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

Holly Mason, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1497950182

Holly Mason, MD, PHD is a Dermatology in Salem, Massachusetts. Graduated from Tufts University School of Medicine in 2005, 21 years ago. Practices with Northeast Dermatology Associates PC, a 84-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Pennsylvania.

Years since qualifying
21
Trained at
Tufts University School of Medicine
Licensed in
MA, PA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5 Paradise Rd
Salem, MA 01970-4229
Phone: (978) 691-5690
Fax: (978) 691-5693
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 238774 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence MT189227 (PA)

Record details

NPI number1497950182
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 20, 2007
Last updated in NPPESDecember 6, 2017
Mailing address280 Merrimack St Ste 311, Lawrence, MA 01843-1779

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Northeast Dermatology Associates Pc — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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