David Siegenberg, M.D.
NPI 1578502563ActiveIndividual· Internal Medicine· Reading, MA
Internal Medicine (M.D.) with David Siegenberg MD PC, practicing in Reading, Massachusetts. 613 Medicare patients in 2024, $143,757 paid; nearly all of their 1,838 Part D prescriptions were generic (91%). Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $967.92 in all, mostly food and beverage. Lists Beth Israel Deaconess Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1578502563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Sep 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 74850 | MA |
| Internal Medicine, Gastroenterology | 207RG0100X | 74850 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 613 |
|---|---|
| Services billed | 1,300 across 25 procedure codes |
| Paid by Medicare | $143,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,838 · 4,240 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $179,094 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- David Siegenberg MD PCReading, MA · 2 clinicians
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Melrosewakefield HealthcareMelrose, MA
- Tufts Medical CenterBoston, MA
- Winchester HospitalWinchester, MA
Other facilities
- All Care Vna-Greater Lynn IncHome health agency · Lynn, MA
- Bayada Home Health Care, IncHome health agency · Wilmington, MA
- Beth Israel Lahey Health at HomeHome health agency · Beverly, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Tufts Medicine Care at HomeHome health agency · Lowell, MA
- Care Dimensions, IncHospice · Danvers, MA
Industry payments (Open Payments)
- 2025$967.92 · 52 payments from 16 companies
- 2024$972.53 · 36 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $165.07 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $152.25 | 8 |
| Madrigal Pharmaceuticals | $141.62 | 7 |
| Phathom Pharmaceuticals, Inc. | $94.68 | 7 |
| Viiv Healthcare Company | $78.27 | 5 |
What the 2025 payments were for
- Food and Beverage$948.20 · 50 payments
- Education$19.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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