Triston Wihelm Gabriel Berger, MD
Student in an Organized Health Care Education/Training Program · Norwalk, CT
Triston Wihelm Gabriel Berger, MD is a student in an organized health care education/training program with a practice address in Norwalk, Connecticut, and NPI 1124657515, issued on Apr 7, 2020. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Triston Wihelm Gabriel Berger
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- Norwalk Hospital, Norwalk, CT 06856
- Phone
- (203) 852-2025
- Enumerated
- Apr 7, 2020
- Record last updated
- Aug 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (203) 899-5224
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 5,184 in Connecticut → Look up another NPI →
Also registered at Norwalk Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nana Addo, M.DHospitalist Physician1538789052
- Amit Jatana, MDStudent in an Organized Health Care Education/Training Program1295354967
- Giselle VolneyStudent in an Organized Health Care Education/Training Program1982267498
- Thomas Woods, PA-CPhysician Assistant1851456461
Verify Triston Wihelm Gabriel Berger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
20 Medicare Part D claims for 12 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Triston Wihelm Gabriel Berger among 5,184 student in an organized health care education/training program records in Connecticut
Triston Wihelm Gabriel Berger, MD is one of 5,184 student in an organized health care education/training program records with a practice address in Connecticut. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 22% of them.
- NPI issued2020 · 22% of these records are older, 73% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2020 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
102 student in an organized health care education/training program records list a practice address in Norwalk
They are 102 of the 1,993 NPPES records with a practice address in Norwalk, and 5,184 student in an organized health care education/training program records in Connecticut.
All 5,184 in Connecticut → Every provider in Norwalk → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Amit Jatana, MDNorwalk, CT 068561295354967
- Jaime LeahyNorwalk, CT 068561508249335
- Muhsina Moushumi, MDNowalk, CT 068561184243958
- Giselle VolneyNorwalk, CT 068561982267498
- Kassandra ScottNorwalk, CT 068541750235461
- Nicolas SilvaNorwalk, CT 068541710809116
- Jordana Zwerling, MANorwalk, CT 068541013701309
- Cristal BruceNorwalk, CT 068511366245961
Common questions
What is Triston Wihelm Gabriel Berger, MD's NPI number?
Triston Wihelm Gabriel Berger, MD's National Provider Identifier (NPI) is 1124657515, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Triston Wihelm Gabriel Berger, MD located?
The NPPES record lists a practice address at Norwalk Hospital, Norwalk, CT, 06856. Phone: (203) 852-2025. Providers update this record themselves, so call before visiting.
How can I verify Triston Wihelm Gabriel Berger, MD's license?
Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Triston Wihelm Gabriel Berger, MD prescribe under Medicare Part D?
In 2024, Triston Wihelm Gabriel Berger, MD had 20 Medicare Part D claims for 12 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.