Ioannis Konstantinidis, M.D.
NPI 1477789972ActiveIndividual· Surgery, Surgical Oncology· West Hollywood, CA
Surgery, Surgical Oncology (M.D.) with Cedars-Sinai Medical Care Foundation, practicing in West Hollywood, California. Mostly services rather than prescriptions: Medicare paid $15,273 for 30 patients in 2024, with only 20 Part D claims. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $3,211 in all, mostly education. Lists Huntington Hospital as a hospital affiliation.
Overview
| NPI | 1477789972 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 10, 2009 |
| Last updated in NPPES | Aug 7, 2025 |
| Certified by provider | Aug 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | A141964 | CA |
| Surgery, Surgical Oncology | 2086X0206X | R9236 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Surgical Oncology (CA); Practitioner - General Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 99 across 31 procedure codes |
| Paid by Medicare | $15,273 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 24 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $152.26 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Surgical Oncology |
| Secondary specialties | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$3,211 · 5 payments from 2 companies
- 2024$1,102 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3,128 | 3 |
| Histosonics, Inc. | $82.68 | 2 |
What the 2025 payments were for
- Education$3,000 · 2 payments
- Food and Beverage$210.71 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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