Stephen D. Rossner, M.D.
Internal Medicine Physician · Waterbury, CT
Stephen D. Rossner, M.D. is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1144250739, issued on Jul 3, 2006. Check the license (Connecticut 028019, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stephen D. Rossner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 028019 CT
Self-reported in NPPES; status is on the state search - Practice location
- 80 Phoenix Ave 201, Waterbury, CT 06702
- Phone
- (203) 756-8021
- Enumerated
- Jul 3, 2006
- Record last updated
- Aug 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (203) 596-9038
- Medicaid ID
- 1280197 CT
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Verify Stephen D. Rossner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
40 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 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.
Stephen D. Rossner among 2,623 internal medicine physician records in Connecticut
Stephen D. Rossner, M.D. 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 fileNo · 63% of these records are
- Record last updated2015 · 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
- Florymar Alvarez, MDWaterbury, CT 067021811419377
- Edgar Catala, MDWaterbury, CT 067021053369819
- Sunil D'Cunha, MDWaterbury, CT 067021396746160
- Elie Helou, MDWaterbury, CT 067021912252115
- Zife Krosi, MDWaterbury, CT 067021881695070
- Tess Lombard, MDWaterbury, CT 067021710999198
- Rex Mahnensmith, M.D.Waterbury, CT 067021760466528
- Akua Sam, MDWaterbury, CT 067021568454635
Common questions
What is Stephen D. Rossner, M.D.'s NPI number?
Stephen D. Rossner, M.D.'s National Provider Identifier (NPI) is 1144250739, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen D. Rossner, M.D. located?
The NPPES record lists a practice address at 80 Phoenix Ave 201, Waterbury, CT, 06702. Phone: (203) 756-8021. Providers update this record themselves, so call before visiting.
How can I verify Stephen D. Rossner, M.D.'s license?
NPPES lists Connecticut license number 028019, 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 Stephen D. Rossner, M.D. prescribe under Medicare Part D?
In 2024, Stephen D. Rossner, M.D. had 40 Medicare Part D claims; 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.