DR. ALEXANDER GEOFFREY STEIN (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1861440430
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
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Profile Insights
NPPES metrics only — not quality of care.
241 THORACIC SURGERY in IL
Provider Addresses for DR. ALEXANDER GEOFFREY STEIN (MD)
305 W Jackson St Ste 206
Carbondale, IL 629011474
Phone: (618) 457-3006
Fax: (618) 457-3007
Type: Location
1400 E Boulder St Ste 700
Colorado Springs, CO 809095533
Phone: (719) 364-3278
Fax: (719) 365-7668
Type: Location
747 N Rutledge St Fl 4
Springfield, IL 627026700
Phone: (217) 545-8000
Type: Location
5225 23RD AVE S
FARGO, ND 581047927
Phone: (701) 417-2575
Fax: (310) 427-6763
Type: Location
Two Hundred Twenty-Third Street School, West Jay Street, West Carson, Los Angeles County, California, 90502, United States
STE 865 W
LOS ANGELES, CA 90048
Phone: (310) 854-1904
Fax: (310) 659-2937
Type: Mailing
PO BOX 5074
SIOUX FALLS, SD 571175074
Phone: (605) 328-9419
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-04-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 10 Medicare enrollment records; no due dates published yet.
Enrollment records
10
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 |
|---|---|---|---|---|
| I20211022001361 | I | Thoracic Surgery | AR | TBD |
| I20211230000953 | I | Thoracic Surgery | FL | TBD |
| I20230427001002 | I | Thoracic Surgery | CO | TBD |
| I20230829002338 | I | Thoracic Surgery | WA | TBD |
| I20230919000122 | I | Thoracic Surgery | NE | TBD |
| I20230919000256 | I | Thoracic Surgery | MI | TBD |
| I20240201002866 | I | Thoracic Surgery | MN | TBD |
| I20240814002313 | I | Cardiac Surgery | IL | TBD |
| I20250226001922 | I | Thoracic Surgery | ND | TBD |
| I20250401002818 | I | Cardiac Surgery | GA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 62901)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC SURGERY | CA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 17 | 15 |
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