Doctor profile · Federal record

Dr. Danielle Margalit, M.D., M.P.H.

Radiation Oncology Physician (CMS: Radiation Oncology) · Internal Medicine Physician · Boston, MA

  • NPI 1720122112
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
100 Blossom St
Boston, MA 021142606
(617) 724-0288
Additional location
450 Brookline Ave
Boston, MA 022155418
(617) 632-3591
Additional location
55 Fruit St
Boston, MA 021142621
Show 1 more location
Additional location
75 Francis St
Boston, MA 021156110
(617) 732-5500
Mailing address
151 Lincoln St
Newton, MA 024611501

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
January 12, 2026
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
Massachusetts #235985 · Massachusetts #229030

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720122112. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
975
Distinct HCPCS
10
Medicare allowed
$87,667
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 245 22 $48
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 223 19 $22
77427 Radiation treatment management, 5 treatment sessions 104 29 $207
77300 Calculation of radiation therapy dose 89 25 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 63 57 $104
99205 New patient office or other outpatient visit, 60-74 minutes 52 52 $193
77334 Design and construction of complex radiation treatment device 45 28 $65
31575 Diagnostic exam of voice box using a flexible endoscope 42 38 $75
77263 Complex radiation therapy planning 28 27 $182
77301 High precision radiation therapy planning 19 18 $455

In context: peer comparison

Among 61 peers in Boston Radiation Oncology Physician, average services per provider: 91. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Danielle Margalit's medical specialty?
Dr. Danielle Margalit practices Radiation Oncology Physician in Boston, MA.
Where does Dr. Danielle Margalit practice?
Dr. Danielle Margalit practices at 100 Blossom St, Boston, MA 021142606. Office phone: 6177240288.
What is Dr. Danielle Margalit's NPI?
Dr. Danielle Margalit's National Provider Identifier (NPI) is 1720122112, issued by NPPES.
Does Dr. Danielle Margalit accept Medicare assignment?
Yes. Dr. Danielle Margalit accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Danielle Margalit commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.