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

Dr. Justin Seth Holtzman, MD

Individual provider Hospitalist Physician · NPI 1669769501

Dr. Justin Seth Holtzman, MD is a Hospitalist in Brookline, Massachusetts. Qualified in 2011, 15 years ago. Practices with Mary Imogene Bassett Hospital, a 779-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New York.

Years since qualifying
15
Licensed in
MA, NY
In the registry since
2011
Specialties on file
3
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

1180 Beacon St Ste 6B
Brookline, MA 02446-3806
Phone: (781) 770-4064
Show map & directions

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

Additional practice locations (3)

  • 164 High Street, Greenfield, MA 01301-2613 — (413) 772-0211
  • 875 Main St, Weymouth, MA 02190-1658 — (781) 770-4064
  • 1425 Portland Ave, Rochester, NY 14621-3011 — (585) 922-5067

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 257451 (MA)
Hospitalist Physician Taxonomy 208M00000X · Licence 257451 (MA)
Hospitalist Physician Taxonomy 208M00000X · Licence 295944 (NY)

Record details

NPI number1669769501
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2011
Last updated in NPPESJanuary 3, 2024
Certification dateJanuary 3, 2024

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Mary Imogene Bassett Hospital — 779 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Brookline