Summary

Dr. Marcia Tonnesen is a dermatologist with over five decades of medical experience. She earned her medical degree from the University of Utah School of Medicine and completed her internship at Barnes Hospital in 1974, followed by her residency at Massachusetts General Hospital in 1978. With 53 years of dedicated practice in dermatology, Dr. Tonnesen brings extensive knowledge to patient care. She provides services in English.

Dr. Tonnesen practices at Stony Brook Dermatology Associates in Stony Brook, New York, and maintains an affiliation with Stony Brook University Hospital. She specializes in treating contact dermatitis, cutaneous T-cell lymphoma, and psoriasis. Her expertise includes medical dermatology and phototherapy treatments. Patients have given her an average rating of 2.8 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.8
  • 53 years of experience
  • 18 insurance plans accepted
  • speaks English
  • Massachusetts General Hospital
  • 2 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Stony Brook Dermatology Associates

1320 Stony Brook Rd Ste 200Stony Brook, NY 11790
MonClosed
TueClosed
Wed10:00 am - 3:00 pm
ThuClosed
FriClosed
SatClosed
SunClosed

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Dr. Marcia G Tonnesen, MD
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Dr. Marcia G Tonnesen, MDDr. Sejal K. Shah, MDDr. David Erstein, MDDr. Aton M. Holzer, MD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.8 
4.8 
4.9 
3.9 
53 Years of Experience 21 Years of Experience 20 Years of Experience 21 Years of Experience
Virtual Visit Available Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Stony Brook , NYNew York , NYFresh Meadows , NYRiverhead , NY
Med School: University of Utah School of Medicine Med School: Icahn School Of Medicine At Mount Sinai Med School: State University of New York, Downstate Medical Center Med School: Weill Medical College of Cornell University
Current Profile
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Insurance Plans Accepted by Dr. Marcia G Tonnesen

  • Accepts Medicare
  • Accepts Medicaid
  • (Anthem) EMP HEALTH CHOICE HMO
  • (Anthem) EMP HEALTH CHOICE PPO
  • (Anthem) EMP HEALTH CHOICE SR
  • Aetna
  • Beech Street
  • CIGNA HMO
  • CIGNA PPO
  • GHI / MEDICARE PLUS
  • GHI CBP
  • GHI HMO
  • GREAT WEST
  • HEALTHFIRST
  • HIP
  • MagnaCare
  • MET EMPIRE
  • MULTIPLAN
  • OXFORD
  • UNITED HEALTHCARE

Medical Specialties

Dr. Marcia G Tonnesen has the following specialty

Specialty Expertise

Dr. Marcia G Tonnesen has the following 11 areas of expertise

  • Acne (Acne Vulgaris)
  • Actinic Keratosis
  • Basal Cell
  • Excision
  • Melanoma
  • Mole
  • Psoriasis
  • Rash
  • Rosacea
  • Skin Biopsy
  • Skin Cancer

Certifications, License, & Education

53 Years Experience

Dr. Marcia G Tonnesen holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027.

Education & Training

Residency

Completed their residency at Massachusetts General Hospital in 1978.

Internship

Completed their internship at Barnes Hospital in 1974.

Medical School

Graduated from University of Utah School of Medicine in 1973.

NPI Number

Dr. Tonnesen's NPI number is 1205883238.

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Frequently Asked Questions

How can I make an appointment with Dr. Marcia Tonnesen?
You can find contact information for Dr. Marcia Tonnesen here on Vitals.
Is Dr. Marcia Tonnesen accepting new patients?
Dr. Marcia Tonnesen is accepting new patients on Vitals. View Dr. Marcia Tonnesen's profile on Vitals to make an appointment.
Does Dr. Marcia Tonnesen accept my insurance?
You can see the insurance plans that Dr. Marcia Tonnesen accepts on their Vitals profile.
Which hospitals is Dr. Marcia Tonnesen affiliated with?
Dr. Marcia Tonnesen is affiliated with STONY BROOK UNIVERSITY HOSPITAL.
What languages does Dr. Marcia Tonnesen speak?
Dr. Marcia Tonnesen speaks English.

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