JAMES W. DUNCAN DMD
NPI 1093153058
Dentist - General Practice in Tucson, AZ

Q: What is James Duncan's NPI number?

The NPI number for James Duncan is 1093153058. It was assigned to this individual provider in the NPPES registry on June 11, 2013.

Q: What is James Duncan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for James Duncan was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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 June 11, 2013PECOS Enrolled

839 W CONGRESS ST, TUCSON, AZ 85745(520) 670-3909(520) 309-2560 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2025, May 9, 2025 (2 updates tracked since 2025).

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About James W. Duncan Dmd NPPES

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

JAMES W. DUNCAN DMD (NPI 1093153058) is an individual general practice provider in Tucson, Arizona, licensed in Arizona (D009145) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093153058

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameJAMES W. DUNCANCredential: DMD

Location Address839 W CONGRESS STTucson, AZ 85745-2819

Mailing Address839 W Congress StTucson, AZ 85745-2819 · (520) 670-3909 · Fax (520) 309-2560

Phone(520) 670-3909

Fax(520) 309-2560

Sole ProprietorNo

Enumeration DateJune 11, 2013

Last NPPES UpdateAugust 20, 20252 updates tracked since enumeration

NPPES CertifiedAugust 20, 2025

✔ NPI 1093153058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in AZ · D009145

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.

Also ListedDentist · Dental Public HealthTaxonomy 1223D0001X · License D008740 (AZ)

839 W CONGRESS ST, Tucson, AZ 85745

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Anthem Blue Cross and Blue Shield and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James W. Duncan Dmd 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.

Medicare Billing Reassignment

Medicare enrollment records show James Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mariposa Community Health Center, Inc

42 mi

Federally Qualified Health Center (FQHC)

2221 E FRONTAGE RD STE 101, BLDG G-STE 101/BLDG F-STE 104
Tubac, AZ 85646

Reassigned Medicare billing, Arizona enrollment
60 clinicians in this Medicare group

NPI 1578922787 (520) 281-1550

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85745 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

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 20

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

NICOLA FINLEY MD

Internal Medicine