NPPES file of Aug 9, 2026

Gregory Fiasconaro, M.D

Anesthesiology Physician · Waterbury, CT

Gregory Fiasconaro, M.D is an anesthesiology physician with a practice address in Waterbury, Connecticut, and NPI 1972559201, issued on May 26, 2006. Check the license (Connecticut 032877, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972559201
Name
Gregory Fiasconaro
Credential
M.D
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
032877 CT
Self-reported in NPPES; status is on the state search
Practice location
140 Grandview Ave, Waterbury, CT 06708
Phone
(203) 757-7000
Enumerated
May 26, 2006
Record last updated
Jul 13, 2026
Fax
(203) 591-1473
Medicare enrollment
Enrolled (PECOS I20091116000018); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 140 Grandview Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Louis Alosco, M.DAnesthesiology Physician1174570246
  2. Angela AndersonCertified Registered Nurse Anesthetist1568554277
  3. Lydia Aoun-Barakat, MDInfectious Disease Physician1033183355
  4. Girvice Archer, M.DAnesthesiology Physician1023058724
  5. Steven Aronin, MDInfectious Disease Physician1164495875
  6. Elisa Benzoni, DOObstetrics & Gynecology Physician1679581847

Verify Gregory Fiasconaro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 032877
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Anesthesiologists OF Middletown, P.C.Middletown, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Fiasconaro among 797 anesthesiology physician records in Connecticut

Gregory Fiasconaro, M.D is one of 797 anesthesiology physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 54% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1989 · median 2006 among the 550 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 anesthesiology physician records list a practice address in Waterbury

They are 32 of the 3,148 NPPES records with a practice address in Waterbury, and 797 anesthesiology physician records in Connecticut.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Louis Alosco, M.DWaterbury, CT 067081174570246
  2. Girvice Archer, M.DWaterbury, CT 067081023058724
  3. Christopher Bottino, M.DWaterbury, CT 067081144260290
  4. Raymond Clement, M.DWaterbury, CT 067081114974078
  5. John Dieck, D.O.Waterbury, CT 067081205899226
  6. Salvatore Ferrante, M.DWaterbury, CT 067081720028715
  7. Paul Heller, M.D.Waterbury, CT 067081811970387
  8. Juliana Kang, M.DWaterbury, CT 067081982651873

Common questions

What is Gregory Fiasconaro, M.D's NPI number?

Gregory Fiasconaro, M.D's National Provider Identifier (NPI) is 1972559201, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Fiasconaro, M.D located?

The NPPES record lists a practice address at 140 Grandview Ave, Waterbury, CT, 06708. Phone: (203) 757-7000. Providers update this record themselves, so call before visiting.

How can I verify Gregory Fiasconaro, M.D's license?

NPPES lists Connecticut license number 032877, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.