Sarah Hallen, MD

Addiction Medicine · Internal Medicine · Geriatrics

20+ years in practiceNPI: 1033221817Licensed in ME

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineGeriatrics

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Geriatric Medicine207RG0300X

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

#11

Top Geriatricians in Maine, 2026

Geriatrics · Maine · 2026

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Frequently Asked Questions about Dr. Sarah Hallen, MD

Where does Dr. Sarah Hallen, MD practice?+
Dr. Sarah Hallen, MD practices in Maine, ME. 66 BRAMHALL ST PORTLAND, ME 041023344.
What is Dr. Sarah Hallen, MD's phone number?+
Dr. Sarah Hallen, MD's practice phone is 207-662-3157. Office contact information is verified on the PBCMMG profile.
What does Dr. Sarah Hallen, MD specialize in?+
Dr. Sarah Hallen, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Geriatrics.
Is Dr. Sarah Hallen, MD board certified?+
Board certification status for Dr. Sarah Hallen, 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. Sarah Hallen, MD been practicing?+
Dr. Sarah Hallen, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Sarah Hallen, MD's NPI number?+
Dr. Sarah Hallen, MD's National Provider Identifier (NPI) is 1033221817, 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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