Nancy El-Shamaa Kaddis, M.D.
NPI 1053554949ActiveIndividual· Internal Medicine· Cambridge, MA
Internal Medicine (M.D.) in Cambridge, Massachusetts, trained at Michigan State University College of Human Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $6,727,606 for 1,589 claims, against $96,979 paid for services in 2024. Genzyme Corporation was the largest of 5 companies reporting payments in 2025, $9,974 in all, mostly consulting fees.
Overview
| NPI | 1053554949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2009 |
| Last updated in NPPES | Aug 21, 2020 |
| Certified by provider | Aug 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 252322 | 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 - Hematology/Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 518 |
|---|---|
| Services billed | 1,059 across 10 procedure codes |
| Paid by Medicare | $96,979 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,589 · 2,572 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $6,727,606 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dana-Farber Cancer Institute, Inc.Boston, MA · 684 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- South Shore HospitalSouth Weymouth, MA
Other facilities
- Croi HealthHome health agency · Norwell, MA
- Croi HealthHospice · Norwell, MA
Industry payments (Open Payments)
- 2025$9,974 · 20 payments from 5 companies
- 2024$1,121 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $5,065 | 5 |
| Abbvie Inc. | $2,729 | 7 |
| Genmab U.S., Inc. | $2,029 | 6 |
| Kite Pharma, Inc. | $107.34 | 1 |
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
What the 2025 payments were for
- Consulting Fee$8,522 · 4 payments
- Travel and Lodging$661.91 · 4 payments
- Food and Beverage$647.21 · 10 payments
- Education$142.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 315 internal medicine physicians in Cambridge · All internal medicine physicians in Massachusetts