Nicholas Bartenhagen, MD

Addiction Medicine · Internal Medicine · Rheumatology

20+ years in practiceNPI: 1902819493Licensed in NH

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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

#20

Top Rheumatologists in Vermont, 2026

Rheumatology · Vermont · 2026

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Frequently Asked Questions about Dr. Nicholas Bartenhagen, MD

Where does Dr. Nicholas Bartenhagen, MD practice?+
Dr. Nicholas Bartenhagen, MD practices in New Hampshire, NH. 590 COURT ST KEENE, NH 034311719.
What is Dr. Nicholas Bartenhagen, MD's phone number?+
Dr. Nicholas Bartenhagen, MD's practice phone is 603-354-6570. Office contact information is verified on the PBCMMG profile.
What does Dr. Nicholas Bartenhagen, MD specialize in?+
Dr. Nicholas Bartenhagen, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Rheumatology.
Is Dr. Nicholas Bartenhagen, MD board certified?+
Board certification status for Dr. Nicholas Bartenhagen, 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. Nicholas Bartenhagen, MD been practicing?+
Dr. Nicholas Bartenhagen, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Nicholas Bartenhagen, MD's NPI number?+
Dr. Nicholas Bartenhagen, MD's National Provider Identifier (NPI) is 1902819493, 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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