DR. THOMAS F BREEN (M.D.) – Orthopaedic Surgery Physician, NPI 1205810017

DR. THOMAS F BREEN (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in Orthopaedic Surgery Physician. They hold the professional credentials M.D.. They hold a License No. 56849 (MA). The NPI Number for DR. THOMAS F BREEN (M.D.) is 1205810017

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS F BREEN (M.D.)
NPI
1205810017
Phone
(800) 225-8885
Address
PO BOX 415348
Enumeration Date
5 December 2005
Last Update Date
27 October 2020

Doctor Profile

Medical School Name
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Secondary Phone
5083341000
Graduation Year
1981 (45 years ago)
PAC ID
2769439512
Group Practice PAC ID
4284539891
Professional Enrollment ID
I20050404000646

Contacts

Secure Messaging
tbreen22269@UmassMemorial.direct-ci.com
FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for DR. THOMAS F BREEN (M.D.)

  • PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States

    BOSTON, MA 022410001

    Phone: (800) 225-8885

    Fax: (508) 334-1977

    Type: Mailing

  • UMass Memorial Medical Center - Hahnemann Campus, 281, Lincoln Street, Washburn and Moen North Works Historic District, Brittan Square, Worcester, Worcester County, Massachusetts, 01605, United States

    DEPARTMENT OF ORTHOPEDIC SURGERY

    WORCESTER, MA 016052138

    Phone: (508) 334-0600

    Fax: (508) 334-5151

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99212Established patient office or other outpatient visit, 10-19 minutes6255$0
99213Established patient office or other outpatient visit, 20-29 minutes4239$0
64721Release and/or relocation of hand nerve3736$0
99203New patient office or other outpatient visit, 30-44 minutes3333$0
26055Incision of tendon covering of finger3024$0
View full utilization report →

Insurance plans in this area (ZIP 02241)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4284539891View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MA
-MA
-MA
Family PracticeMA
Physician AssistantMA
Pulmonary Disease, Critical Care (Intensivists), Allergy/ImmunologyMA
-MA
-MA
Internal MedicineMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

How do I look up DR. THOMAS F BREEN (M.D.) by NPI?
Use NPI 1205810017 when you need to reference DR. THOMAS F BREEN (M.D.) in forms, claims, or directories.
Is DR. THOMAS F BREEN (M.D.)'s NPI currently valid?
The extract we use shows DR. THOMAS F BREEN (M.D.) as active.
What field does DR. THOMAS F BREEN (M.D.) work in?
You can think of DR. THOMAS F BREEN (M.D.) as practicing within Orthopaedic Surgery Physician. Clinical services aligned with this taxonomy classification.
Where is DR. THOMAS F BREEN (M.D.)'s primary listing?
We display Boston, Massachusetts because that is what the record indicates for DR. THOMAS F BREEN (M.D.).
Is DR. THOMAS F BREEN (M.D.) a real provider?
This page reflects official NPPES data for NPI 1205810017. Always confirm identity and privileges with the practice and licensing boards.

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