Gerald A. Valletta, MD
Internal Medicine Physician · Waterbury, CT
Gerald A. Valletta, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1417991688, issued on Jun 16, 2006. Check the license (Connecticut 035043, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gerald A. Valletta
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 035043 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2247 East Main Street, Waterbury, CT 06705
- Phone
- (203) 757-3486
- Enumerated
- Jun 16, 2006
- Record last updated
- Aug 21, 2025
- Fax
- (206) 757-3723
- Medicaid ID
- 001350438 CT
- Medicare enrollment
- Enrolled (PECOS I20241030004231); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 2247 East Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philip Mongelluzzo, M.D.Internal Medicine Physician1871563247
Verify Gerald A. Valletta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 035043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average internal medicine physician in 2024
4,812 Medicare Part D claims for 218 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Atorvastatin Calcium350 claims
- Amlodipine Besylate246 claims
- Metoprolol Succinate195 claims
- Levothyroxine Sodium187 claims
- Escitalopram Oxalate170 claims
- Donepezil Hcl166 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
- Reliant Housecalls, PLLCVernon, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerald A. Valletta among 2,623 internal medicine physician records in Connecticut
Gerald A. Valletta, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 1,646 with a school on file
- Record last updated2025 · 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 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 internal medicine physician records list a practice address in Waterbury
They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Waterbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Edmund Caporaso, MDWaterbury, CT 067051285623538
- Kanagaratnam Jegathesan, MDWaterbury, CT 067051497859409
- Kanthimathi Jegathesan, MDWaterbury, CT 067051023112034
- Diane Kim, MDWaterbury, CT 067051598150716
- Vidya Loganathan, M.D.Waterbury, CT 067051780782953
- Philip Mongelluzzo, M.D.Waterbury, CT 067051871563247
- Edmund Quinn, MDWaterbury, CT 067051306851720
- Donald Rosenthal, MDWaterbury, CT 067051063435170
Common questions
What is Gerald A. Valletta, MD's NPI number?
Gerald A. Valletta, MD's National Provider Identifier (NPI) is 1417991688, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald A. Valletta, MD located?
The NPPES record lists a practice address at 2247 East Main Street, Waterbury, CT, 06705. Phone: (203) 757-3486. Providers update this record themselves, so call before visiting.
How can I verify Gerald A. Valletta, MD's license?
NPPES lists Connecticut license number 035043, 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 Gerald A. Valletta, MD prescribe under Medicare Part D?
In 2024, Gerald A. Valletta, MD had 4,812 Medicare Part D claims for 218 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.