Christoforos Iraklis Giakoumatos, MD
NPI 1336555267ActiveIndividual· Psychiatry & Neurology, Psychiatry· Boston, MA
Psychiatry & Neurology, Psychiatry (MD) with The General Hospital Corporation, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $113,203 for 1,632 claims, against $35,199 paid for services in 2024. Abbvie Inc. reported $20.22 in payments in 2024, mostly food and beverage. Lists Massachusetts General Hospital as a hospital affiliation.
Overview
| NPI | 1336555267 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2014 |
| Last updated in NPPES | Feb 28, 2023 |
| Certified by provider | Feb 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 273223 | MA |
| Psychiatry & Neurology, Addiction Psychiatry | 2084P0802X | 273223 | MA |
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 - Psychiatry (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 40 |
|---|---|
| Services billed | 385 across 9 procedure codes |
| Paid by Medicare | $35,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,632 · 1,829 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $113,203 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliation
- Massachusetts General HospitalBoston, MA
Industry payments (Open Payments)
- 2024$20.22 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $20.22 | 1 |
What the 2024 payments were for
- Food and Beverage$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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