George V. Tsimoyianis, M.D.
Pediatric Adolescent Medicine Physician · Darien, CT
George V. Tsimoyianis, M.D. is a pediatric adolescent medicine physician with a practice address in Darien, Connecticut, and NPI 1265519599, issued on Nov 1, 2006. Check the license (Connecticut 027977, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- George V. Tsimoyianis
- Credential
- M.D.
- Primary taxonomy
- Pediatric Adolescent Medicine Physician 2080A0000X
- License number
- 027977 CT
Self-reported in NPPES; status is on the state search - Practice location
- 106 Noroton Ave, Darien, CT 06820
- Phone
- (203) 655-9741
- Enumerated
- Nov 1, 2006
- Record last updated
- Oct 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 655-9249
- Entity
- Type 1 · individual
8 nearest pediatric adolescent medicine physician records → All 79 in Connecticut → Look up another NPI →
Also registered at 106 Noroton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Bader, MDPediatrics Physician1942601240
- Denis Bouboulis, MDAllergy & Immunology Physician1619035417
- John Dubaz, M.D.Pediatrics Physician1437247350
- Paul Gallo, DDADentist1053536672
- Ketevan Kiguradze, DDSPediatric Dentistry1588803407
- Joseph Miceli, DDSDentist1558586164
Verify George V. Tsimoyianis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 027977Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average pediatric adolescent medicine physician in 2024
49 Medicare Part D claims, against an average of 148 among the 384 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin11 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.
Industry payments in 2024: $242.14
8 payments; by number, the most common kind was food and beverage; the largest payer was Corium, LLC. The 859 providers of this specialty with any payment received $389.79 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.
George V. Tsimoyianis among 79 pediatric adolescent medicine physician records in Connecticut
George V. Tsimoyianis, M.D. is one of 79 pediatric adolescent medicine physician records with a practice address in Connecticut. 46% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 22% newer
- In a Medicare fileYes · 46% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2011 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Adolescent Medicine Physician providers in Connecticut
There are 79 pediatric adolescent medicine physician records in Connecticut.
All 79 in Connecticut → Every provider in Darien → Pediatric Adolescent Medicine Physician nationwide →
The 8 pediatric adolescent medicine physician records with the nearest ZIP codes
- Subhash Chaddha, MDFairfield, CT 068241689742488
- Charles Hemenway, MDFairfield, CT 068241134141559
- Aparna Madisetty, MDDanbury, CT 068101851627335
- Marcie Schneider, M.D.Greenwich, CT 068311497843197
- Karen Dettmer, MDTorrington, CT 067901154363430
- Sophia Grant, MDTorrington, CT 067901972547297
- Timothy Grogean, M.D.Torrington, CT 067901952346942
- Carol Gorman, MDWestport, CT 068801316037450
Common questions
What is George V. Tsimoyianis, M.D.'s NPI number?
George V. Tsimoyianis, M.D.'s National Provider Identifier (NPI) is 1265519599, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George V. Tsimoyianis, M.D. located?
The NPPES record lists a practice address at 106 Noroton Ave, Darien, CT, 06820. Phone: (203) 655-9741. Providers update this record themselves, so call before visiting.
How can I verify George V. Tsimoyianis, M.D.'s license?
NPPES lists Connecticut license number 027977, 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 George V. Tsimoyianis, M.D. prescribe under Medicare Part D?
In 2024, George V. Tsimoyianis, M.D. had 49 Medicare Part D claims; the average among pediatric adolescent medicine physician prescribers was 148. 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.