Marissa Luan Tan, DO, MPH
NPI 1720583818ActiveIndividual· Preventive Medicine, Addiction Medicine· Camden, NJ
Preventive Medicine, Addiction Medicine (DO, MPH) with Cmc Department of Medicine Group PA, practicing in Camden, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $132,482 for 260 claims, against $3,164 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $35.78 in all, mostly food and beverage. Lists Cooper University Hospital as a hospital affiliation.
Overview
| NPI | 1720583818 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO, MPH |
| Sole proprietor | No |
| NPI issued | Mar 29, 2018 |
| Last updated in NPPES | Jun 19, 2024 |
| Certified by provider | Jun 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Preventive Medicine, Addiction Medicine Primary | 2083A0300X | OS020328 | PA |
| Preventive Medicine, Addiction Medicine | 2083A0300X | H0087983 | MD |
| Preventive Medicine, Addiction Medicine | 2083A0300X | 25MB12089100 | NJ |
| Preventive Medicine, Public Health & General Preventive Medicine | 2083P0901X | 25MB12089100 | NJ |
| Preventive Medicine, Public Health & General Preventive Medicine | 2083P0901X | H0087983 | MD |
| Preventive Medicine, Public Health & General Preventive Medicine | 2083P0901X | OS020328 | PA |
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 - Addiction Medicine (NJ); Practitioner - Preventive Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 40 across 7 procedure codes |
| Paid by Medicare | $3,164 |
Part D prescriptions in 2024
| Prescriptions (claims) | 260 · 270 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $132,482 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Addiction Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cmc Department of Medicine Group PACamden, NJ · 478 clinicians
Hospital affiliation
- Cooper University HospitalCamden, NJ
Industry payments (Open Payments)
- 2025$35.78 · 2 payments from 2 companies
- 2024$31.43 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $19.60 | 1 |
| Braeburn Inc. | $16.18 | 1 |
What the 2025 payments were for
- Food and Beverage$35.78 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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