Margaret Tretter, DO, FACP

Geriatrics

21+ years in practiceNPI: 1477550382Licensed in PA

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Credentials & Recognition

Specialties

Geriatrics

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Geriatric Medicine207RG0300X

Hospitalist208M00000X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#20

Top Geriatricians in Pennsylvania, 2026

Geriatrics · Pennsylvania · 2026

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Frequently Asked Questions about Dr. Margaret Tretter, DO, FACP

Where does Dr. Margaret Tretter, DO, FACP practice?+
Dr. Margaret Tretter, DO, FACP practices in Pennsylvania, PA. 1255 S CEDAR CREST BLVD SUITE 2200 ALLENTOWN, PA 181036256.
What is Dr. Margaret Tretter, DO, FACP's phone number?+
Dr. Margaret Tretter, DO, FACP's practice phone is 610-437-9006. Office contact information is verified on the PBCMMG profile.
What does Dr. Margaret Tretter, DO, FACP specialize in?+
Dr. Margaret Tretter, DO, FACP's primary specialty is Geriatrics.
Is Dr. Margaret Tretter, DO, FACP board certified?+
Board certification status for Dr. Margaret Tretter, DO, FACP 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. Margaret Tretter, DO, FACP been practicing?+
Dr. Margaret Tretter, DO, FACP has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Margaret Tretter, DO, FACP's NPI number?+
Dr. Margaret Tretter, DO, FACP's National Provider Identifier (NPI) is 1477550382, 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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