DR. CHARLES D COMFORT (MD) – Internal Medicine Physician, NPI 1861484321
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,828 INTERNAL MEDICINE in IL
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Provider Addresses for DR. CHARLES D COMFORT (MD)
522, Depot Street, Mazon, Grundy County, Illinois, 60444, United States
MAZON, IL 60444
Phone: (815) 448-2423
Fax: (815) 448-2033
Type: Location
725 SCHOOL ST STE A
MORRIS, IL 604501207
Phone: (815) 941-9124
Fax: (815) 941-4363
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $267.
Total Amount is formed as General ($267) + Research ($0) + Ownership ($0) = $267.
Last reported payment date: 2024-07-15 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($149).
Total Amount
$267
General + Research + Ownership
Payments
12
Total payment records
General Amount
$267
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-15
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-01-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120125000361 | I | Internal Medicine | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 294 | 165 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 207 | 141 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 66 | 49 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | 34 | $0 |
| 99495 | Transitional care management services for problem of at least moderate complexity | 17 | 15 | $0 |
Insurance plans in this area (ZIP 60444)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 14 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| Orthopedic Surgery | NY | |
| Family Practice | IL | |
| Internal Medicine, Allergy/Immunology | IL | |
| Internal Medicine, Endocrinology | IL | |
| - | IL | |
| Orthopedic Surgery, Sports Medicine | IL |
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