Doctor profile · Federal record

Dr. Margaret Noonan, M.D.

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

  • NPI 1154635217
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
56 Franklin St, Dept of Em
Waterbury, CT 067061253
(203) 709-6000
Mailing address
Po Box 363
Bethlehem, CT 067510363

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
November 15, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Connecticut #053466

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154635217. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
439
Distinct HCPCS
4
Medicare allowed
$71,728
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 230 215 $181
99284 Emergency department visit with moderate level of medical decision making 143 141 $124
99291 Critical care, first 30-74 minutes 52 51 $221
99283 Emergency department visit with low level of medical decision making 14 13 $74

In context: peer comparison

Among 14 peers in this city , average services per provider: 83. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
269
Patients
248
Total drug cost
$2,239
Drug Type Claims Patients Total cost
Prednisone Generic 54 49 $212
Ondansetron Odt (Ondansetron) Brand 43 43 $280
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 40 39 $166
Cephalexin Generic 36 35 $270
Dicyclomine Hcl Generic 27 26 $207
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 21 21 $507
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 13 $96
Doxycycline Hyclate Generic 11 11 $226
Fluconazole Generic 11 11 $36
Sucralfate Generic 11 0 $239

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Noonan's medical specialty?
Dr. Margaret Noonan practices Emergency Medicine Physician in Waterbury, CT.
Where does Dr. Margaret Noonan practice?
Dr. Margaret Noonan practices at 56 Franklin St, Waterbury, CT 067061253. Office phone: 2037096000.
What is Dr. Margaret Noonan's NPI?
Dr. Margaret Noonan's National Provider Identifier (NPI) is 1154635217, issued by NPPES.
Does Dr. Margaret Noonan accept Medicare assignment?
Yes. Dr. Margaret Noonan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Noonan 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.