JENNIFER DIANA SZALKOWSKI (MD) – Family Medicine Physician, NPI 1275524290
Family Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
5,037 FAMILY PRACTICE in IL
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Provider Addresses for JENNIFER DIANA SZALKOWSKI (MD)
4500 MEMORIAL DRIVE CREDENTIALING DEPT
MEMORIAL HOSPITAL MEDICAL AFFAIRS
BELLEVILLE, IL 62226
Phone: (618) 257-4644
Type: Mailing
South 7 Hills Road, O'Fallon, Saint Clair County, Illinois, 62269, United States
O FALLON, IL 622694111
Phone: (618) 624-6181
Fax: (618) 624-7172
Type: Location
310 N 7 HILLS RD STE 220
BELLEVILLE, IL 622694111
Phone: (618) 624-6181
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 41 Open Payments records for all available years, with a total value of $622.
Total Amount is formed as General ($622) + Research ($0) + Ownership ($0) = $622.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: ABBVIE INC. ($364).
Total Amount
$622
General + Research + Ownership
Payments
41
Total payment records
General Amount
$622
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $364 |
| GlaxoSmithKline, LLC. | $81 |
| Lilly USA, LLC | $51 |
| PFIZER INC. | $45 |
| Novo Nordisk Inc | $40 |
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: 2014-10-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (949 days ago).
Enrollment records
1
Earliest due date
2023-10-31
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 |
|---|---|---|---|---|
| I20141031000129 | I | Family Practice | IL | 2023-10-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 253 | 157 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 150 | 150 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 122 | 100 | $0 |
| G0008 | Administration of influenza virus vaccine | 53 | 53 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 49 | 49 | $0 |
Insurance plans in this area (ZIP 62226)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | IL | 81002 | Urinalysis, manual test | 33 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | MO | |
| Physician Assistant | IL | |
| Hospitalist, Internal Medicine, Pediatric Medicine, Hospitalist | MO | |
| Family Practice | IL | |
| Hospitalist, Family Practice | IL | |
| E N D O C R I N O L O G Y | IL | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO |
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