David H. Baum, M.D.
NPI 1437175486ActiveIndividual· Internal Medicine· Westport, CT
Internal Medicine (M.D.) with Rehabilitation Associates Inc and 1 other group, practicing in Westport, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $412,369 for 4,016 claims, against $95,946 paid for services in 2024. Novo Nordisk Inc was the largest of 13 companies reporting payments in 2025, $681.85 in all, mostly food and beverage. Lists Bridgeport Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1437175486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | May 31, 2022 |
| Certified by provider | May 31, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 044303 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 3,417 across 55 procedure codes |
| Paid by Medicare | $95,946 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,016 · 8,237 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $412,369 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Rehabilitation Associates IncFairfield, CT · 529 clinicians
- Primary Care of Westport LLCWestport, CT · 6 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Danbury HospitalDanbury, CT
- Greenwich Hospital Association -Greenwich, CT
- Norwalk HospitalNorwalk, CT
Other facilities
- RvnahealthHome health agency · Ridgefield, CT
- Visiting Nurse & Hospice of Fairfield County, IncHome health agency · Wilton, CT
- Western Connecticut Home Care IncHome health agency · Danbury, CT
Industry payments (Open Payments)
- 2025$681.85 · 26 payments from 13 companies
- 2024$657.22 · 24 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $179.14 | 3 |
| Pfizer Inc. | $150.89 | 8 |
| Exact Sciences Corporation | $52.06 | 2 |
| Amgen Inc. | $51.09 | 2 |
| Biomerieux Inc | $38.71 | 1 |
What the 2025 payments were for
- Food and Beverage$681.85 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Westport
- 1205035193
- 1851366595
- 1316486970
- 1770770232
- 1285736124
- 1316182694
- 1215013941
- 1356443204
- 1730591777
- 1124120043
- 1013093731
- 1194017715