Dr. Held is on Doximity
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Office
190 Groton Rd
Suite 180
Ayer, MA 01432Phone+1 978-772-7221Fax+1 978-772-5849
Education & Training
New York Presbyterian Hospital (Columbia Campus)Residency, Dermatology, 1986 - 1989- New York Presbyterian Hospital (Cornell Campus)Internship, Internal Medicine, 1985 - 1986
Geisel School of Medicine at DartmouthClass of 1985
Certifications & Licensure
NY State Medical License 1986 - Present
MA State Medical License 1988 - 2025
American Board of Dermatology Dermatology
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014
- Fellow (FAAD) American Academy of Dermatology
Publications & Presentations
PubMed
- Hyperpigmentation and secondary hemochromatosis: A novel treatment with extracorporeal chelationJonathan L. Held, Burt Yankiver, Steven R. Kohn
Journal of the American Academy of Dermatology. 1993-02-01 - 2 citationsAtypical, nonfatal, transfusion-associated, acute graft-versus-host disease in a patient with Hodgkin's disease.Jonathan L. Held, Brian J. Druker, Steven R. Kohn, Wayne Byrnes, Randall J. Margolis
Journal of the American Academy of Dermatology. 1992-02-01 - 21 citationsLinear porokeratosis: successful treatment with diamond fraise dermabrasion.Philip R. Cohen, Jonathan L. Held, Bruce E. Katz
Journal of the American Academy of Dermatology. 1990-11-01
Professional Memberships
- Fellow
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