Benjamin Tang, M.D.
NPI 1225112196 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Merrillville, IN
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Tang, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Merrillville, IN (NPI 1225112196).
Provider details
- NPI number
- 1225112196
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036055168 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
427 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 95 | $110 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 83 | $179 |
| Injection of Chemical Agent Into Single Incompetent Vein of Leg Using Ultrasound Guidance36465 | 70 | $1,159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $88 |
| Chemical Destruction of First Incompetent Vein of Arm Or Leg Using Imaging Guidance36482 | 35 | $1,581 |
| Ultrasonic Guidance for Needle Placement76942 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,200 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 6415 W Archer AveChicago, IL 60638-2503Phone: (773) 906-8060Fax: (224) 235-4652
- 5521 W Lincoln HwySuite 300Crown Point, IN 46307-1097Phone: (219) 769-8346Fax: (219) 769-7941
- 333 W 89th Ave Ste W2Merrillville, IN 46410Phone: (317) 671-7460Fax: (224) 235-4652
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2018-12-06
Frequently asked questions
- What is Benjamin Tang's NPI number?
- Benjamin Tang's National Provider Identifier (NPI) is 1225112196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Tang's specialty?
- Benjamin Tang is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Tang located?
- Benjamin Tang's practice location on file with NPPES is 333 W 89th Ave Ste W2, Merrillville, IN 46410.
- What is Benjamin Tang's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Tang is (317) 671-7460.
- Does Benjamin Tang accept Medicare?
- Benjamin Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Tang's NPI active?
- Yes — Benjamin Tang's NPI (1225112196) is active in the NPPES registry as of the last update on 2018-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.