Joan Vonfeldt, MD

Rheumatology

20+ years in practiceNPI: 1689600199Licensed in PA

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Credentials & Recognition

Specialties

Rheumatology

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

#10

Top Rheumatologists in Pennsylvania, 2026

Rheumatology · Pennsylvania · 2026

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Frequently Asked Questions about Dr. Joan Vonfeldt, MD

Where does Dr. Joan Vonfeldt, MD practice?+
Dr. Joan Vonfeldt, MD practices in Pennsylvania, PA. 3400 SPRUCE ST 8 PENN TOWER PHILADELPHIA, PA 19104.
What is Dr. Joan Vonfeldt, MD's phone number?+
Dr. Joan Vonfeldt, MD's practice phone is 215-662-2415. Office contact information is verified on the PBCMMG profile.
What does Dr. Joan Vonfeldt, MD specialize in?+
Dr. Joan Vonfeldt, MD's primary specialty is Rheumatology.
Is Dr. Joan Vonfeldt, MD board certified?+
Board certification status for Dr. Joan Vonfeldt, 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 Vonfeldt, MD been practicing?+
Dr. Joan Vonfeldt, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Joan Vonfeldt, MD's NPI number?+
Dr. Joan Vonfeldt, MD's National Provider Identifier (NPI) is 1689600199, 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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