Doctor profile · Federal record

Dr. Omar Nadeem, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Medical Oncology Physician · Boston, MA

  • NPI 1215170691
  • Accepts Medicare
  • MIPS 83.1 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
450 Brookline Ave
Boston, MA 02215
(617) 632-6140
fax (617) 632-5168
Additional location
2014 Washington St
Newton, MA 024621607
(617) 658-6000

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
June 6, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Massachusetts #261852

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215170691. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
622
Distinct HCPCS
8
Medicare allowed
$74,628
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 226 163 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 136 90 $154
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 111 34 $85
99205 New patient office or other outpatient visit, 60-74 minutes 44 44 $194
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 21 $127
99214 Established patient office or other outpatient visit, 30-39 minutes 37 24 $104
99239 Hospital discharge day management, more than 30 minutes 12 12 $123
99443 Telephone medical discussion with physician, 21-30 minutes 12 11 $104

In context: peer comparison

Among 26 peers in Boston Hematology (Internal Medicine) Physician, average services per provider: 95. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15,600
Transactions
12
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 5 $8,718.60
Genzyme Corporation 3 $4,671.07
Janssen Biotech, INC. 3 $2,136.69
Janssen Research & Development, LLC 1 $73.60

By nature of payment

Consulting Fee
$8,911
Education
$6,098
Food and Beverage
$591

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
257
Patients
90
Total drug cost
$3,310,248
Drug Type Claims Patients Total cost
Revlimid (Lenalidomide) Brand 134 48 $2,285,403
Pomalyst (Pomalidomide) Brand 43 18 $880,578
Acyclovir Generic 27 11 $554
Dexamethasone Generic 23 13 $419
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 18 0 $111
Ninlaro (Ixazomib Citrate) Brand 12 0 $143,184

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Nadeem's medical specialty?
Dr. Omar Nadeem practices Hematology (Internal Medicine) Physician in Boston, MA.
Where does Dr. Omar Nadeem practice?
Dr. Omar Nadeem practices at 450 Brookline Ave, Boston, MA 02215. Office phone: 6176326140.
What is Dr. Omar Nadeem's NPI?
Dr. Omar Nadeem's National Provider Identifier (NPI) is 1215170691, issued by NPPES.
Does Dr. Omar Nadeem accept Medicare assignment?
Yes. Dr. Omar Nadeem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Omar Nadeem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.