Doctor profile · Federal record

Dr. Nissa Ali

Emergency Medicine Physician · Boston, MA

  • NPI 1740523448
  • 13 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
800 Washington St
Boston, MA 021111552
(617) 459-9226
Additional location
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000
Additional location
330 Mount Auburn St
Cambridge, MA 021385502
Show 1 more location
Additional location
35R Parker St
Watertown, MA 024723912
Mailing address
330 Brookline Avenue, Beth Israel Deaconess Medical Center
Boston, MA 02215

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
June 21, 2023
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #266186

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740523448. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
413
Distinct HCPCS
4
Medicare allowed
$76,270
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 238 235 $183
99291 Critical care, first 30-74 minutes 85 83 $224
99284 Emergency department visit with moderate level of medical decision making 51 51 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 36 $184

In context: peer comparison

Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
23
Total drug cost
$167
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $122
Ibuprofen Generic 11 11 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Nissa Ali's medical specialty?
Dr. Nissa Ali practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Nissa Ali practice?
Dr. Nissa Ali practices at 800 Washington St, Boston, MA 021111552. Office phone: 6174599226.
What is Dr. Nissa Ali's NPI?
Dr. Nissa Ali's National Provider Identifier (NPI) is 1740523448, issued by NPPES.
What procedures does Dr. Nissa Ali commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.