Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JAMES JEROME MAHONEY JR. MD
NPI 1174573059
Internal Medicine - Nephrology in Key West, FL

Q: What is James Mahoney's NPI number?

The NPI number for James Mahoney is 1174573059. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Q: What is James Mahoney's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for James Mahoney was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 11, 2006

1350 DOUGLAS CIR, BMA DIALYSIS 1122 KEYS PLAZA, KEY WEST, FL 33040(305) 797-0303 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 13, 2026, Jul 21, 2022 (2 updates tracked since 2022).

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About Dr. James Jerome Mahoney Jr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES JEROME MAHONEY JR. MD (NPI 1174573059) is an individual nephrology provider in Key West, Florida, licensed in Florida (ME20354) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1174573059

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. JAMES JEROME MAHONEY JR.Credential: MD

Location Address1350 DOUGLAS CIR, BMA DIALYSIS 1122 KEYS PLAZAKey West, FL 33040-4536

Mailing Address3112 Winchester DrCocoa, FL 32926-5860 · (305) 797-0303 · Fax (305) 293-4813

Phone(305) 797-0303

Sole ProprietorNo

Enumeration DateMay 11, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1174573059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in FL · ME20354

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1350 DOUGLAS CIR, Key West, FL 33040

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Other Identifiers 1

Other01196FL · Blue Shield

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Mahoney's NPI number?

The NPI number for James Mahoney is 1174573059. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is James Mahoney located?

James Mahoney practices at 1350 Douglas Cir Bma Dialysis 1122 Keys Plaza, Key West, FL 33040. The listed phone number is (305) 797-0303.

What is James Mahoney's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for James Mahoney was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.