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JAMES A DUNCAN DDS
NPI 1609081488
Dentist - General Practice in Portland, TX

Active since May 14, 2007PECOS Enrolled
240 RELIANT DR, PORTLAND, TX 78374(361) 643-3030(361) 643-5050 Get Directions Write a Review

NPPES record last updated: November 14, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 14, 2016, Jan 26, 2016 (2 updates tracked since 2016).

About James A Duncan Dds NPPES

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

JAMES A DUNCAN DDS (NPI 1609081488) is an individual general practice provider in Portland, Texas, licensed in Texas (18635) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609081488
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameJAMES A DUNCANCredential: DDS
Location Address240 RELIANT DRPortland, TX 78374-3317
Mailing Address240 Reliant DrPortland, TX 78374-3317 · (361) 643-3030 · Fax (361) 643-5050
Phone(361) 643-3030
Fax(361) 643-5050
Sole ProprietorYes
Enumeration DateMay 14, 2007
Last NPPES UpdateNovember 14, 20162 updates tracked since enumeration
✔ NPI 1609081488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in TX · 18635
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
240 RELIANT DR, Portland, TX 78374
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James A Duncan Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78374 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

JAMES DUNCAN DDS, PA
Dentist (General Practice)
240 RELIANT DR
PORTLAND, TX 78374
San Patricio County (361) 643-3030

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 Duncan's NPI number?

The NPI number for James Duncan is 1609081488. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is James Duncan located?

James Duncan practices at 240 Reliant Dr, Portland, TX 78374. The listed phone number is (361) 643-3030.

What is James Duncan's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is James Duncan enrolled in Medicare?

Yes. James Duncan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for James Duncan was last updated on November 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.