Physician Profile
Gregory J. Bombassei, MD is a healthcare provider in Avon, CT specializing in endocrinology, diabetes & metabolism. Gregory trained at University of Connecticut School of Medicine, graduating in 1988. According to Medicare claims data, Gregory cared for 658 Medicare patients across 1,259 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, blood glucose (sugar) test performed by hand-held instrument, and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
44 DALE RD STE 201
Avon, CT 06001
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Adrenal
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Diabetes
Endocrine tumors
Hormone disorders
Hormones
Metabolic disorders
Metabolism
Parathyroid
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched procedures
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
Diabetes education
Diabetes preventive care
Genetic evaluations
Hormone treatments
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Thyroid
Thyroid procedures
Weight & Metabolism
1,259 services · 658 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
14 | Less often than most peers in Endocrinology, Diabetes &… |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
51 | As often as other peers in Endocrinology, Diabetes &… |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
129 | More often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
507 | More often than most peers in Endocrinology, Diabetes &… |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
436 | More often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
109 | More often than most peers in Endocrinology, Diabetes &… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 | Less often than most peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Bombassei is an endocrinologist in Avon, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Dr. Bombassei is listed at 44 Dale Rd Ste 201, Avon, CT 06001. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (860) 679-0234. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Bombassei's National Provider Identifier is 1962582718. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Bombassei attended University of Connecticut School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Dr. Bombassei has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Bombassei performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth; reads or performs imaging such as ultrasound scan of head and neck soft tissue; provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bombassei. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.