Doctor profile · Federal record

Dr. William Fitzgerald, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Bridgeport, CT

  • NPI 1356485999
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3180 Main St, Suite 201
Bridgeport, CT 066064237
(203) 371-5400

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
June 12, 2009
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Connecticut #027535

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356485999. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
695
Distinct HCPCS
10
Medicare allowed
$86,080
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 229 65 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 174 88 $136
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 119 29 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 80 66 $182
99213 Established patient office or other outpatient visit, 20-29 minutes 30 24 $96
94060 Test to measure expiratory airflow and volume changes before and after medication administration 13 13 $42
94726 Test to determine lung volumes using sensors 13 13 $60
94729 Test to examine how well the lungs exchange gases 13 13 $62
99215 Established patient office or other outpatient visit, 40-54 minutes 13 11 $190
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $177

In context: peer comparison

Among 4 peers in Bridgeport Critical Care Medicine (Internal Medicine) Physician, average services per provider: 56. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Baxter Healthcare 3 $52.69

By nature of payment

Food and Beverage
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,340
Patients
348
Total drug cost
$229,105
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 178 47 $5,268
Amlodipine Besylate Generic 159 44 $1,774
Atorvastatin Calcium Generic 148 42 $2,111
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 95 17 $99,203
Hydrochlorothiazide Generic 88 28 $298
Breo Ellipta (Fluticasone/Vilanterol) Brand 85 14 $36,127
Symbicort (Budesonide/Formoterol Fumarate) Brand 84 17 $52,999
Losartan Potassium Generic 75 21 $1,268
Metoprolol Succinate Generic 71 24 $1,502
Metformin Hcl Generic 68 19 $347

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fitzgerald's medical specialty?
Dr. William Fitzgerald practices Critical Care Medicine (Internal Medicine) Physician in Bridgeport, CT.
Where does Dr. William Fitzgerald practice?
Dr. William Fitzgerald practices at 3180 Main St, Bridgeport, CT 066064237. Office phone: 2033715400.
What is Dr. William Fitzgerald's NPI?
Dr. William Fitzgerald's National Provider Identifier (NPI) is 1356485999, issued by NPPES.
Does Dr. William Fitzgerald accept Medicare assignment?
Yes. Dr. William Fitzgerald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fitzgerald commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.