Clinicians affiliated with Amsurg Stamford Anesthesia LLC

11 clinicians on file with this group · most practice in Bridgeport-Stamford-Danbury, CT · PAC ID 6305066341

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

11 clinicians affiliated with Amsurg Stamford Anesthesia LLC are in the 2024 Medicare Part B data, 1 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Certified Registered Nurse Anesthetist (CRNA) (10) · Anesthesiology (1)

Specialty links go to the specialty in Bridgeport-Stamford-Danbury, CT.

Clinicians affiliated with Amsurg Stamford Anesthesia LLC, 2024

Alphabetical by last name; 11.

NameSpecialtyCity
Jacob Aftel, MDAnesthesiologySharon, CT
Cleofas Espinoza, CRNACertified Registered Nurse Anesthetist (CRNA)Bridgeport, CT
Gifty JohnCertified Registered Nurse Anesthetist (CRNA)Fairfield, CT
Keisha Johnson, CRNACertified Registered Nurse Anesthetist (CRNA)Bridgeport, CT
Yana Krmic, CRNACertified Registered Nurse Anesthetist (CRNA)Newburgh, NY
Vanessa MixCertified Registered Nurse Anesthetist (CRNA)Bridgeport, CT
Marek Pilecki, CRNACertified Registered Nurse Anesthetist (CRNA)Norwich, CT
Ranji Raju, CRNACertified Registered Nurse Anesthetist (CRNA)White Plains, NY
John A Stellato, CRNACertified Registered Nurse Anesthetist (CRNA)Fishkill, NY
Jill D Torres, CRNACertified Registered Nurse Anesthetist (CRNA)White Plains, NY
Michelle E Zack, CRNA, APRNCertified Registered Nurse Anesthetist (CRNA)Norwalk, CT

Practice locations

Listed practice locations in Connecticut.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations