DR. FREDERICK S ALEXANDER (MD) – Infectious Disease Physician, NPI 1730251042
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
475 INFECTIOUS DISEASE in IL
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Provider Addresses for DR. FREDERICK S ALEXANDER (MD)
Silver Cross Urgent Care, 1051, Essington Road, Joliet, Will County, Illinois, 60435, United States
SUITE 210
JOLIET, IL 604352801
Phone: (815) 726-1818
Fax: (815) 726-0232
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 67 Open Payments records for all available years, with a total value of $31,069.
Total Amount is formed as General ($31,069) + Research ($0) + Ownership ($0) = $31,069.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: ABBVIE INC. ($30,916).
Total Amount
$31,069
General + Research + Ownership
Payments
67
Total payment records
General Amount
$31,069
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $30,916 |
| Astellas Pharma US Inc | $140 |
| Ferring Pharmaceuticals Inc. | $13 |
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: 2005-01-17
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 |
|---|---|---|---|---|
| I20050117000251 | I | Infectious Disease | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,395 | 515 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 563 | 84 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 260 | 176 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 198 | 118 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 192 | 182 | $0 |
Insurance plans in this area (ZIP 60435)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Nurse Practitioner | MI | |
| - | IL | |
| Infectious Disease | IL | |
| Emergency Medicine, Family Practice | TN | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| Infectious Disease | MO | |
| Nurse Practitioner | FL |
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