Marissa Luan Tan, DO, MPH
Addiction Medicine (CMS) · Camden, NJ
At a glance
800 Cooper St Ste 4004Th, Camden, NJ 08102-1155
NPPES record updated Jun 19, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
800 Cooper St Ste 4004ThCamden, NJ 08102-1155
Additional reported practice locations
504 South StPhiladelphia, PA 191472210
Phone: 8008056989 2317 E Westmoreland St
Philadelphia, PA 191344529
Phone: 8008056989 323 S 60Th St
Philadelphia, PA 191431148
Phone: 8008056989
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2018
- CMS specialties
- Addiction Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Cooper University Hospital Camden, NJ
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $35.78 |
Reporting companies
| Company | Amount |
|---|---|
| GILEAD SCIENCES, INC. | $19.60 |
| BRAEBURN INC. | $16.18 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Addiction Medicine (CMS)
- Taxonomy code
- 2083A0300X
- Enumeration date
- Mar 29, 2018
- Record updated
- Jun 19, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- DO, MPH
Reported taxonomies and licenses
2083A0300X
License reported: H0087983 MD
2083A0300X
License reported: 25MB12089100 NJ
2083P0901X
License reported: 25MB12089100 NJ
2083A0300X · Primary
License reported: OS020328 PA
2083P0901X
License reported: H0087983 MD
2083P0901X
License reported: OS020328 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
800 Cooper St Ste 4004ThCamden, NJ 08102-1155
- Phone
- (856) 342-3040
Mailing address
1 FEDERAL ST STE 200CAMDEN, NJ 081031088
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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