John Costello, MD

Addiction Medicine · Internal Medicine · Hospital Medicine · Cardiology · Rheumatology · Geriatrics

20+ years in practiceNPI: 1417062563Licensed in MO

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineHospital MedicineCardiologyRheumatologyGeriatrics

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Rheumatology207RR0500X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Google Reviews

4.9 / 5.0

201 reviews

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#37

Top Rheumatologists in Missouri, 2026

Rheumatology · Missouri · 2026

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Frequently Asked Questions about Dr. John Costello, MD

Where does Dr. John Costello, MD practice?+
Dr. John Costello, MD practices in Florida, FL. 2821 N BALLAS RD SUITE 165 SAINT LOUIS, MO 631312321.
What is Dr. John Costello, MD's phone number?+
Dr. John Costello, MD's practice phone is 314-995-9988. Office contact information is verified on the PBCMMG profile.
What does Dr. John Costello, MD specialize in?+
Dr. John Costello, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Hospital Medicine, Cardiology.
Is Dr. John Costello, MD board certified?+
Board certification status for Dr. John Costello, 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. John Costello, MD been practicing?+
Dr. John Costello, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. John Costello, MD's NPI number?+
Dr. John Costello, MD's National Provider Identifier (NPI) is 1417062563, 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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