Cristin Razvan Opreanu, MD
NPI 1235375585ActiveIndividual· Colon & Rectal Surgery· Lansing, MI
Colon & Rectal Surgery (MD) with Edward W Sparrow Hospital Association and 1 other group, practicing in Lansing, Michigan. Their prescriptions cost Medicare Part D more than their services did: $167,119 for 451 claims, against $48,144 paid for services in 2024. Intuitive Surgical, Inc. was the largest of 13 companies reporting payments in 2025, $13,233 in all, mostly education. Lists Edward W Sparrow Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235375585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 16, 2008 |
| Last updated in NPPES | May 28, 2026 |
| Certified by provider | May 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 4301093541 | MI |
| Surgery | 208600000X | 4301093541 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 368 across 45 procedure codes |
| Paid by Medicare | $48,144 |
Part D prescriptions in 2024
| Prescriptions (claims) | 451 · 474 30-day fills |
|---|---|
| Patients | 334 |
| Total drug cost | $167,119 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | General Surgery |
| Secondary specialties | Colorectal Surgery (Proctology) |
Medical groups
- Edward W Sparrow Hospital AssociationLansing, MI · 730 clinicians
- Troy Gastroenterology PCRochester Hills, MI · 49 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- University of Michigan Health - Sparrow EatonCharlotte, MI
Industry payments (Open Payments)
- 2025$13,233 · 29 payments from 13 companies
- 2024$187.89 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $12,797 | 8 |
| Regeneron Healthcare Solutions, Inc. | $83.82 | 3 |
| Celltrion USA Inc. | $61.57 | 3 |
| Phathom Pharmaceuticals, Inc. | $43.11 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $38.48 | 2 |
What the 2025 payments were for
- Education$12,000 · 3 payments
- Food and Beverage$1,036 · 24 payments
- Travel and Lodging$197.04 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other colorectal surgeons in Lansing
- 1710961305
- 1821213315
- 1942438643
- 1326214339
- 1366959553
- 1538427059
- 1891779401
- 1750365359