THOMAS JAMES DUNCAN MD
NPI 1639113327
Family Medicine in Olympia, WA

Q: What is Thomas Duncan's NPI number?

The NPI number for Thomas Duncan is 1639113327. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Q: What is Thomas Duncan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Duncan was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 15, 2006PECOS EnrolledAccepts Medicare Assignment

2950 LIMITED LN NW, OLYMPIA, WA 98502(360) 706-2763(360) 350-0735 Get Directions Write a Review

NPPES record last updated: September 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2022, Apr 20, 2021, Nov 13, 2018 and 2 more (5 updates tracked since 2018).

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About Thomas James Duncan Md NPPES

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

THOMAS JAMES DUNCAN MD (NPI 1639113327) is an individual family medicine provider in Olympia, Washington, licensed in Washington (MD00040214) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1996).

NPPES Registry Identity

NPI1639113327

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameTHOMAS JAMES DUNCANCredential: MD

Location Address2950 LIMITED LN NWOlympia, WA 98502-4577

Mailing Address2950 Limited Ln NwOlympia, WA 98502-4577 · (360) 706-2763 · Fax (360) 350-0735

Phone(360) 706-2763

Fax(360) 350-0735

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1996

Enumeration DateJune 15, 2006

Last NPPES UpdateSeptember 26, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 26, 2025

✔ NPI 1639113327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WA · MD00040214

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2950 LIMITED LN NW, Olympia, WA 98502

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas James Duncan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759318348

PECOS Enrollment IDI20050726000362

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 Thomas Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Duncan Family Medicine & Integrative Health, PLLC

Same address

Family Medicine

2950 LIMITED LN NW
Olympia, WA 98502

Reassigned Medicare billing, Washington enrollment
2 clinicians in this Medicare group

NPI 1881174746 (360) 706-2763

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

256 services84 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

92 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98502 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

Established Patient

$100.78 typical visit price

range $18.56 – $141.11

Typical copayment $25.19 (range $4.64 – $35.27)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers35 claims85 services$6.24 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers12 claims18 services$1.19 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

3 suppliers22 claims22 services$176.74 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

KIMBERLY E RIANO ARNP

Nurse Practitioner (Primary Care)