Clifford George Risk, M.D., PH.D.
NPI 1013029651ActiveIndividual· Internal Medicine, Pulmonary Disease· Marlborough, MA
Internal Medicine, Pulmonary Disease (M.D., PH.D.) in Marlborough, Massachusetts, trained at Irvine California College of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $574,520 for 3,541 claims, against $95,498 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $1,257 in all, mostly food and beverage.
Overview
| NPI | 1013029651 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | May 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 47576 | MA |
| Legal Medicine | 173000000X | 47576 | MA |
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 - Pulmonary Disease (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 1,192 across 18 procedure codes |
| Paid by Medicare | $95,498 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,541 · 6,381 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $574,520 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Irvine California College of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Hospital affiliations
- Marlborough HospitalMarlborough, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Other facilities
- Vna Care NetworkHome health agency · Worcester, MA
Industry payments (Open Payments)
- 2025$1,257 · 81 payments from 8 companies
- 2024$1,417 · 87 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $468.22 | 40 |
| Regeneron Healthcare Solutions, Inc. | $313.89 | 14 |
| Glaxosmithkline, LLC. | $193.32 | 8 |
| Genzyme Corporation | $153.50 | 11 |
| Amgen Inc. | $63.79 | 2 |
What the 2025 payments were for
- Food and Beverage$1,205 · 79 payments
- Education$51.38 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Marlborough
- 1659779288
- 1669639811
- 1801990056
All Internal Medicine, Pulmonary Disease providers in Massachusetts →