NPPES file of Aug 9, 2026

Masha Kogan, DDS

Dentist · Westport, CT

Masha Kogan, DDS is a dentist with a practice address in Westport, Connecticut, and NPI 1952642274, issued on Mar 12, 2013. Check the license (Connecticut 8491, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952642274
Name
Masha Kogan
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
8491 CT
Self-reported in NPPES; status is on the state search
Practice location
175 Post RD W, Westport, CT 06880
Phone
(203) 227-8700
Enumerated
Mar 12, 2013
Record last updated
Sep 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(203) 227-0680
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.
Download card Updates feed

Verify Masha Kogan 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 8491
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $12.34

1 payment: food and beverage; the largest payer was Align Technology, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Masha Kogan$12.34
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Masha Kogan among 862 dentist records in Connecticut

Masha Kogan, DDS is one of 862 dentist records with a practice address in Connecticut. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.

  • NPI issued2013 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Connecticut

There are 862 dentist records in Connecticut.

The 8 dentist records with the nearest ZIP codes

  1. Sasha Drexler, DDSWestport, CT 068801508241084
  2. Henry Grzyb, DMDWestport, CT 068801497961411
  3. Jeremiah Keefe, DMDWestport, CT 068801740396837
  4. Alexander Mantel, DMDWestport, CT 068801619016102
  5. Mark Roisman, D.M.D.Westport, CT 068801003947425
  6. Shelby Schwartz, DDSWestport, CT 068801932831245
  7. Ronald Silverman, DR DDSWestport, CT 068801649495177
  8. Hochan Hwang, DDSRiverside, CT 068781104348960

Common questions

What is Masha Kogan, DDS's NPI number?

Masha Kogan, DDS's National Provider Identifier (NPI) is 1952642274, issued on Mar 12, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Masha Kogan, DDS located?

The NPPES record lists a practice address at 175 Post RD W, Westport, CT, 06880. Phone: (203) 227-8700. Providers update this record themselves, so call before visiting.

How can I verify Masha Kogan, DDS's license?

NPPES lists Connecticut license number 8491, 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. Medicare files from data.cms.gov. 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.