Doctor profile · Federal record

Dr. Stephen Gallousis, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · New Canaan, CT

  • NPI 1730196460
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
161 Cherry St
New Canaan, CT 068404827
(203) 276-4282
fax (203) 276-4283

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 10, 2017
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Connecticut #041076

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730196460. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
132
Distinct HCPCS
6
Medicare allowed
$10,671
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 30 30 $43
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 30 30 $47
99213 Established patient office or other outpatient visit, 20-29 minutes 26 21 $97
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 20 17 $104
99214 Established patient office or other outpatient visit, 30-39 minutes 15 15 $137
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $120

In context: peer comparison

Among 1 peers in this city , average services per provider: 22. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$8,235
Drug Type Claims Patients Total cost
Estradiol Generic 13 0 $1,372
Estring (Estradiol) Brand 12 0 $6,805
Fluconazole Generic 11 0 $58

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Gallousis's medical specialty?
Dr. Stephen Gallousis practices Obstetrics & Gynecology Physician in New Canaan, CT.
Where does Dr. Stephen Gallousis practice?
Dr. Stephen Gallousis practices at 161 Cherry St, New Canaan, CT 068404827. Office phone: 2032764282.
What is Dr. Stephen Gallousis's NPI?
Dr. Stephen Gallousis's National Provider Identifier (NPI) is 1730196460, issued by NPPES.
Does Dr. Stephen Gallousis accept Medicare assignment?
Yes. Dr. Stephen Gallousis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Gallousis commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.