Tatyana Petrosova, MD
NPI 1023089562ActiveIndividual· Internal Medicine, Nephrology· Saint Louis, MO
Internal Medicine, Nephrology (MD) with Tatyana Petrosova MD PC, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $329,112 for 2,499 claims, against $144,480 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 5 companies reporting payments in 2025, $372.69 in all, mostly food and beverage. Lists Barnes-Jewish St Peters Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1023089562 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Jun 9, 2024 |
| Certified by provider | Jun 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 2002007108 | MO |
| Internal Medicine, Nephrology | 207RN0300X | 036107203 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 1,434 across 14 procedure codes |
| Paid by Medicare | $144,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,499 · 4,117 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $329,112 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Tatyana Petrosova MD PCLake Saint Louis, MO · 2 clinicians
Hospital affiliations
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Progress West HospitalOfallon, MO
- Ssm Health Depaul Hospital St LouisBridgeton, MO
- Ssm St Joseph Health CenterSaint Charles, MO
- Ssm St Joseph Hospital WestLake Saint Louis, MO
Other facilities
- Davita Hazelwood DialysisDialysis facility · Hazelwood, MO
- Davita Lake St. Louis Home at HomeDialysis facility · Lake Saint Louis, MO
Industry payments (Open Payments)
- 2025$372.69 · 15 payments from 5 companies
- 2024$59.16 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $146.27 | 9 |
| Vantive US Healthcare LLC | $117.17 | 1 |
| Protega Pharmaceutials Inc | $72.34 | 3 |
| Abbvie Inc. | $21.76 | 1 |
| Vertex Pharmaceuticals Incorporated | $15.15 | 1 |
What the 2025 payments were for
- Food and Beverage$372.69 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Saint Louis
- 1275949927
- 1124337373
- 1689088080
- 1811168263
- 1427267855
- 1811154206
- 1003145335
- 1346356672
- 1376166066
- 1801492855
- 1639141625
- 1275460438