MARISSA LUAN TAN DO, MPH
NPI 1720583818
Preventive Medicine - Addiction Medicine in Camden, NJ
About Marissa Luan Tan Do, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA LUAN TAN DO, MPH (NPI 1720583818) is an individual addiction medicine provider in Camden, New Jersey, licensed in Pennsylvania (OS020328) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Cooper University Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marissa Luan Tan Do, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Marissa Tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Camden, NJ 08103
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Cmc Department Of Medicine Group PA
- 399 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooper University Hospital
Acute Care Hospitals · Camden, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CAMDEN, NJ 08102
CAMDEN, NJ 08102
CAMDEN, NJ 08102
CAMDEN, NJ 08102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marissa Tan's NPI number?
The NPI number for Marissa Tan is 1720583818. It was assigned to this individual provider in the NPPES registry on March 29, 2018.
Where is Marissa Tan located?
Marissa Tan practices at 800 Cooper St Ste 4004th, Camden, NJ 08102. The listed phone number is (856) 342-3040.
What is Marissa Tan's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.
Is Marissa Tan enrolled in Medicare?
Yes. Marissa Tan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Marissa Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Tan reassigns Medicare benefits to Cmc Department Of Medicine (Camden, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marissa Tan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Marissa Tan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marissa Tan affiliated with any hospitals?
According to CMS data, Marissa Tan is affiliated with Cooper University Hospital.
When was this NPI record last updated?
The NPPES record for Marissa Tan was last updated on June 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marissa Luan Tan, DO, MPH · NPI 1720583818
Addiction Medicine physician in Camden, New Jersey. Individual provider, active in the CMS NPPES registry since March 29, 2018.
## Identity
- **NPI:** 1720583818 (Entity type: Individual)
- **Enumerated:** March 29, 2018
- **Primary specialty:** Preventive Medicine - Addiction Medicine · taxonomy 2083A0300X
- **State license:** OS020328 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 COOPER ST STE 4004TH, Camden, NJ 08102-1155
- **Phone:** (856) 342-3040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cmc Department Of Medicine (NPI 1104945005, Camden, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1720583818) · Data from the CMS NPPES public registry.