Doctor profile · Federal record
Dr. Esther Kwak, DO
Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Internal Medicine Physician · Evanston, IL
- NPI 1578024055
- MIPS 90.4 / 100 · 2023
- 7 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2650 Ridge Ave., Office of the Chief Resident
Evanston, IL 60201
(847) 570-2505
fax (847) 570-2905 - Additional location
-
2650 Ridge Ave Ste 1304
Evanston, IL 602011700
(847) 570-2700
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- May 25, 2022
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Illinois #036158665 · Illinois #125073627
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578024055. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
118
Distinct HCPCS
3
Medicare allowed
$12,703
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 58 | 27 | $119 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 36 | 18 | $83 | |
99239 |
Hospital discharge day management, more than 30 minutes | 24 | 24 | $116 |
In context: peer comparison
Among 34 peers in Evanston Internal Medicine Physician, average services per provider: 91. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$566
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 3 | $464.48 | |
| Actelion Pharmaceuticals US, INC. | 2 | $46.03 | |
| Heartflow, INC. | 1 | $35.67 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $19.85 |
By nature of payment
Frequently asked questions
What is Dr. Esther Kwak's medical specialty?
Dr. Esther Kwak practices Internal Medicine Physician in Evanston, IL.
Where does Dr. Esther Kwak practice?
Dr. Esther Kwak practices at 2650 Ridge Ave., Evanston, IL 60201. Office phone: 8475702505.
What is Dr. Esther Kwak's NPI?
Dr. Esther Kwak's National Provider Identifier (NPI) is 1578024055, issued by NPPES.
What procedures does Dr. Esther Kwak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.