Cathleen J. Mullarkey-Desapio, MD
NPI 1225073505ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Princeton, NJ
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Princeton, New Jersey, trained at Tufts University School of Medicine (class of 1984). Mostly services rather than prescriptions: Medicare paid $23,147 for 63 patients in 2024, with only 41 Part D claims. Dexcom, Inc. was the largest of 4 companies reporting payments in 2025, $654.29 in all, mostly food and beverage.
Overview
| NPI | 1225073505 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 19, 2006 |
| Last updated in NPPES | Jun 12, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA05531300 | NJ |
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 - Endocrinology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 300 across 7 procedure codes |
| Paid by Medicare | $23,147 |
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 114 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $14,424 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Endocrinology |
Medical group
- Saint Peters University HospitalNew Brunswick, NJ · 162 clinicians
Hospital affiliation
- Saint Peter's University HospitalNew Brunswick, NJ
Industry payments (Open Payments)
- 2025$654.29 · 5 payments from 4 companies
- 2024$2,578 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $175.14 | 1 |
| Beta Bionics, Inc. | $166.66 | 2 |
| Abbott Laboratories | $162.49 | 1 |
| Insulet Corporation | $150.00 | 1 |
What the 2025 payments were for
- Food and Beverage$654.29 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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