Doctor profile · Federal record

Dr. Siobhan Powell, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Bronx, NY

  • NPI 1538548615
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
4422 Third Ave
Bronx, NY 104572594
(718) 960-9000
Additional location
12101 Edgemere Blvd
El Paso, TX 799384746
(915) 921-6610
fax (915) 832-2491
Additional location
1625 Medical Center Dr
El Paso, TX 799025005
(915) 747-4000
Show 3 more locations
Additional location
2001 N Oregon St
El Paso, TX 799023320
(915) 577-6011
fax (915) 577-7064
Additional location
2400 Trawood Dr
El Paso, TX 799364168
(915) 577-8100
Additional location
3280 Joe Battle Blvd
El Paso, TX 799382622
(915) 832-2000
fax (915) 832-2048
Mailing address
200 Corporate Blvd
Lafayette, LA 705083870

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
May 3, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Texas #S1684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538548615. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
280
Distinct HCPCS
3
Medicare allowed
$28,107
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 136 130 $171
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 109 100 $8
99284 Emergency department visit with moderate level of medical decision making 35 34 $114

In context: peer comparison

Among 157 peers in Bronx Emergency Medicine Physician, average services per provider: 73. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
213
Patients
211
Total drug cost
$1,743
Drug Type Claims Patients Total cost
Cefdinir Generic 39 37 $698
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 34 34 $125
Dicyclomine Hcl Generic 25 25 $138
Naproxen Generic 19 19 $74
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 18 18 $164
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 16 16 $221
Ibuprofen Generic 14 14 $46
Cyclobenzaprine Hcl Generic 13 13 $30
Doxycycline Hyclate Generic 12 12 $154
Ondansetron Odt (Ondansetron) Brand 12 12 $71

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Siobhan Powell's medical specialty?
Dr. Siobhan Powell practices Emergency Medicine Physician in Bronx, NY.
Where does Dr. Siobhan Powell practice?
Dr. Siobhan Powell practices at 4422 Third Ave, Bronx, NY 104572594. Office phone: 7189609000.
What is Dr. Siobhan Powell's NPI?
Dr. Siobhan Powell's National Provider Identifier (NPI) is 1538548615, issued by NPPES.
Does Dr. Siobhan Powell accept Medicare assignment?
Yes. Dr. Siobhan Powell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siobhan Powell commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.