Gregory Bombassei, MD
Endocrinology, Diabetes & Metabolism Physician · Avon, CT
Gregory Bombassei, MD is an endocrinology, diabetes & metabolism physician with a practice address in Avon, Connecticut, and NPI 1962582718, issued on Oct 16, 2006. Check the license (Connecticut 032434, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Bombassei
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 032434 CT
Self-reported in NPPES; status is on the state search - Practice location
- 44 Dale RD Ste 201, Avon, CT 06001
- Phone
- (860) 679-0234
- Enumerated
- Oct 16, 2006
- Entity
- Type 1 · individual
Verify Gregory Bombassei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 032434Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.5 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
6,958 Medicare Part D claims for 688 beneficiaries, against an average of 2,739 among the 6,176 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Levothyroxine Sodium826 claims
- Jardiance376 claims
- Metformin Hcl370 claims
- Mounjaro357 claims
- Synthroid266 claims
- Lantus Solostar250 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The Medicare quality score for 2023: 91.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $246.51
13 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 4,299 providers of this specialty with any payment received $6,068.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 166 endocrinology, diabetes & metabolism physician records in Connecticut.
Other endocrinology, diabetes & metabolism physician records in Connecticut
- Fadi Al-Khayer, MDStorrs, CT1861477069
- Vivek Alaigh, MDStamford, CT1740675818
- Kenda Alkwatli, MDWethersfield, CT1063075901
- Ipek Alpertunga, MDHartford, CT1386166452
- Helen Anaedo, M.DPlainville, CT1164717021
- Neelum AnwaarNorwalk, CT1336670041
- Mary Arden-Cordone, M.D.,Greenwich, CT1649318585
- Andrew Arnold, MDFarmington, CT1003812520
- Maria Cecilia Asnis, M.D.Stamford, CT1437475688
- Ela Banerjee, MDNew Britain, CT1861856312
Common questions
What is Gregory Bombassei, MD's NPI number?
Gregory Bombassei, MD's National Provider Identifier (NPI) is 1962582718, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Bombassei, MD located?
The NPPES record lists a practice address at 44 Dale RD Ste 201, Avon, CT, 06001. Phone: (860) 679-0234. Providers update this record themselves, so call before visiting.
How can I verify Gregory Bombassei, MD's license?
NPPES lists Connecticut license number 032434, 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.
How much does Gregory Bombassei, MD prescribe under Medicare Part D?
In 2024, Gregory Bombassei, MD had 6,958 Medicare Part D claims for 688 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,739. Part D covers Medicare prescriptions only.
What is Gregory Bombassei, MD's Medicare quality score?
The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.