DR. BENJAMIN B TANG (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1225112196
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
114 VASCULAR SURGERY in IN
Provider Addresses for DR. BENJAMIN B TANG (M.D.)
5521 W Lincoln Hwy
Suite 300
Crown Point, IN 463071097
Phone: (219) 769-8346
Fax: (219) 769-7941
Type: Location
333 W 89th Ave Ste W2
Merrillville, IN 46410
Phone: (317) 671-7460
Fax: (224) 235-4652
Type: Location
6415 W Archer Ave
Chicago, IL 606382503
Phone: (773) 906-8060
Fax: (224) 235-4652
Type: Location
333 W 89TH AVE STE W2
MERRILLVILLE, IN 46410
Phone: (317) 671-7460
Fax: (224) 235-4652
Type: Location
PO BOX 451
NORTHBROOK, IL 600650451
Phone: (847) 593-8460
Fax: (224) 235-4652
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $20,625.
Total Amount is formed as General ($20,625) + Research ($0) + Ownership ($0) = $20,625.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: AngioDynamics, Inc. ($20,625).
Total Amount
$20,625
General + Research + Ownership
Payments
8
Total payment records
General Amount
$20,625
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AngioDynamics, Inc. | $20,625 |
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: 2017-10-24
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 |
|---|---|---|---|---|
| I20041026000926 | I | Thoracic Surgery | IN | TBD |
| I20171024002506 | I | Vascular Surgery | 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 |
|---|---|---|---|---|
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 143 | 50 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 122 | 74 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 91 | 53 | $0 |
| 36482 | Chemical destruction of first incompetent vein of arm or leg using imaging guidance | 74 | 37 | $0 |
| 36465 | Injection of chemical agent into single incompetent vein of leg using ultrasound guidance | 53 | 21 | $0 |
Insurance plans in this area (ZIP 46307)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| THORACIC SURGERY | IN | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 31 | 25 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Thoracic Surgery, General Surgery | IL | |
| General Surgery | IL |
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