Doctor profile · Federal record
Dr. Aaron Coates, MD
Internal Medicine Physician (CMS: Internal Medicine) · Rockford, IL
- NPI 1871603050
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3401 N Perryville RD
Rockford, IL 611148011
(815) 971-2000
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 20, 2010
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-103278
- Medicaid
- IL #036103278
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871603050. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
890
Distinct HCPCS
5
Medicare allowed
$83,761
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 501 | 287 | $94 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 232 | 232 | $123 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 122 | 88 | $65 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 18 | 18 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 17 | 12 | $3 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 112. This provider delivers 7.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,633
Patients
1,792
Total drug cost
$86,394
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 899 | 256 | $10,581 |
| Levothyroxine Sodium | Generic | 647 | 163 | $7,719 |
| Amlodipine Besylate | Generic | 630 | 182 | $6,291 |
| Losartan Potassium | Generic | 565 | 163 | $7,574 |
| Hydrochlorothiazide | Generic | 490 | 132 | $2,153 |
| Lisinopril | Generic | 450 | 130 | $3,586 |
| Omeprazole | Generic | 380 | 113 | $5,921 |
| Metoprolol Succinate | Generic | 372 | 110 | $6,688 |
| Metformin Hcl | Generic | 343 | 93 | $2,604 |
| Simvastatin | Generic | 332 | 89 | $3,696 |
Hospital affiliations
Frequently asked questions
What is Dr. Aaron Coates's medical specialty?
Dr. Aaron Coates practices Internal Medicine Physician in Rockford, IL.
Where does Dr. Aaron Coates practice?
Dr. Aaron Coates practices at 3401 N Perryville RD, Rockford, IL 611148011. Office phone: 8159712000.
What is Dr. Aaron Coates's NPI?
Dr. Aaron Coates's National Provider Identifier (NPI) is 1871603050, issued by NPPES.
Does Dr. Aaron Coates accept Medicare assignment?
Yes. Dr. Aaron Coates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Coates 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.