Joel Blumberg, M.D.
Specialist · Greenwich, CT
Joel Blumberg, M.D. is a specialist with a practice address in Greenwich, Connecticut, and NPI 1699718114, issued on Jun 13, 2006. Check the license (Connecticut 015975, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joel Blumberg
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 015975 CT
Self-reported in NPPES; status is on the state search - Practice location
- 55 Holly Hill LN, Greenwich, CT 06830
- Phone
- (203) 661-4242
- Enumerated
- Jun 13, 2006
- Entity
- Type 1 · individual
Also registered at 55 Holly Hill LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Berlin, PH.D.Psychologist1720650211
- Leonid Bilenkin, PHYSICIAN ASSISTANTMedical Physician Assistant1083780795
- Erica Christ, RDRegistered Dietitian1922166438
- Amanda Constant, R.D.Registered Dietitian1770987117
- Alexander Delvecchio, M.D.Clinical Cardiac Electrophysiology Physician1053321950
- Maryfrances Desteno, APRNNurse Practitioner1922374354
Verify Joel Blumberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 015975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
46 Medicare Part D claims, against an average of 1,524 among the 12,477 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.
23 specialist records list a Greenwich practice address
They are 23 of the 1,184 NPPES records with a Greenwich practice address, and 519 specialist records in Connecticut.
All 23 in Greenwich → All 519 in Connecticut → Every provider in Greenwich →
Other specialist records in Connecticut
- Jay Abbott, M.D.Litchfield, CT1083658629
- Karen Abrams, M.D.Westport, CT1174728604
- Micheal Acocella, B.S., P.T.Greenwich, CT1992768303
- Diana Adams, M.D.Greenwich, CT1255300653
- Zosimo Adefuin, MDBridgeport, CT1598763252
- Ricki Ainbinder, LMTStamford, CT1609026525
- Patrick Albergo, M.D.West Hartford, CT1407878754
- Richard Allen, M.D.Meriden, CT1932115128
- Sarah Allen, M.D.Bridgeport, CT1376854141
- William Allen, M.D.New Haven, CT1659369361
Common questions
What is Joel Blumberg, M.D.'s NPI number?
Joel Blumberg, M.D.'s National Provider Identifier (NPI) is 1699718114, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joel Blumberg, M.D. located?
The NPPES record lists a practice address at 55 Holly Hill LN, Greenwich, CT, 06830. Phone: (203) 661-4242. Providers update this record themselves, so call before visiting.
How can I verify Joel Blumberg, M.D.'s license?
NPPES lists Connecticut license number 015975, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Joel Blumberg, M.D. prescribe under Medicare Part D?
In 2024, Joel Blumberg, M.D. had 46 Medicare Part D claims; the average among specialist prescribers was 1,524. 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.