Douglas Dier, MD

Addiction Medicine · Internal Medicine · Rheumatology

20+ years in practiceNPI: 1548374382Licensed in VT

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineRheumatology

NPI sub-specialties

Internal Medicine, Rheumatology207RR0500X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#17

Top Rheumatologists in Vermont, 2026

Rheumatology · Vermont · 2026

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Frequently Asked Questions about Dr. Douglas Dier, MD

Where does Dr. Douglas Dier, MD practice?+
Dr. Douglas Dier, MD practices in Vermont, VT. 98 ALLEN ST RUTLAND, VT 057014592.
What is Dr. Douglas Dier, MD's phone number?+
Dr. Douglas Dier, MD's practice phone is 802-775-3374. Office contact information is verified on the PBCMMG profile.
What does Dr. Douglas Dier, MD specialize in?+
Dr. Douglas Dier, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Rheumatology.
Is Dr. Douglas Dier, MD board certified?+
Board certification status for Dr. Douglas Dier, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Douglas Dier, MD been practicing?+
Dr. Douglas Dier, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Douglas Dier, MD's NPI number?+
Dr. Douglas Dier, MD's National Provider Identifier (NPI) is 1548374382, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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