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

DR. ARTHUR DENNING DUFF MD
NPI 1649261553
Pediatrics - Adolescent Medicine in Fort Drum, NY

Q: What is Arthur Duff's NPI number?

The NPI number for Arthur Duff is 1649261553. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Q: What is Arthur Duff's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Q: When was this NPI record last updated?

The NPPES record for Arthur Duff 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 36 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 October 31, 2005

11050 MOUNT BELVEDERE BLVD, ATTN: CREDENTIALS, FORT DRUM, NY 13602(315) 772-4025 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Arthur Denning Duff Md NPPES

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

DR. ARTHUR DENNING DUFF MD (NPI 1649261553) is an individual adolescent medicine provider in Fort Drum, New York, licensed in California (C42876) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1649261553

Entity TypeIndividualMale

Primary Taxonomy2080A0000X

Provider Legal NameDR. ARTHUR DENNING DUFFCredential: MD

Location Address11050 MOUNT BELVEDERE BLVD, ATTN: CREDENTIALSFort Drum, NY 13602-5438

Mailing Address11050 Mt Belvedere Blvd, Attn: CredentialsFort Drum, NY 13602-5004 · (315) 772-4025

Phone(315) 772-4025

Sole ProprietorNo

Enumeration DateOctober 31, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1649261553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080A0000X

License✔ Licensed in CA · C42876

Definition

A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

11050 MOUNT BELVEDERE BLVD, Fort Drum, NY 13602

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LAUREL JARVIS PH.D.

Psychologist (Clinical)

11050 MOUNT BELVEDERE BLVD, BEHAVIORAL HEALTH DEPARTMENT, MEDDAC
FORT DRUM, NY 13602

Jefferson County (315) 772-4850

DAVID LEWIS KEYES RPA-C

Physician Assistant

11050 MOUNT BELVEDERE BLVD, USA MEDDAC CREDENTIALS
FORT DRUM, NY 13602

Jefferson County (315) 772-5508

BRADY SIMPKINS PA-C

Physician Assistant

11050 MOUNT BELVEDERE BLVD
FORT DRUM, NY 13602

Jefferson County (802) 258-0301

MS. MARY ANGELA MACCULLOCH LCSW

Social Worker (Clinical)

11050 MOUNT BELVEDERE BLVD
FORT DRUM, NY 13602

Jefferson County (315) 772-7624

DR. ISAAC P MILLS DO

Family Medicine

11050 MOUNT BELVEDERE BLVD
FORT DRUM, NY 13602

Jefferson County (315) 772-2778

SAVITRI MOTAPARTHI M.D.

Pediatrics

11050 MOUNT BELVEDERE BLVD, USA MEDDAC /CREDENTIALS
FORT DRUM, NY 13602

Jefferson County (315) 772-4025

DR. LUTHER ROSWELL WIEST D.O.

Family Medicine

11050 MOUNT BELVEDERE BLVD
FORT DRUM, NY 13602

Jefferson County (315) 772-3679

MADISON GERMAN LCSW

Social Worker (Clinical)

11050 MOUNT BELVEDERE BLVD
FORT DRUM, NY 13602

Jefferson County (315) 772-2778

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 Arthur Duff's NPI number?

The NPI number for Arthur Duff is 1649261553. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Arthur Duff located?

Arthur Duff practices at 11050 Mount Belvedere Blvd Attn: Credentials, Fort Drum, NY 13602. The listed phone number is (315) 772-4025.

What is Arthur Duff's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

When was this NPI record last updated?

The NPPES record for Arthur Duff 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 36 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.