ALEXANDER LEGENBAUER (DO) – Psychiatry Physician, NPI 1841827847
Psychiatry Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,367 PSYCHIATRY in IL
Provider Addresses for ALEXANDER LEGENBAUER (DO)
PO BOX 3988
CARBONDALE, IL 629023988
Phone: (618) 457-5200
Type: Mailing
100 DR WARREN TUTTLE DR
HARRISBURG, IL 629462718
Phone: (618) 252-0999
Fax: (618) 252-2032
Type: Location
1147 NW 64th Ter
Gainesville, FL 326054218
Phone: (352) 333-5982
Type: Location
2 S Hospital Dr
Murphysboro, IL 629663333
Phone: (618) 998-0888
Fax: (618) 993-1808
Type: Location
1147 NW 64TH TER
GAINESVILLE, FL 326054218
Phone: (352) 333-5982
Type: Mailing
201 S 14th St
Herrin, IL 629483631
Phone: (618) 998-0888
Fax: (618) 993-1808
Type: Location
405 W Jackson St
Carbondale, IL 629011467
Phone: (618) 998-0888
Fax: (618) 993-1808
Type: Location
2601 W Main St
Carbondale, IL 629011031
Phone: (618) 549-5361
Fax: (618) 351-4878
Type: Location
1007 US Highway 45 N
Eldorado, IL 629303767
Phone: (618) 273-7723
Fax: (618) 351-4834
Type: Location
3106 Outer Dr
Marion, IL 629595270
Phone: (618) 997-4332
Fax: (618) 351-4807
Type: Location
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: 2024-08-19
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 |
|---|---|---|---|---|
| I20240819001423 | I | Psychiatry | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 62902)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| Emergency Medicine | IL | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | IL | |
| Emergency Medicine | IL | |
| - | IL | |
| N E U R O L O G Y | IL | |
| U R O L O G Y | IL |
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