Doctor profile · Federal record

Dr. Omar Arnaout, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Boston, MA

  • NPI 1528379641
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 732-5500

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
December 14, 2017
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Massachusetts #272333 · Illinois #125058573

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528379641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
8
Medicare allowed
$108,654
HCPCS Description Services Patients Avg allowed
61781 Computer-assisted procedure inside brain 52 49 $246
69990 Use of operating microscope 49 47 $227
99203 New patient office or other outpatient visit, 30-44 minutes 41 40 $87
99213 Established patient office or other outpatient visit, 20-29 minutes 36 25 $70
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 34 32 $88
61510 Removal of skull bone for removal of growth of upper brain 29 28 $2,469
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $142
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $138

In context: peer comparison

Among 38 peers in this city , average services per provider: 39. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,788
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
SERVIER PHARMACEUTICALS LLC 2 $2,788.17

By nature of payment

Consulting Fee
$2,230
Food and Beverage
$558

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Arnaout's medical specialty?
Dr. Omar Arnaout practices Neurological Surgery Physician in Boston, MA.
Where does Dr. Omar Arnaout practice?
Dr. Omar Arnaout practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Omar Arnaout's NPI?
Dr. Omar Arnaout's National Provider Identifier (NPI) is 1528379641, issued by NPPES.
Does Dr. Omar Arnaout accept Medicare assignment?
Yes. Dr. Omar Arnaout accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Omar Arnaout commonly perform?
Top Medicare-reported procedures in 2023: Computer-assisted procedure inside brain (HCPCS 61781); Use of operating microscope (HCPCS 69990); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.