ANTHONY D DIAZ (DO) – Anesthesiology Physician, NPI 1972783116
Anesthesiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,633 ANESTHESIOLOGY in IL
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Provider Addresses for ANTHONY D DIAZ (DO)
4330 DEPARTMENT
CAROL STREAM, IL 601220001
Phone: (847) 495-1603
Fax: (847) 537-4866
Type: Mailing
Alexian Brothers Medical Center, 800, Biesterfield Road, Elk Grove Village, Elk Grove Township, Cook County, Illinois, 60007, United States
DEPT OF ANESTHESIA
ELK GROVE VILLAGE, IL 600073361
Phone: (847) 437-5500
Fax: (847) 981-5589
Type: Location
1425 N Randall Rd
Elgin, IL 601232300
Phone: (847) 742-9800
Type: Location
Fire Department, East Saint Charles Road, Gretna, Carol Stream, DuPage County, Illinois, 60188, United States
CAROL STREAM, IL 601220001
Phone: (847) 495-1603
Fax: (847) 537-4866
Type: Mailing
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 $35.
Total Amount is formed as General ($35) + Research ($0) + Ownership ($0) = $35.
Last reported payment date: 2024-05-08 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($35).
Total Amount
$35
General + Research + Ownership
Payments
2
Total payment records
General Amount
$35
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $35 |
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: 2022-12-30
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 |
|---|---|---|---|---|
| I20071215000227 | I | Anesthesiology | IL | TBD |
| I20221230000886 | I | Anesthesiology | WI | 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 | 25 | 25 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 21 | 21 | $0 |
| 00910 | Anesthesia for other procedure on urinary system through urethra | 20 | 19 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 14 | 14 | $0 |
| 00142 | Anesthesia for lens surgery | 13 | 13 | $0 |
Insurance plans in this area (ZIP 60122)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | IL | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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