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DR. SINCLAIR W ARMSTRONG JR. MD
NPI 1861435752
Urology in Fort Smith, AR

Active since June 14, 2006
7001 ROGERS AVE, FORT SMITH, AR 72903(479) 452-2077 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Sinclair W Armstrong Jr. Md NPPES

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

DR. SINCLAIR W ARMSTRONG JR. MD (NPI 1861435752) is an individual urology provider in Fort Smith, Arkansas, licensed in Arkansas (R-2359) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1861435752
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. SINCLAIR W ARMSTRONG JR.Credential: MD
Location Address7001 ROGERS AVEFort Smith, AR 72903-4073
Mailing AddressPo Box 3528Fort Smith, AR 72913-3528 · (479) 452-2077
Phone(479) 452-2077
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1861435752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in AR · R-2359
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
7001 ROGERS AVE, Fort Smith, AR 72903
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Other Identifiers 2

Medicare UPIND04303AR
Medicare ID-Type Unspecified50129AR

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.

RAYMOND C. GOODMAN JR. M.D.
Surgery
7001 ROGERS AVE, SUITE 200
FORT SMITH, AR 72903
Sebastian County (479) 314-4620
MERCY CLINIC FORT SMITH COMMUNITIES
Clinic/Center (Medical Specialty)
7001 ROGERS AVE, SUITE 401A
FORT SMITH, AR 72903
Sebastian County (479) 314-4650
DR. JAMES MICHAEL WHITENECK M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
7001 ROGERS AVE, SUITE 401
FORT SMITH, AR 72903
Sebastian County (479) 314-4650
DR. MERLE E MCCLAIN MD
Pediatrics
7001 ROGERS AVE
FORT SMITH, AR 72903
Sebastian County (479) 452-2077
MELISSA RAINWATER M.D.
Obstetrics & Gynecology
7001 ROGERS AVE, SUITE 502
FORT SMITH, AR 72903
Sebastian County (479) 484-5901
DR. STUART DEAN HARAWAY M.D.
Obstetrics & Gynecology
7001 ROGERS AVE, SUITE 400
FORT SMITH, AR 72903
Sebastian County (479) 274-5000
KATHLEEN TOON
Nurse Practitioner
7001 ROGERS AVE
FORT SMITH, AR 72903
Sebastian County (479) 314-7490
ETHAN PEARSON MSN, APRN, FNP-C
Nurse Practitioner (Family)
7001 ROGERS AVE
FORT SMITH, AR 72903
Sebastian County (479) 314-6000

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 Sinclair Armstrong's NPI number?

The NPI number for Sinclair Armstrong is 1861435752. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Sinclair Armstrong located?

Sinclair Armstrong practices at 7001 Rogers Ave, Fort Smith, AR 72903. The listed phone number is (479) 452-2077.

What is Sinclair Armstrong's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

When was this NPI record last updated?

The NPPES record for Sinclair Armstrong was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.