Tatiana Ramirez Dominguez, MD
NPI 1043443377ActiveIndividual· Colon & Rectal Surgery· Saint Louis, MO
Colon & Rectal Surgery (MD) with Mercy Clinic Surgical Specialists LLC and 1 other group, practicing in Saint Louis, Missouri. 101 Medicare patients in 2024, $46,688 paid; nearly all of their 329 Part D prescriptions were generic (94%). Intuitive Surgical, Inc. was the largest of 17 companies reporting payments in 2025, $8,935 in all, mostly education. Lists Mercy Hospital Jefferson and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1043443377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 3, 2009 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 2019007247 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 250 across 51 procedure codes |
| Paid by Medicare | $46,688 |
Part D prescriptions in 2024
| Prescriptions (claims) | 329 · 334 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $5,223 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Mercy Clinic Surgical Specialists LLCSaint Louis, MO · 182 clinicians
- Mercy Clinic Gastroenterology LLCWashington, MO · 67 clinicians
Hospital affiliations
- Mercy Hospital JeffersonCrystal City, MO
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
Other facilities
- Mercy Home HealthHome health agency · Saint Louis, MO
Industry payments (Open Payments)
- 2025$8,935 · 37 payments from 17 companies
- 2024$628.36 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $8,238 | 9 |
| Aroa Biosurgery Incorporated | $74.98 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $74.32 | 5 |
| Davol Inc. | $69.32 | 2 |
| Integra Lifesciences Corporation | $59.39 | 3 |
What the 2025 payments were for
- Education$8,000 · 4 payments
- Food and Beverage$934.69 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 colorectal surgeons in Saint Louis · All colorectal surgeons in Missouri