JEFFREY S CHALFANT (DO) – Psychiatry Physician, NPI 1811935166
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,367 PSYCHIATRY in IL
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Provider Addresses for JEFFREY S CHALFANT (DO)
Frank Scott Parkway West, Gartside, Belleville, Saint Clair County, Illinois, 62223, United States
SUITE 990
BELLEVILLE, IL 622235000
Phone: (618) 236-6501
Fax: (618) 236-6551
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 143 Open Payments records for all available years, with a total value of $1,721.
Total Amount is formed as General ($1,721) + Research ($0) + Ownership ($0) = $1,721.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($456).
Total Amount
$1,721
General + Research + Ownership
Payments
143
Total payment records
General Amount
$1,721
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $456 |
| Teva Pharmaceuticals USA, Inc. | $290 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $174 |
| Tris Pharma Inc | $147 |
| ITI, Inc. | $140 |
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: 2006-03-08
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 |
|---|---|---|---|---|
| I20060308000449 | I | Psychiatry | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 994 | 235 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 62223)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | IL | 90792 | Psychiatric diagnostic evaluation with medical services | 14 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | IL |
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