Morris Wisniewski, M.D.
NPI 1639112246ActiveIndividual· Internal Medicine· Vista, CA
Internal Medicine (M.D.) in Vista, California, trained at New York Medical College (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $405,526 for 1,637 claims, against $35,157 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $503.34 in all, mostly food and beverage.
Overview
| NPI | 1639112246 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 13, 2006 |
| Last updated in NPPES | Apr 1, 2020 |
| Certified by provider | Apr 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G48942 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 111 |
|---|---|
| Services billed | 651 across 32 procedure codes |
| Paid by Medicare | $35,157 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,637 · 3,151 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $405,526 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Monica Perlman MD IncSan Diego, CA · 364 clinicians
Industry payments (Open Payments)
- 2025$503.34 · 14 payments from 5 companies
- 2024$610.95 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $198.79 | 4 |
| Amgen Inc. | $153.21 | 3 |
| Pfizer Inc. | $70.13 | 3 |
| Exact Sciences Corporation | $60.80 | 3 |
| Glaxosmithkline, LLC. | $20.41 | 1 |
What the 2025 payments were for
- Food and Beverage$503.34 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 internal medicine physicians in Vista · All internal medicine physicians in California