Marisa Gefen, MD
- University City 37 S 40th St, Second Floor, Philadelphia, PA 19104
- Accepts most Medicare plansView insurance accepted
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Notify me when appointments are available.
This provider is accepting new patients, but a limited number of appointments are available to book online. Add your name to the waitlist, and a member of our team will contact you when new appointments are available.
Or you may call (888) 898-6762 to reach a member of our team. We will be happy to help you.

Meet Marisa Gefen, MD
My education and background
- American Board of Internal Medicine
What I treat
- Internal Medicine
- Asthma
- Arteriosclerosis
- Anemia
- Osteoarthritis
- Diabetes
- Mental Health
- Kidney Disease
- Heart Disease
- Skin, Hair, and Nails
- Allergies
- Cold and Flu
Insurance Accepted
Marisa Gefen, MD accepts the following insurance. Check your coverage or call us at (888) 812-1183 to see if we accept your specific insurance.
Original Medicare
Medicare Supplement
Medicare Advantage
My Location
- Address: 37 S 40th St, Second Floor, Philadelphia, PA 19104Get directions

In the News
View all articlesOak Street Health opens center in Lancaster for adults on Medicare
Media MentionsPublished Sep 7, 2023Read at Central Penn Business JournalCan Yoga Reduce Blood Sugar Levels for People With Type 2 Diabetes?
Media MentionsPublished Oct 17, 2022Read at Verywell HealthQ&A: Dr. Marisa Gefen discusses breast cancer, preventative measures and importance of mammograms
Media MentionsPublished Oct 12, 2022Read at Metro PhiladelphiaThe US government just said which healthcare companies are taking part in a new program that upstarts like Clover are buzzing about
Media MentionsPublished Apr 8, 2021Read at Business Insider
Common questions
How do I become a patient of Marisa Gefen?
Call (888) 812-1183 to become a patient of Dr. Gefen at Oak Street Health. You can also stop by your nearest doctors office and clinics or fill out an appointment request form, and we'll be in touch.
What insurance does Marisa Gefen accept?
Dr. Gefen accepts all forms of Medicare, including Original Medicare Part B, select Medicare Advantage plans, Medicare Supplement or Medigap plans and Medicare-Medicaid Plans. Call us at (888) 812-1183 to see if we accept your specific insurance.
What is Marisa Gefen's specialty?
Dr. Gefen is a Internist. At Oak Street Health, all our providers specialize in primary care for adults on Medicare.
Where is Marisa Gefen's office located?
Dr. Gefen's primary office is at 37 S 40th St, Second Floor in Philadelphia, Pennsylvania.
What languages does Marisa Gefen speak?
Dr. Gefen speaks English.
Who can become a patient of Marisa Gefen?
Our doctors specialize caring for anyone with Medicare, including Original Medicare Part B, select Medicare Advantage plans, Medicare Supplement or Medigap plans and Medicare-Medicaid Plans.
Reviews and ratings
Summary
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Written reviews (11)
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Marisa Gefen
