Eric Liben, MD
Internal Medicine Physician · North Haven, CT
Eric Liben, MD is an internal medicine physician with a practice address in North Haven, Connecticut, and NPI 1336183888, issued on Jun 15, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Eric Liben
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 100 Broadway, North Haven, CT 06473
- Phone
- (203) 234-1891
- Enumerated
- Jun 15, 2006
- Entity
- Type 1 · individual
Also registered at 100 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jane Buckley, APRNPsychiatric/Mental Health Nurse Practitioner1417913740
- Marita Gargiulo, PHD, RD, CDNRegistered Dietitian1326196064
- Gidon Goldenberg, M.D.Internal Medicine Physician1689619041
- Georgia Kelley, M.D.Internal Medicine Physician1013945211
- John Roy, APRNPsychiatric/Mental Health Registered Nurse1457583684
Verify Eric Liben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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
19 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
16 internal medicine physician records list a North Haven practice address
They are 16 of the 539 NPPES records with a North Haven practice address, and 2,830 internal medicine physician records in Connecticut.
All 16 in North Haven → All 2,830 in Connecticut → Every provider in North Haven →
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 Eric Liben, MD's NPI number?
Eric Liben, MD's National Provider Identifier (NPI) is 1336183888, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric Liben, MD located?
The NPPES record lists a practice address at 100 Broadway, North Haven, CT, 06473. Phone: (203) 234-1891. Providers update this record themselves, so call before visiting.
How can I verify Eric Liben, MD's license?
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 Eric Liben, MD prescribe under Medicare Part D?
In 2024, Eric Liben, MD had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
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.