Doctor profile · Federal record
Dr. Mario Chan, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Arlington Heights, IL
- NPI 1104975176
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2101 S Arlington Heights RD, 111
Arlington Heights, IL 600054185
(847) 228-3200
fax (847) 228-3740
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- June 11, 2012
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Illinois #036104346
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104975176. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,501
Distinct HCPCS
10
Medicare allowed
$163,203
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 537 | 315 | $132 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 481 | 90 | $83 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 99 | 60 | $35 | |
76536 |
Ultrasound scan of head and neck soft tissue | 84 | 83 | $117 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 80 | 69 | $95 | |
G0407 |
Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth | 63 | 13 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 39 | 38 | $137 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 31 | $187 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $175 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $231 |
In context: peer comparison
Among 2 peers in Arlington Heights Endocrinology, Diabetes & Metabolism Physician, average services per provider: 135. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$5,294
Transactions
164
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 45 | $883.79 | |
| Dexcom, INC. | 12 | $598.54 | |
| Corcept Therapeutics | 11 | $403.27 | |
| Xeris Pharmaceuticals, INC. | 11 | $344.65 | |
| Amgen INC. | 14 | $288.75 | |
| Alexion Pharmaceuticals, INC. | 6 | $234.70 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 6 | $231.70 | |
| Mannkind Corporation | 10 | $216.84 | |
| Novo Nordisk INC | 11 | $208.55 | |
| Sanofi-Aventis U.S. LLC | 5 | $207.07 | |
| Abbott Laboratories | 9 | $192.51 | |
| Amneal Pharmaceuticals LLC | 10 | $189.42 | |
| Tandem Diabetes Care, INC. | 7 | $120.33 | |
| Antares Pharma, INC. | 6 | $104.11 | |
| Madrigal Pharmaceuticals | 1 | $98.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,843
Patients
593
Total drug cost
$865,880
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 553 | 159 | $10,307 |
| Metformin Hcl | Generic | 207 | 58 | $2,865 |
| Atorvastatin Calcium | Generic | 172 | 51 | $2,640 |
| Novolog Flexpen (Insulin Aspart) | Brand | 111 | 39 | $179,685 |
| Rosuvastatin Calcium | Generic | 108 | 35 | $2,094 |
| Jardiance (Empagliflozin) | Brand | 99 | 35 | $167,827 |
| Pioglitazone Hcl | Generic | 98 | 27 | $2,680 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 79 | 38 | $12,198 |
| Glipizide | Generic | 72 | 28 | $1,003 |
| Ezetimibe | Generic | 63 | 22 | $3,999 |
Hospital affiliations
Frequently asked questions
What is Dr. Mario Chan's medical specialty?
Dr. Mario Chan practices Endocrinology, Diabetes & Metabolism Physician in Arlington Heights, IL.
Where does Dr. Mario Chan practice?
Dr. Mario Chan practices at 2101 S Arlington Heights RD, Arlington Heights, IL 600054185. Office phone: 8472283200.
What is Dr. Mario Chan's NPI?
Dr. Mario Chan's National Provider Identifier (NPI) is 1104975176, issued by NPPES.
Does Dr. Mario Chan accept Medicare assignment?
Yes. Dr. Mario Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mario Chan 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 99232); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.