Dr. James H. Ratner , MD
Dermatology • Amherst, MA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. James Ratner has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. James Ratner, MD was a registered Dermatology practicing in Amherst, MA. Throughout an active medical career spanning 20 years, Dr. Ratner provided care at the practice location at 170 UNIVERSITY DR until profile deactivation on 2026-01-01.
Practice Location & Contact Primary Location
170 University Dr
#102
Amherst, MA 010022247
Specialty Benchmarks & Practice Insights
Comparative analytics for Dermatology in Amherst, MA
Practicing in Amherst, MA (648 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207N00000X
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner - Primary Care
Nurse Practitioner
Psychiatry & Neurology - Neurology
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Sleep Medicine
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Neurology
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
DNPFNPBC
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on January 01, 2026
NPI status registered as active in NPPES database
Registered at 170 UNIVERSITY DR, #102, AMHERST, MA 010022247 (Tel: 4132532287)
Registered at 170 UNIVERSITY DR, #102, AMHERST, MA 010022247 (Tel: 4132532287)
Recorded as JAMES RATNER, MD
Dermatology (License #40996 in MA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
170 University Dr, #102
Amherst, MA 010022247
Phone: 4132532287
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