JEFFREY D HERSHKOWITZ (D.O.) – Internal Medicine Physician, NPI 1922101104
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for JEFFREY D HERSHKOWITZ (D.O.)
3315, North Seminary Street, Galesburg, Knox County, Illinois, 61401, United States
GALESBURG, IL 614011251
Phone: (309) 344-1000
Fax: (309) 344-1054
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 154 Open Payments records for all available years, with a total value of $7,111.
Total Amount is formed as General ($7,111) + Research ($0) + Ownership ($0) = $7,111.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,673).
Total Amount
$7,111
General + Research + Ownership
Payments
154
Total payment records
General Amount
$7,111
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $1,673 |
| Amgen Inc. | $797 |
| GlaxoSmithKline, LLC. | $693 |
| Novo Nordisk Inc | $529 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $493 |
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: 2004-04-21
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 |
|---|---|---|---|---|
| I20040421000214 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 189 | 168 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 123 | 120 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 61 | 55 | $0 |
| 83036 | Hemoglobin a1c level | 31 | 31 | $0 |
| 93793 | Anticoagulant management of patient taking warfarin | 24 | 12 | $0 |
Insurance plans in this area (ZIP 61401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| Nurse Practitioner | IL | |
| - | IL | |
| - | IL | |
| Family Practice | IL | |
| Nurse Practitioner | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Certified Nurse Midwife (Cnm) | IL | |
| Clinical Social Worker | IL | |
| Nurse Practitioner | IL |
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