Doctor profile · Federal record
Dr. Nan Chen
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Chicago, IL
- NPI 1558749887
- Accepts Medicare
- MIPS 87.7 / 100 · 2023
- 11 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5841 S Maryland Ave
Chicago, IL 606371443
(888) 824-0200 - Additional location
-
10855 Virginia St
Crown Point, IN 463070210 - Mailing address
-
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- April 3, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- Illinois #036156991 · Indiana #01091761A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558749887. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
438
Distinct HCPCS
7
Medicare allowed
$52,660
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 162 | 78 | $102 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 121 | 37 | $123 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 39 | 23 | $150 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 31 | $69 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 32 | 32 | $191 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 28 | 28 | $182 | |
99238 |
Hospital discharge day management, 30 minutes or less | 21 | 20 | $84 |
In context: peer comparison
Among 77 peers in Chicago Hematology & Oncology Physician, average services per provider: 870. This provider delivers 0.5× the peer median.Open Payments
Industry payments received
All-time total
$8,388
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| TerSera Therapeutics LLC | 3 | $3,124.79 | |
| Novartis Pharmaceuticals Corporation | 1 | $2,362.50 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $1,690.00 | |
| Daiichi Sankyo INC. | 1 | $1,102.00 | |
| Gilead Sciences, INC. | 1 | $108.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
640
Patients
169
Total drug cost
$1,721,443
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 187 | 67 | $8,817 |
| Anastrozole | Generic | 113 | 34 | $3,237 |
| Exemestane | Generic | 89 | 20 | $27,011 |
| Kisqali (Ribociclib Succinate) | Brand | 46 | 0 | $655,038 |
| Tamoxifen Citrate | Generic | 42 | 17 | $1,852 |
| Ondansetron Hcl | Generic | 41 | 17 | $577 |
| Ibrance (Palbociclib) | Brand | 34 | 0 | $583,074 |
| Prochlorperazine Maleate | Generic | 23 | 14 | $313 |
| Gabapentin | Generic | 17 | 0 | $84 |
| Afinitor (Everolimus) | Brand | 13 | 0 | $224,390 |
Frequently asked questions
What is Dr. Nan Chen's medical specialty?
Dr. Nan Chen practices Hematology & Oncology Physician in Chicago, IL.
Where does Dr. Nan Chen practice?
Dr. Nan Chen practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Nan Chen's NPI?
Dr. Nan Chen's National Provider Identifier (NPI) is 1558749887, issued by NPPES.
Does Dr. Nan Chen accept Medicare assignment?
Yes. Dr. Nan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nan Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.