Doctor profile · Federal record
Dr. Chae Han - Chang, MD
Internal Medicine Physician (CMS: Internal Medicine) · Gurnee, IL
- NPI 1588777122
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
731 S Illinois Route 21, Suite 130
Gurnee, IL 600313813
(847) 566-3337
fax (847) 816-3166 - Additional location
-
350 S Waukegan RD Ste 100&200
Deerfield, IL 600155239
(847) 350-7297
fax (312) 926-2185 - Additional location
-
870 N Milwaukee Ave Fl 2
Vernon Hills, IL 600611521
(847) 535-7157
fax (847) 535-8210
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- August 7, 2025
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036096132
- Medicaid
- IL #036096132
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588777122. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
671
Distinct HCPCS
10
Medicare allowed
$58,996
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 178 | 135 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 101 | 101 | $136 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 100 | 75 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 88 | 69 | $95 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 39 | 39 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 39 | 39 | $32 | |
G0008 |
Administration of influenza virus vaccine | 36 | 35 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 35 | 34 | $72 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 25 | $183 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 17 | 17 | $15 |
In context: peer comparison
Among 11 peers in Gurnee Internal Medicine Physician, average services per provider: 92. This provider delivers 7.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,145
Patients
391
Total drug cost
$66,069
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 163 | 48 | $2,422 |
| Atorvastatin Calcium | Generic | 135 | 49 | $2,638 |
| Amlodipine Besylate | Generic | 130 | 49 | $1,971 |
| Lisinopril | Generic | 119 | 40 | $1,907 |
| Rosuvastatin Calcium | Generic | 90 | 31 | $2,097 |
| Losartan Potassium | Generic | 82 | 32 | $940 |
| Metoprolol Succinate | Generic | 69 | 27 | $1,386 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 61 | 24 | $643 |
| Zolpidem Tartrate | Generic | 56 | 15 | $312 |
| Pantoprazole Sodium | Generic | 51 | 18 | $1,246 |
Frequently asked questions
What is Dr. Chae Han - Chang's medical specialty?
Dr. Chae Han - Chang practices Internal Medicine Physician in Gurnee, IL.
Where does Dr. Chae Han - Chang practice?
Dr. Chae Han - Chang practices at 731 S Illinois Route 21, Gurnee, IL 600313813. Office phone: 8475663337.
What is Dr. Chae Han - Chang's NPI?
Dr. Chae Han - Chang's National Provider Identifier (NPI) is 1588777122, issued by NPPES.
Does Dr. Chae Han - Chang accept Medicare assignment?
Yes. Dr. Chae Han - Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chae Han - Chang commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.