ELLEN O'BRIEN ATWOOD (PA-C) – Physician Assistant, NPI 1487104303
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,035 PHYSICIAN ASSISTANT in IL
Provider Addresses for ELLEN O'BRIEN ATWOOD (PA-C)
700 N First St
Springfield, IL 627810001
Phone: (217) 788-3156
Type: Location
Corporate Boulevard, Lafayette, Lafayette Parish, Louisiana, 70502, United States
LAFAYETTE, LA 705083870
Phone: (800) 893-9698
Type: Mailing
300 1ST CAPITOL DR
SAINT CHARLES, MO 63301
Phone: (636) 947-5000
Fax: (636) 947-5090
Type: Location
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 $18.
Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.
Last reported payment date: 2024-10-07 • Largest payer in this snapshot: PFIZER INC. ($18).
Total Amount
$18
General + Research + Ownership
Payments
1
Total payment records
General Amount
$18
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $18 |
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: 2019-10-11
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 |
|---|---|---|---|---|
| I20161028001829 | I | Physician Assistant | IL | TBD |
| I20191011001281 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 380 | 61 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 172 | 168 | $0 |
| 87635 | Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 75 | 75 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 65 | 62 | $0 |
| J2405 | Injection, ondansetron hydrochloride, per 1 mg | 60 | 14 | $0 |
Insurance plans in this area (ZIP 62781)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| - | MO | |
| - | MO | |
| Physician Assistant | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Physician Assistant | MO | |
| Family Practice | FL |
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