Alvin Donald Greenberg, M.D.
Specialist · Guilford, CT
Alvin Donald Greenberg, M.D. is a specialist with a practice address in Guilford, Connecticut, and NPI 1386836849, issued on Aug 17, 2007. Check the license (Connecticut 011927, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alvin Donald Greenberg
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 011927 CT
Self-reported in NPPES; status is on the state search - Practice location
- 111 Goose LN, Guilford, CT 06437
- Phone
- (203) 453-0099
- Enumerated
- Aug 17, 2007
- Record last updated
- Aug 17, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 453-0624
- Entity
- Type 1 · individual
Also registered at 111 Goose LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jody Heffernan, NPAdult Health Nurse Practitioner1043305402
Verify Alvin Donald Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 011927Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Specialist providers in Connecticut
There are 397 specialist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- 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
- Donna Alves, LCCC, LPCFairfield, CT1932594777
Common questions
What is Alvin Donald Greenberg, M.D.'s NPI number?
Alvin Donald Greenberg, M.D.'s National Provider Identifier (NPI) is 1386836849, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alvin Donald Greenberg, M.D. located?
The NPPES record lists a practice address at 111 Goose LN, Guilford, CT, 06437. Phone: (203) 453-0099. Providers update this record themselves, so call before visiting.
How can I verify Alvin Donald Greenberg, M.D.'s license?
NPPES lists Connecticut license number 011927, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity 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. 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.