MICHAEL W. ARMSTRONG (CRNA) – Certified Registered Nurse Anesthetist, NPI 1578855953
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,265 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in IL
Provider Addresses for MICHAEL W. ARMSTRONG (CRNA)
1005 HEALTH CENTER DR STE 201
MATTOON, IL 619384693
Phone: (217) 238-6055
Type: Mailing
1000 HEALTH CENTER DR
MATTOON, IL 619389261
Phone: (217) 258-2440
Fax: (217) 258-2186
Type: Location
701 N 1ST ST
SPRINGFIELD, IL 627810001
Phone:
Type: Mailing
8201 E Riverside Blvd
Rockford, IL 611142300
Phone: (815) 971-5000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $31.
Total Amount is formed as General ($31) + Research ($0) + Ownership ($0) = $31.
Last reported payment date: 2024-05-15 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($31).
Total Amount
$31
General + Research + Ownership
Payments
2
Total payment records
General Amount
$31
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $31 |
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: 2011-11-03
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 |
|---|---|---|---|---|
| I20111103000596 | I | Certified Registered Nurse Anesthetist (Crna) | 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 |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 21 | 21 | $0 |
Insurance plans in this area (ZIP 61938)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CERTIFIED REGISTERED NURSE ANESTHET | IL | 01402 | Anesthesia for open or endoscopic total knee joint replacement | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| A N E S T H E S I O L O G Y | IA | |
| - | IL | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| - | IL | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| - | IL | |
| Certified Registered Nurse Anesthetist (Crna) | VA |
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