DR. SILAS L HARRINGTON (D.O.) – Anesthesiology Physician, NPI 1043434665
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. SILAS L HARRINGTON (D.O.)
846 LINDEN AVE
OAK PARK, IL 603021562
Phone: (708) 386-1714
Fax: (708) 386-1715
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 16 Open Payments records for all available years, with a total value of $388.
Total Amount is formed as General ($388) + Research ($0) + Ownership ($0) = $388.
Last reported payment date: 2024-11-12 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($232).
Total Amount
$388
General + Research + Ownership
Payments
16
Total payment records
General Amount
$388
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $232 |
| Ardelyx, Inc. | $123 |
| Merck Sharp & Dohme LLC | $19 |
| Intercept Pharmaceuticals, Inc. | $13 |
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: 2012-04-11
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 |
|---|---|---|---|---|
| I20120411000678 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 44 | 43 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 26 | 26 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 22 | 22 | $0 |
| 00520 | Anesthesia for other closed procedure on chest | 16 | 15 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 16 | 16 | $0 |
Insurance plans in this area (ZIP 60302)
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Provider's Procedures
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 | |
| 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 | |
| Certified Registered Nurse Anesthetist (Crna) | IL |
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