DR. CHRISTOPHER RYAN ALDRIDGE (M.D.) – Surgery Physician, NPI 1104026707
Surgery Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,423 GENERAL SURGERY in IL
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Provider Addresses for DR. CHRISTOPHER RYAN ALDRIDGE (M.D.)
4, Memorial Drive, Alton, Madison County, Illinois, 62002, United States
STE 230
ALTON, IL 620026751
Phone: (618) 462-3191
Fax: (618) 462-3379
Type: Location
4 MEMORIAL DR STE 230
ALTON, IL 620026704
Phone: (618) 463-7833
Type: Mailing
670, Mason Ridge Center Drive, Town and Country, Saint Louis County, Missouri, 63141, United States
STE 300
SAINT LOUIS, MO 631418573
Phone: (618) 462-3191
Fax: (618) 462-3379
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $375.
Total Amount is formed as General ($375) + Research ($0) + Ownership ($0) = $375.
Last reported payment date: 2024-08-21 • Largest payer in this snapshot: W. L. Gore & Associates, Inc. ($149).
Total Amount
$375
General + Research + Ownership
Payments
6
Total payment records
General Amount
$375
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| W. L. Gore & Associates, Inc. | $149 |
| Medtronic, Inc. | $130 |
| Davol Inc. | $33 |
| Baxter Healthcare | $25 |
| ABBVIE INC. | $20 |
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: 2016-09-09
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 |
|---|---|---|---|---|
| I20121011000439 | I | General Surgery | IL | TBD |
| I20160909002541 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 55 | 55 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 32 | 30 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 30 | 25 | $0 |
| 77001 | Fluoroscopic guidance for insertion or removal of central vein access device | 20 | 18 | $0 |
| 47562 | Removal of gallbladder using an endoscope | 16 | 16 | $0 |
Insurance plans in this area (ZIP 62002)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| Family Practice | IL | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| G A S T R O E N T E R O L O G Y | GA | |
| Physician Assistant | IL | |
| - | MO | |
| Gastroenterology, Gastroenterology, Internal Medicine | OH |
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