CHANTAL GABRIELLE BEREZ (M.D.) – Internal Medicine Physician, NPI 1982049623
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,190 INTERNAL MEDICINE in MO
Provider Addresses for CHANTAL GABRIELLE BEREZ (M.D.)
6420 CLAYTON RD
SAINT LOUIS, MO 631171811
Phone: (314) 768-8778
Type: Mailing
222 S WOODS MILL RD STE 650N
CHESTERFIELD, MO 630173648
Phone: (314) 682-3625
Fax: (314) 590-5953
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 123 Open Payments records for all available years, with a total value of $2,035.
Total Amount is formed as General ($2,035) + Research ($0) + Ownership ($0) = $2,035.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: ABBVIE INC. ($675).
Total Amount
$2,035
General + Research + Ownership
Payments
123
Total payment records
General Amount
$2,035
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $675 |
| Novo Nordisk Inc | $312 |
| Lilly USA, LLC | $132 |
| GlaxoSmithKline, LLC. | $94 |
| AstraZeneca Pharmaceuticals LP | $66 |
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: 2017-07-27
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 |
|---|---|---|---|---|
| I20170727002225 | I | Internal Medicine | MO | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 372 | 194 | $0 |
| G0446 | Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | 155 | 155 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 147 | 147 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 146 | 146 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 66 | 53 | $0 |
Insurance plans in this area (ZIP 63117)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MO | |
| Physician Assistant | MO | |
| Nurse Practitioner | MO |
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