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

Dr. Brian Patrick Regan Sr., DO

Individual provider Pediatric Gastroenterology Physician · NPI 1235279183

Dr. Brian Patrick Regan Sr., DO is a Pediatric Medicine in Boston, Massachusetts. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 2001, 25 years ago. Practices with Children's Hospital Pediatric Associates, Inc, a 336-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
25
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
NY
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

750 Washington St Pediatric Gastroenterology 2nd Fl Floating Hospital
Boston, MA 02111-1526
Phone: (617) 636-3266
Show map & directions

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

Specialties & licences

Pediatric Gastroenterology Physician (primary) Taxonomy 2080P0206X · Licence 226701 (NY)

Record details

NPI number1235279183
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedFebruary 8, 2007
Last updated in NPPESApril 2, 2010

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 2001 (25 years in practice)
Group practice Children'S Hospital Pediatric Associates, Inc — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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