Nikolaos Andreas Dallas, MD
NPI 1952497729ActiveIndividual· Surgery· Chicago, IL
Surgery (MD) in Chicago, Illinois, trained at Northwestern University Feinberg Medical School (class of 2004). Mostly services rather than prescriptions: Medicare paid $76,376 for 124 patients in 2024, with only 19 Part D claims. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $332.46 in all, mostly food and beverage.
Overview
| NPI | 1952497729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Feb 1, 2023 |
| Certified by provider | Feb 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 036119424 | IL |
| Surgery | 208600000X | M5118 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 235 across 64 procedure codes |
| Paid by Medicare | $76,376 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $479.82 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | General Surgery |
| Secondary specialties | Surgical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Illinois Masonic Medical CenterChicago, IL
- Advocate Lutheran General HospitalPark Ridge, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
Industry payments (Open Payments)
- 2025$332.46 · 3 payments from 3 companies
- 2024$1,016 · 9 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $141.13 | 1 |
| Intuitive Surgical, Inc. | $107.19 | 1 |
| W. L. Gore & Associates, Inc. | $84.14 | 1 |
What the 2025 payments were for
- Food and Beverage$332.46 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 622 general surgeons in Chicago · All general surgeons in Illinois