Quick answers
- Which hospitals does Marissa Tan work at?
- Medicare's official clinician data lists Marissa Tan at 1 hospital: Cooper University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marissa Tan see patients?
- Medicare's clinician data lists 1 practice location in Camden, NJ. Call before your visit to confirm the address.
- What is Marissa Tan's specialty?
- Medicare lists Addiction Medicine as the primary specialty.
- Does Marissa Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa Tan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Marissa Tan offer telehealth?
- Medicare's clinician data says Marissa Tan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marissa Tan?
- (856) 342-3040, as listed in official Medicare / NPI Registry data.
- What is Marissa Tan's NPI number?
- 1720583818. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marissa Tan works
Medicare's Facility Affiliation Data lists Marissa Tan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cooper University HospitalCamden, NJ · Acute Care Hospital · CCN 310014
Practice locations
Addresses where Marissa Tan is enrolled with Medicare (CMS data updated 2026-10-02).
- 800 Cooper St, Fl 4Camden, NJ 08102 (856) 342‑3040
Group practices
Medicare enrollment lists Marissa Tan as a member of this group (CMS data updated 2026-10-02).
- CMC Department of Medicine Group PA478 clinicians in the group
Specialties
- Addiction Medicineprimary
Other addiction medicine doctors in Camden
Clinicians with the same Medicare primary specialty in Camden, NJ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720583818 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians