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THOMAS BERGAN IRWIN D.O.
NPI 1083711378
Internal Medicine in Dalton, MA

Active since September 20, 2006PECOS Enrolled

NPPES record last updated: January 5, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Thomas Bergan Irwin D.o. NPPES

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

THOMAS BERGAN IRWIN D.O. (NPI 1083711378) is an individual internal medicine provider in Dalton, Massachusetts, licensed in Massachusetts (230602) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083711378
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTHOMAS BERGAN IRWINCredential: D.O.
Location Address33 NORTH STDalton, MA 01226-1202
Mailing Address444 Stockbridge RdGreat Barrington, MA 01230-1295 · (413) 528-8580
Phone(413) 528-8580
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJanuary 5, 2018
✔ NPI 1083711378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 230602
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
33 NORTH ST, Dalton, MA 01226
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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)

Thomas Bergan Irwin D.o. 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 01226 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Portable liquid oxygen system, rental; includes portable container, supply reservoir, humidifier, flowmeter, refill adaptor, contents gauge, cannula or mask, and tubing E0434
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$32.48 avg. paid by Medicare
Stationary liquid oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, & tubing E0439
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$83.39 avg. paid by Medicare
Stationary oxygen contents, liquid, 1 month's supply = 1 unit E0442
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$43.78 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 4

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

LESLIE BARBARA WASHBURN NP
Nurse Practitioner (Family)
33 NORTH ST
DALTON, MA 01226
Berkshire County (413) 684-2110
DR. JOHN F BURNHAM JR. MD
Internal Medicine
33 NORTH ST
DALTON, MA 01226
Berkshire County (413) 684-2110
DR. THOMAS J VAUGHAN MD
Internal Medicine
33 NORTH ST
DALTON, MA 01226
Berkshire County (413) 684-2110
DALTON MEDICAL ASSOCIATES, LLP
Internal Medicine
33 NORTH ST
DALTON, MA 01226
Berkshire County (413) 684-2110

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 Thomas Irwin's NPI number?

The NPI number for Thomas Irwin is 1083711378. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Thomas Irwin located?

Thomas Irwin practices at 33 North St, Dalton, MA 01226. The listed phone number is (413) 528-8580.

What is Thomas Irwin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Irwin enrolled in Medicare?

Yes. Thomas Irwin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Irwin was last updated on January 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.