Doctor profile · Federal record
Dr. Harjyot Chahal, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Hospitalist Physician · Vernon Hills, IL
- NPI 1306160247
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
870 N Milwaukee Ave Fl 2
Vernon Hills, IL 600611521
(847) 535-7647
fax (847) 535-8109 - Additional location
-
660 N Westmoreland RD
Lake Forest, IL 600451659
(847) 234-5600
Credentials & registration
- NPI registered
- March 2010 — 16 yrs on file
- Profile last updated
- October 16, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Illinois #036124980 · Illinois #036.124980
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306160247. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
846
Distinct HCPCS
10
Medicare allowed
$85,942
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 261 | 160 | $184 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 223 | 85 | $35 | |
83036 |
Hemoglobin a1c level | 77 | 58 | $10 | |
36415 |
Insertion of needle into vein for collection of blood sample | 71 | 54 | $8 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 60 | 60 | $229 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 21 | $80 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 28 | 13 | $117 | |
82947 |
Blood glucose (sugar) level | 21 | 18 | $4 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 17 | $133 | |
95250 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment | 18 | 18 | $153 |
In context: peer comparison
Among 1 peers in Vernon Hills Endocrinology, Diabetes & Metabolism Physician, average services per provider: 70. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$70
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dexcom, INC. | 1 | $45.78 | |
| Lilly USA, LLC | 1 | $24.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,189
Patients
349
Total drug cost
$978,029
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ozempic (Semaglutide) | Brand | 223 | 62 | $394,971 |
| Jardiance (Empagliflozin) | Brand | 150 | 36 | $156,046 |
| Levothyroxine Sodium | Generic | 132 | 44 | $1,974 |
| Trulicity (Dulaglutide) | Brand | 131 | 31 | $203,561 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 93 | 35 | $1,658 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 90 | 29 | $61,914 |
| Novolog Flexpen (Insulin Aspart) | Brand | 68 | 25 | $75,325 |
| Alendronate Sodium | Generic | 63 | 24 | $765 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 54 | 25 | $6,633 |
| Metformin Hcl | Generic | 42 | 13 | $197 |
Hospital affiliations
Frequently asked questions
What is Dr. Harjyot Chahal's medical specialty?
Dr. Harjyot Chahal practices Endocrinology, Diabetes & Metabolism Physician in Vernon Hills, IL.
Where does Dr. Harjyot Chahal practice?
Dr. Harjyot Chahal practices at 870 N Milwaukee Ave Fl 2, Vernon Hills, IL 600611521. Office phone: 8475357647.
What is Dr. Harjyot Chahal's NPI?
Dr. Harjyot Chahal's National Provider Identifier (NPI) is 1306160247, issued by NPPES.
Does Dr. Harjyot Chahal accept Medicare assignment?
Yes. Dr. Harjyot Chahal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harjyot Chahal commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.