Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Thomas James Hagan, DC

Individual provider Chiropractor · NPI 1245237569

Dr. Thomas James Hagan, DC is a Chiropractic in Cambridge, Massachusetts. Graduated from New York Chiropractic College in 2003, 23 years ago. Practices with Khalsa Chiropractic Office PC, a 4-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
23
Trained at
New York Chiropractic College
Licensed in
MA
In the registry since
2005
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

1718 Massachusetts Ave
Cambridge, MA 02138-1804
Phone: (617) 492-5438
Fax: (617) 868-4611
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 2866 (MA)

Record details

NPI number1245237569
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 1, 2005
Last updated in NPPESJuly 13, 2026
Mailing address1718 Massachusetts Ave, Cambridge, MA 02138-1804

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolNEW YORK CHIROPRACTIC COLLEGE
Graduated 2003 (23 years in practice)
Group practice Khalsa Chiropractic Office P.C. — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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