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

Individual provider Anesthesiology Physician · NPI 1497714588

Robert S Holzman, MD practises Anesthesiology in Boston, Massachusetts. Graduated from George Washington University School of Medicine in 1978, 48 years ago. Practices with Chmc Anesthesia Foundation Inc, a 134-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
48
Trained at
George Washington University School of Medicine
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724 Not confirmed with CMS for 19 years — call before visiting
Phone: (617) 355-6457
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 54229 (MA)

Record details

NPI number1497714588
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2006
Last updated in NPPESAugust 20, 2007

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice Chmc Anesthesia Foundation Inc — 134 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Chmc Anesthesia Foundation Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 134 clinicians in the practice; 12 are shown here.

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