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

Louis A Bley, MD

Individual provider Sports Medicine (Orthopaedic Surgery) Physician · NPI 1285724526

Louis A Bley, MD is an Orthopedic Surgery in Somerville, Massachusetts. Graduated from Ohio State University College of Medicine in 1995, 31 years ago. Practices with Atrius Health Inc, a 1,205-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
31
Trained at
Ohio State University College of Medicine
Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

40 Holland St Dept 9TH
Somerville, MA 02144-2705
Phone: (617) 654-7111
Fax: (617) 629-6248
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 209427 (MA)
Sports Medicine (Orthopaedic Surgery) Physician Taxonomy 207XX0005X · Licence 209427 (MA)

Record details

NPI number1285724526
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESJanuary 28, 2021
Certification dateJanuary 28, 2021
Mailing address40 Holland St Dept 9th, Somerville, MA 02144-2705

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare