Mark D Johnson, MD PHD
NeurosurgeryListing does not mean the doctor offers SpineLens second opinions.
Specialty
Neurosurgery
Clinic or group
Umass Memorial Medical Group Inc
Address
55 Lake AVE N
Worcester, MA 01655
Phone
Telehealth
Offers telehealth (per Medicare data)
NPI
1578501797
Source: public NPI Registry. Registry last updated October 26, 2020. Directory data as of 2026-10.
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