DR. EVAN WARD ROLLER (MD) – Critical Care Medicine (Anesthesiology) Physician, NPI 1124339494
Critical Care Medicine (Anesthesiology) Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
584 CRITICAL CARE (INTENSIVISTS) in MO
Provider Addresses for DR. EVAN WARD ROLLER (MD)
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (800) 862-9980
Fax: (314) 362-1185
Type: Mailing
1 BARNES JEWISH HOSPITAL PLZ
DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 631101003
Phone: (800) 862-9980
Fax: (314) 362-1185
Type: Location
660 S EUCLID AVE
CB 8054
SAINT LOUIS, MO 631101010
Phone: (800) 862-9980
Fax: (314) 362-1185
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $26.
Total Amount is formed as General ($26) + Research ($0) + Ownership ($0) = $26.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: La Jolla Pharmaceutical Company ($26).
Total Amount
$26
General + Research + Ownership
Payments
1
Total payment records
General Amount
$26
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 |
|---|---|
| La Jolla Pharmaceutical Company | $26 |
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: 2021-01-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20160906002560 | I | Critical Care (Intensivists) | MO | TBD |
| I20210127003336 | I | Critical Care (Intensivists) | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 82 | 48 | $0 |
| 99292 | Critical care, each additional 30 minutes | 44 | 14 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 12 | 12 | $0 |
Insurance plans in this area (ZIP 60674)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | MO | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 32 | 31 |
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 | |
| Nurse Practitioner | MO | |
| Medical Oncology, Internal Medicine, Hematology/Oncology | IL | |
| Nurse Practitioner | IL | |
| Medical Oncology, Internal Medicine | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| - | IL | |
| Physician Assistant | IL |
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