | $1,846 |
| Levothyroxine Sodium | Generic | 215 | 62 | $3,950 |
| Losartan Potassium | Generic | 143 | 50 | $2,239 |
| Montelukast Sodium | Generic | 141 | 39 | $1,941 |
| Metoprolol Tartrate | Generic | 135 | 43 | $1,450 |
| Omeprazole | Generic | 124 | 36 | $1,873 |
| Jardiance (Empagliflozin) | Brand | 123 | 32 | $137,454 |
Frequently asked questions
What is Dr. Cory Chen's medical specialty?
Dr. Cory Chen practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Cory Chen practice?
Dr. Cory Chen practices at 4833 N Milwaukee Ave, Chicago, IL 606302145. Office phone: 7732052857.
What is Dr. Cory Chen's NPI?
Dr. Cory Chen's National Provider Identifier (NPI) is 1851394548, issued by NPPES.
Does Dr. Cory Chen accept Medicare assignment?
Yes. Dr. Cory Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cory Chen 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.