ALAN ESKER (MD) – Internal Medicine Physician, NPI 1831159698
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for ALAN ESKER (MD)
West Exchange Street, Freeport, Stephenson County, Illinois, 61032, United States
PO BOX 268
FREEPORT, IL 610324030
Phone: (815) 599-6000
Type: Mailing
Fairway Drive, Freeport, Stephenson County, Illinois, 61032, United States
FREEPORT, IL 610326600
Phone: (815) 599-7740
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $156.
Total Amount is formed as General ($156) + Research ($0) + Ownership ($0) = $156.
Last reported payment date: 2024-02-13 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($117).
Total Amount
$156
General + Research + Ownership
Payments
6
Total payment records
General Amount
$156
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $117 |
| Janssen Pharmaceuticals, Inc | $20 |
| Novo Nordisk Inc | $19 |
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: 2010-03-29
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 |
|---|---|---|---|---|
| I20100329000954 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 114 | 109 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 54 | 54 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 24 | 17 | $0 |
Insurance plans in this area (ZIP 61032)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Diagnostic Radiology | OK | |
| Nurse Practitioner | IL | |
| P A T H O L O G Y | DE | |
| Emergency Medicine | IL | |
| Nurse Practitioner | IL | |
| Emergency Medicine | IL | |
| Hematology/Oncology, Hospitalist | IL | |
| Pulmonary Disease, Critical Care (Intensivists), Critical Care (Intensivists) | TN | |
| Emergency Medicine | IL |
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