Doctor profile · Federal record
Dr. Charles Comfort, MD
Internal Medicine Physician (CMS: Internal Medicine) · Mazon, IL
- NPI 1861484321
- Accepts Medicare
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
522 Depot St
Mazon, IL 60444
(815) 448-2423
fax (815) 448-2033 - Mailing address
-
725 School St Ste A
Morris, IL 604501207
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- April 28, 2020
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036067046
- Medicaid
- IL #036067046
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861484321. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
629
Distinct HCPCS
6
Medicare allowed
$53,945
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 294 | 165 | $90 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 207 | 141 | $59 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 66 | 49 | $128 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | 34 | $126 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 17 | 15 | $139 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 11 | 11 | $8 |
In context: peer comparison
Among 1 peers in Mazon Internal Medicine Physician, average services per provider: 104. This provider delivers 6.0× the peer median.Open Payments
Industry payments received
All-time total
$113
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 4 | $65.67 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $47.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,986
Patients
563
Total drug cost
$34,757
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 190 | 55 | $3,603 |
| Levothyroxine Sodium | Generic | 174 | 44 | $2,583 |
| Atorvastatin Calcium | Generic | 172 | 50 | $2,314 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 168 | 50 | $2,078 |
| Potassium Chloride | Generic | 155 | 45 | $4,963 |
| Alprazolam | Generic | 144 | 30 | $1,773 |
| Lisinopril | Generic | 137 | 40 | $1,720 |
| Simvastatin | Generic | 121 | 34 | $1,342 |
| Metoprolol Succinate | Generic | 117 | 35 | $2,140 |
| Furosemide | Generic | 107 | 28 | $684 |
Frequently asked questions
What is Dr. Charles Comfort's medical specialty?
Dr. Charles Comfort practices Internal Medicine Physician in Mazon, IL.
Where does Dr. Charles Comfort practice?
Dr. Charles Comfort practices at 522 Depot St, Mazon, IL 60444. Office phone: 8154482423.
What is Dr. Charles Comfort's NPI?
Dr. Charles Comfort's National Provider Identifier (NPI) is 1861484321, issued by NPPES.
Does Dr. Charles Comfort accept Medicare assignment?
Yes. Dr. Charles Comfort accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Comfort commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.