Dr. Marissa Tan, DO, MPH

Dr. Marissa Tan, DO, MPH

Addiction Specialist
2418 E York St, Philadelphia, PA
5.00
“Dr. Tan is awesome and a great listener with communicable bedside manner willing to always help or listen. So grateful highly recommended.”
nadia L.August 29, 2025
Highly recommended
100% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
Appointments available for new patients on Zocdoc

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Available appointments

What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00
“Dr. Tan is awesome and a great listener with communicable bedside manner willing to always help or listen. So grateful highly recommended.”
nadia L.August 29, 2025

About Dr. Marissa Tan

Dr. Marissa Tan is an addiction, preventive, and lifestyle medicine specialist at Kasama Philly in Philadelphia, PA, and also offers virtual care. She is fluent in English and Spanish, which allows her to serve patients from diverse linguistic backgrounds. Dr. Tan acquired her medical degree and master's degree in public health from UNT Health Science Center. She later completed a residency in preventive medicine at JHU Bloomberg School of Public Health and a fellowship in addiction medicine at the University of Maryland Medical Center. She is board certified in Addiction Medicine, Preventive Medicine, and Lifestyle Medicine. Patients trust Dr. Tan's expertise because she ensures positive, lasting health outcomes through high-quality care.

In-network insurances

  • PA Health and Wellness
  • Clover Health
  • Cigna-HealthSpring

Popular visit reasons

Addiction / Substance Abuse
Addiction Follow Up
Addiction Therapy
Alcoholism
Medication Assisted Treatment (MAT)
New Patient Visit
Opioid Maintenance Therapy
Prescription / Refill
Addiction / Substance Abuse
Addiction Follow Up
Addiction Therapy
Alcoholism

Office location

Dr. Marissa Tan, DO, MPH also offers online video visits for patients
Kasama Philly
2418 E York St, Philadelphia, PA 19125

Education and background

Practice names

Board certifications

  • American Board of Preventive Medicine

Education and training

  • Medical School - UNT Health Science Center, Doctor of Osteopathic Medicine
  • JHU Bloomberg School of Public Health Office of Career Services, Residency in Preventive Medicine
  • University of Maryland Medical Center, Fellowship in Addiction Medicine
  • UNT Health Science Center, Master's in Public Health

Languages spoken

  • English
  • Spanish

Provider's gender

Female

NPI number

1720583818

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
5.00
Bedside manner
5.00
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3 reviews
Most relevant
awesomely understood!
Verified patientVideo visit
Dr. Tan is awesome and a great listener with communicable bedside manner willing to always help or listen. So grateful highly recommended.
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Marissa Tan?

Generally, Dr. Marissa Tan has appointments available on Zocdoc within 1 week. You can see Dr. Tan's earliest availability on Zocdoc and make an appointment online.

Is Dr. Marissa Tan accepting new patients?

Dr. Marissa Tan generally accepts new patients on Zocdoc. You can see Dr. Tan's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Marissa Tan accept my insurance?

Choose your insurance plan to verify if Dr. Tan is in-network.

Can I make an appointment with Dr. Marissa Tan online?

Yes, you can make an appointment online with Dr. Tan using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Marissa Tan work with?

Where is Dr. Marissa Tan's office located?

Dr. Marissa Tan has 2 office locations in Philadelphia, view full addresses on Dr. Tan's profile.

Which board certifications does Dr. Marissa Tan have?

Dr. Marissa Tan is certified by American Board of Preventive Medicine.

What are common reasons for patients to see Dr. Marissa Tan?

Dr. Marissa Tan frequently sees patients for Addiction / Substance Abuse, Alcoholism, New Patient Visit, Opioid Maintenance Therapy, and Prescription / Refill. You can see other visit reasons for Dr. Marissa Tan on their profile.

What languages does Dr. Marissa Tan speak?

Dr. Marissa Tan speaks English and Spanish.

How do patients rate Dr. Marissa Tan in reviews?

3 patients have reviewed Dr. Marissa Tan. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.

ZocdocAddiction SpecialistsDr. Marissa Tan, DO, MPH