Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jonathan L Held, MD

Individual provider Specialist · NPI 1699767608

Dr. Jonathan L Held, MD is a Dermatology in Ayer, Massachusetts. Graduated from Geisel School of Medicine at Dartmouth in 1985, 41 years ago. Accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
41
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

190 Groton Rd Ste 180
Ayer, MA 01432-1124
Phone: (978) 772-7221
Fax: (978) 772-5849
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 60554 (MA)

Record details

NPI number1699767608
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2005
Last updated in NPPESJuly 13, 2026
Mailing address352 Burroughs Rd, Boxboro, MA 01719-1916

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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