Doctor profile · Federal record
Dr. Hoyee Chan, MD
Internal Medicine Physician · Buffalo Grove, IL
- NPI 1336208297
- MIPS 90.4 / 100 · 2023
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 McHenry RD, Town Center Shopping Center
Buffalo Grove, IL 600896740
(847) 520-9424
fax (847) 998-9918 - Mailing address
-
2650 Ridge Ave, Evanston Hospital
Evanston, IL 602011718
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- October 13, 2020
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-070726
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336208297. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,032
Distinct HCPCS
10
Medicare allowed
$196,500
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 396 | 233 | $133 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 270 | 270 | $136 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 208 | 204 | $8 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 207 | 203 | $7 | |
99497 |
Advance care planning, first 30 minutes | 182 | 172 | $87 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 169 | 111 | $188 | |
G0008 |
Administration of influenza virus vaccine | 98 | 98 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 79 | 79 | $72 | |
G0009 |
Administration of pneumococcal vaccine | 71 | 70 | $32 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 66 | 65 | $282 |
In context: peer comparison
Among 7 peers in Buffalo Grove Internal Medicine Physician, average services per provider: 101. This provider delivers 20× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,623
Patients
788
Total drug cost
$37,339
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 600 | 183 | $7,706 |
| Amlodipine Besylate | Generic | 365 | 106 | $3,774 |
| Losartan Potassium | Generic | 235 | 67 | $2,828 |
| Levothyroxine Sodium | Generic | 228 | 61 | $3,831 |
| Lisinopril | Generic | 185 | 55 | $2,174 |
| Metformin Hcl | Generic | 181 | 52 | $1,884 |
| Metoprolol Succinate | Generic | 136 | 44 | $2,806 |
| Rosuvastatin Calcium | Generic | 131 | 42 | $4,012 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 97 | 30 | $843 |
| Omeprazole | Generic | 84 | 31 | $975 |
Frequently asked questions
What is Dr. Hoyee Chan's medical specialty?
Dr. Hoyee Chan practices Internal Medicine Physician in Buffalo Grove, IL.
Where does Dr. Hoyee Chan practice?
Dr. Hoyee Chan practices at 400 McHenry RD, Buffalo Grove, IL 600896740. Office phone: 8475209424.
What is Dr. Hoyee Chan's NPI?
Dr. Hoyee Chan's National Provider Identifier (NPI) is 1336208297, issued by NPPES.
What procedures does Dr. Hoyee Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.