Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. THOMAS JAMES HAGAN D.C.
NPI 1245237569
Chiropractor in Cambridge, MA

Active since July 01, 2005
1718 MASSACHUSETTS AVE, CAMBRIDGE, MA 02138(617) 492-5438(617) 868-4611 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thomas James Hagan D.c. NPPES

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

DR. THOMAS JAMES HAGAN D.C. (NPI 1245237569) is an individual chiropractor in Cambridge, Massachusetts, licensed in Massachusetts (2866) and active in the NPI registry since July 2005. He is a graduate of New York Chiropractic College (2003).

NPPES Registry Identity

NPI1245237569
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. THOMAS JAMES HAGANCredential: D.C.
Location Address1718 MASSACHUSETTS AVECambridge, MA 02138-1804
Mailing Address1718 Massachusetts AveCambridge, MA 02138-1804 · (617) 492-5438 · Fax (617) 868-4611
Fax(617) 868-4611
Sole ProprietorNo
Medical School CMSNew York Chiropractic CollegeGraduated 2003
Enumeration DateJuly 1, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1245237569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License Licensed in MA · 2866
Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

1718 MASSACHUSETTS AVE, Cambridge, MA 02138

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas James Hagan D.c. 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 ID3577539139
PECOS Enrollment IDI20040903000996

Areas of Expertise CMS Part B claims

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.

Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
155 services27 patients

Other Providers at the Same Location NPPES 8

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

Registered Nurse (General Practice)
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Chiropractor
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Chiropractor (Sports Physician)
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Clinic/Center (Physical Therapy)
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Chiropractor
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Chiropractor
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Chiropractor
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138
Chiropractor
1718 MASSACHUSETTS AVE
CAMBRIDGE, MA 02138

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 Hagan's NPI number?

The NPI number for Thomas Hagan is 1245237569. It was assigned to this individual provider in the NPPES registry on July 1, 2005.

Where is Thomas Hagan located?

Thomas Hagan practices at 1718 Massachusetts Ave, Cambridge, MA 02138. The listed phone number is (617) 492-5438.

What is Thomas Hagan's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Thomas Hagan enrolled in Medicare?

Yes. Thomas Hagan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Thomas Hagan was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.