Christopher Jason Obrien, DPT
Physical Therapist · Somerville, MA
Christopher Jason Obrien, DPT is a physical therapist with a practice address in Somerville, Massachusetts, and NPI 1033412945, issued on Dec 15, 2010. Check the license (Massachusetts 18699, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Jason Obrien
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 18699 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Middlesex Ave, Somerville, MA 02145
- Phone
- (617) 591-4601
- Enumerated
- Dec 15, 2010
- Record last updated
- Sep 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120821001034); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 7,100 in Massachusetts → Look up another NPI →
Also registered at 5 Middlesex Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rita AgholorFamily Nurse Practitioner1013454016
- Richard Akerberg, PTAPhysical Therapy Assistant1598960023
- Denise Balian, OTROccupational Therapist1275737090
- Katherine Baratta, PT DPTPhysical Therapist1518418540
- Maureen Beckshaw, PTPhysical Therapist1124223045
- Elizabeth Bowler, PTPhysical Therapist1952505836
Verify Christopher Jason Obrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 18699Check 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
- Marathon Physical Therapy And Sports Medicine, LLCNorton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Jason Obrien among 7,100 physical therapist records in Massachusetts
Christopher Jason Obrien, DPT is one of 7,100 physical therapist records with a practice address in Massachusetts. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 36% of them.
- NPI issued2010 · 36% of these records are older, 62% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2009 · median 2017 among the 2,371 with a school on file
- Record last updated2017 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
78 physical therapist records list a practice address in Somerville
They are 78 of the 1,860 NPPES records with a practice address in Somerville, and 7,100 physical therapist records in Massachusetts.
All 7,100 in Massachusetts → Every provider in Somerville → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Maureen Beckshaw, PTSomerville, MA 021451124223045
- Elizabeth Bowler, PTSomerville, MA 021451952505836
- Ron Chorzewski, PTSomerville, MA 021451487858510
- Michelle Correa, DPTSomerville, MA 021451245549708
- Linda Coultas, PTSomerville, MA 021451427277029
- Christina Delmonte, DPTSomerville, MA 021451154621670
- Margaret Gallagher, PTSomerville, MA 021451235334608
- Chris Joyce, DPTSomerville, MA 021451457639163
Common questions
What is Christopher Jason Obrien, DPT's NPI number?
Christopher Jason Obrien, DPT's National Provider Identifier (NPI) is 1033412945, issued on Dec 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Jason Obrien, DPT located?
The NPPES record lists a practice address at 5 Middlesex Ave, Somerville, MA, 02145. Phone: (617) 591-4601. Providers update this record themselves, so call before visiting.
How can I verify Christopher Jason Obrien, DPT's license?
NPPES lists Massachusetts license number 18699, 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.