Thomas James Hagan, D.C.
Chiropractor · Cambridge, MA
Thomas James Hagan, D.C. is a chiropractor with a practice address in Cambridge, Massachusetts, and NPI 1245237569, issued on Jul 1, 2005. Check the license (Massachusetts 2866, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas James Hagan
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 2866 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1718 Massachusetts Ave, Cambridge, MA 02138
- Phone
- (617) 492-5438
- Enumerated
- Jul 1, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (617) 868-4611
- Medicare enrollment
- Enrolled (PECOS I20040903000996); accepts Medicare assignment
- Medical or professional school
- New York Chiropractic College, 2003
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 1,577 in Massachusetts → Look up another NPI →
Also registered at 1718 Massachusetts Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Ansenberger, D.CChiropractor1891249231
- Wesley Bonnell, DCSports Physician Chiropractor1245072446
- Cameron Brown, D.C.Chiropractor1770923062
- Alexander Castellano, DCChiropractor1154910339
- Namnim Choo, D.C.General Practice Registered Nurse1093785388
- Hari Khalsa, D.C.Chiropractor1720257975
Verify Thomas James Hagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Khalsa Chiropractic Office P.C.Cambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas James Hagan among 1,577 chiropractor records in Massachusetts
Thomas James Hagan, D.C. is one of 1,577 chiropractor records with a practice address in Massachusetts. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2003 · median 1999 among the 713 with a school on file
- Record last updated2026 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Chiropractor providers in Massachusetts
There are 1,577 chiropractor records in Massachusetts.
All 1,577 in Massachusetts → Every provider in Cambridge → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Andrea Ansenberger, D.CCambridge, MA 021381891249231
- Steven Brown, D.C.Cambridge, MA 021381477554319
- Cameron Brown, D.C.Cambridge, MA 021381770923062
- Alexander Castellano, DCCambridge, MA 021381154910339
- John Danchik, D.C.Cambridge, MA 021381386748960
- Patrick Doody, D.C.Cambridge, MA 021381467578864
- Susan Grace, D.C.Cambridge, MA 021381679893697
- Hari Khalsa, D.C.Cambridge, MA 021381720257975
Common questions
What is Thomas James Hagan, D.C.'s NPI number?
Thomas James Hagan, D.C.'s National Provider Identifier (NPI) is 1245237569, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas James Hagan, D.C. located?
The NPPES record lists a practice address at 1718 Massachusetts Ave, Cambridge, MA, 02138. Phone: (617) 492-5438. Providers update this record themselves, so call before visiting.
How can I verify Thomas James Hagan, D.C.'s license?
NPPES lists Massachusetts license number 2866, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.