Christopher R. Mascarenhas, MD
NPI 1780777896ActiveIndividual· Colon & Rectal Surgery· Nashville, TN
Colon & Rectal Surgery (MD) with Advanced Diagnostic Imaging PC, practicing in Nashville, Tennessee. 126 Medicare patients in 2024, $69,355 paid; nearly all of their 255 Part D prescriptions were generic (90%). Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $106.35 in all, mostly food and beverage. Lists Ascension Saint Thomas Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1780777896 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Jul 7, 2024 |
| Certified by provider | Jul 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 62015 | TN |
| Surgery | 208600000X | T2006012781 | 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 - Colorectal Surgery (Proctology) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 431 across 49 procedure codes |
| Paid by Medicare | $69,355 |
Part D prescriptions in 2024
| Prescriptions (claims) | 255 · 255 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $6,536 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Telehealth | Offers telehealth |
Medical group
- Advanced Diagnostic Imaging PCGoodlettsville, TN · 523 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Tristar Centennial Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$106.35 · 5 payments from 5 companies
- 2024$21.32 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $35.07 | 1 |
| Innovation Technologies Inc | $23.89 | 1 |
| Ethicon US, LLC | $18.00 | 1 |
| Boston Scientific Corporation | $15.01 | 1 |
| Micro-Tech Endoscopy USA, Inc. | $14.38 | 1 |
What the 2025 payments were for
- Food and Beverage$71.28 · 4 payments
- Travel and Lodging$35.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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