Joan Shaffer, MD

Addiction Medicine · Internal Medicine

20+ years in practiceNPI: 1568429801Licensed in MO

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Credentials & Recognition

Specialties

Addiction MedicineInternal Medicine

NPI sub-specialties

Internal Medicine, Critical Care Medicine207RC0200X

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

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Frequently Asked Questions about Dr. Joan Shaffer, MD

Where does Dr. Joan Shaffer, MD practice?+
Dr. Joan Shaffer, MD practices in Missouri, MO. 621 S NEW BALLAS RD SUITE 4006-B SAINT LOUIS, MO 631418232.
What is Dr. Joan Shaffer, MD's phone number?+
Dr. Joan Shaffer, MD's practice phone is 314-251-6486. Office contact information is verified on the PBCMMG profile.
What does Dr. Joan Shaffer, MD specialize in?+
Dr. Joan Shaffer, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine.
Is Dr. Joan Shaffer, MD board certified?+
Board certification status for Dr. Joan Shaffer, 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. Joan Shaffer, MD been practicing?+
Dr. Joan Shaffer, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Joan Shaffer, MD's NPI number?+
Dr. Joan Shaffer, MD's National Provider Identifier (NPI) is 1568429801, 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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