Jeffrey Dreznick, M.D.
Internal Medicine Physician · Ansonia, CT
Jeffrey Dreznick, M.D. is an internal medicine physician with a practice address in Ansonia, Connecticut, and NPI 1902895436, issued on Oct 18, 2005. Check the license (Connecticut 028004, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Dreznick
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 028004 CT
Self-reported in NPPES; status is on the state search - Practice location
- 22 Westfield Ave, Ansonia, CT 06401
- Phone
- (203) 736-9919
- Enumerated
- Oct 18, 2005
- Entity
- Type 1 · individual
Also registered at 22 Westfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruce Brennan, MDInternal Medicine Physician1013927797
- Jennifer Dodge, PA-CPhysician Assistant1558402230
- Roy Kalman, M.D.Gynecology Physician1053335299
- Deborah Levenson, M.D.Gastroenterology Physician1952406688
- Michael Lipcan, MDGastroenterology Physician1770624447
- Ashish Malhotra, MDGastroenterology Physician1750589883
Verify Jeffrey Dreznick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028004Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
51% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,373 Medicare Part D claims for 435 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Famotidine290 claims
- Pantoprazole Sodium183 claims
- Ondansetron Hcl155 claims
- Sod Sulf-Potass Sulf-Mag Sulf127 claims
- Omeprazole72 claims
- Gavilyte-G70 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.
The Medicare quality score for 2023: 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $504.31
21 payments, mostly food and beverage; the largest payer was Janssen Biotech, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Griffin Faculty Physicians IncAnsonia, CT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
13 internal medicine physician records list a Ansonia practice address
They are 13 of the 203 NPPES records with a Ansonia practice address, and 2,830 internal medicine physician records in Connecticut.
All 13 in Ansonia → All 2,830 in Connecticut → Every provider in Ansonia →
Other internal medicine physician records in Connecticut
- Christina AbavanaBridgeport, CT1508206574
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Mahmoud Abdelrahman, MDBridgeport, CT1467072868
- Simon Abi-SalehBridgeport, CT1891315529
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Nila Aburto, MDStamford, CT1396325718
- Angelo Accomando, M.D.East Haven, CT1063454247
Common questions
What is Jeffrey Dreznick, M.D.'s NPI number?
Jeffrey Dreznick, M.D.'s National Provider Identifier (NPI) is 1902895436, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Dreznick, M.D. located?
The NPPES record lists a practice address at 22 Westfield Ave, Ansonia, CT, 06401. Phone: (203) 736-9919. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Dreznick, M.D.'s license?
NPPES lists Connecticut license number 028004, 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 Jeffrey Dreznick, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Dreznick, M.D. had 1,373 Medicare Part D claims for 435 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Jeffrey Dreznick, M.D.'s Medicare quality score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.