Doctor profile · Federal record

Dr. Syeda Hasan, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Danbury, CT

  • NPI 1558686956
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
24 Hospital Ave
Danbury, CT 068106099
(203) 739-7000
Additional location
70 DuBois St
Newburgh, NY 125504851
(845) 568-2305
Mailing address
70 Dubois St
Newburgh, NY 125504851

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Connecticut #57222 · New York #268576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558686956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
2
Medicare allowed
$22,777
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 94 93 $181
99284 Emergency department visit with moderate level of medical decision making 46 46 $125

In context: peer comparison

Among 10 peers in this city , average services per provider: 83. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$67
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 12 12 $67

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Syeda Hasan's medical specialty?
Dr. Syeda Hasan practices Emergency Medicine Physician in Danbury, CT.
Where does Dr. Syeda Hasan practice?
Dr. Syeda Hasan practices at 24 Hospital Ave, Danbury, CT 068106099. Office phone: 2037397000.
What is Dr. Syeda Hasan's NPI?
Dr. Syeda Hasan's National Provider Identifier (NPI) is 1558686956, issued by NPPES.
Does Dr. Syeda Hasan accept Medicare assignment?
Yes. Dr. Syeda Hasan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Syeda Hasan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.