Gregory Gerard Decandia, MD
Family Medicine Physician · Southbury, CT
Gregory Gerard Decandia, MD is a family medicine physician with a practice address in Southbury, Connecticut, and NPI 1003890641, issued on Dec 6, 2005. Check the license (Connecticut 029717, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Gerard Decandia
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 029717 CT
76773 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1461 South Britain Road, Southbury, CT 06488
- Phone
- (203) 586-2000
- Enumerated
- Dec 6, 2005
- Record last updated
- Mar 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 3128075 MA
- Medicare enrollment
- Enrolled (PECOS I20150128001291); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 958 in Connecticut → Look up another NPI →
Also registered at 1461 South Britain Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Winn, PA-CMedical Physician Assistant1265658298
Verify Gregory Gerard Decandia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 029717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family medicine physician in 2024
3,908 Medicare Part D claims for 164 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium316 claims
- Eliquis186 claims
- Amlodipine Besylate132 claims
- Escitalopram Oxalate131 claims
- Furosemide120 claims
- Tamsulosin Hcl119 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.
Bills Medicare through one group practice
- State OF ConnecticutBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Gerard Decandia among 958 family medicine physician records in Connecticut
Gregory Gerard Decandia, MD is one of 958 family medicine physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1986 · median 2009 among the 611 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Southbury
They are 7 of the 520 NPPES records with a practice address in Southbury, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Southbury → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marianne Bette, MD EAAFPSouthbury, CT 064881144266495
- Robert Carr, M.D.Southbury, CT 064881538196795
- Raafat Gorgy, DOSouthbury, CT 064881700137734
- Agata Jaskiewicz-Poznanska, M.D.Southbury, CT 064881114148558
- Andrew Rubman, N.D.Southbury, CT 064881538280128
- Kornelia Thomas, MDSouthbury, CT 064881134500051
- Timothy Chapados, DOSouthington, CT 064891295112761
- Jessica Mason, DOSouthington, CT 064891134619414
Common questions
What is Gregory Gerard Decandia, MD's NPI number?
Gregory Gerard Decandia, MD's National Provider Identifier (NPI) is 1003890641, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Gerard Decandia, MD located?
The NPPES record lists a practice address at 1461 South Britain Road, Southbury, CT, 06488. Phone: (203) 586-2000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Gerard Decandia, MD's license?
NPPES lists Connecticut license number 029717, 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 Gerard Decandia, MD prescribe under Medicare Part D?
In 2024, Gregory Gerard Decandia, MD had 3,908 Medicare Part D claims for 164 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.