Registry data as of Aug 27, 2026

Richard Greenberg, D.D.S.

Dentist · Cos Cob, CT

Richard Greenberg, D.D.S. is a dentist with a practice address in Cos Cob, Connecticut, and NPI 1780805036, issued on May 2, 2007. Check the license (Connecticut 4096, 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.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1780805036
Name
Richard Greenberg
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
4096 CT
Self-reported in NPPES; status is on the state search
Practice location
211 A East Putnam Avenue, Cos Cob, CT 06807
Phone
(203) 869-2884
Enumerated
May 2, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Richard Greenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 4096
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

7 dentist records list a Cos Cob practice address

They are 7 of the 125 NPPES records with a Cos Cob practice address, and 925 dentist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other dentist records in Connecticut

  1. Lauren Aber, DMDMeriden, CT1083264998
  2. Alan Abrams, D.D.SNorwalk, CT1265641450
  3. Cailyn Abramson, D.M.D.Burlington, CT1437303831
  4. Laura Acuna- Vinluan, DDSStamford, CT1336775501
  5. Theodore Adamidis, DMDNewington, CT1396877981
  6. Tatiana Agababaeva, DMDBridgeport, CT1730530577
  7. Bobby Ahmadi, DMDDarien, CT1598334724
  8. Sumona Akter Eity, DMDHartford, CT1639868904
  9. Ahmad Alabbadi, DMDWindsor, CT1356788871
  10. Dina Albano, D.M.D.Waterbury, CT1235264920

Common questions

What is Richard Greenberg, D.D.S.'s NPI number?

Richard Greenberg, D.D.S.'s National Provider Identifier (NPI) is 1780805036, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Richard Greenberg, D.D.S. located?

The NPPES record lists a practice address at 211 A East Putnam Avenue, Cos Cob, CT, 06807. Phone: (203) 869-2884. Providers update this record themselves, so call before visiting.

How can I verify Richard Greenberg, D.D.S.'s license?

NPPES lists Connecticut license number 4096, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.