Registry data as of Aug 27, 2026

Mark Chasse, OD

Optometrist · Cromwell, CT

Mark Chasse, OD is an optometrist with a practice address in Cromwell, Connecticut, and NPI 1699742429, issued on Mar 1, 2006. Check the license (Connecticut 939, 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
1699742429
Name
Mark Chasse
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
939 CT
2893 MA
Self-reported in NPPES; status is on the state search
Practice location
160 West St, Cromwell, CT 06416
Phone
(860) 635-6149
Enumerated
Mar 1, 2006
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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Also registered at 160 West St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cheryl Archer, M.S. CCC-SLPSpeech-Language Pathologist1851542641
  2. Colleen Demello, LPC, BCBAProfessional Counselor1699081844
  3. Krystl Giordano-PadillaBehavior Analyst1710268396
  4. Edward Hobday, PA-CPhysician Assistant1427062892
  5. Maciek Kolodziejczak, D.C.Chiropractor1285866202
  6. Justine Marsh, SLPSpeech-Language Pathologist1952659690

Verify Mark Chasse 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 939
    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.

10 optometrist records list a Cromwell practice address

They are 10 of the 631 NPPES records with a Cromwell practice address, and 653 optometrist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other optometrist records in Connecticut

  1. Annemarie Abramson, O.D.Waterbury, CT1720194764
  2. Aylin Adem, ODNaugatuck, CT1407514631
  3. George Adrian, O.D.Groton, CT1659337145
  4. Douglas Agranov, O.D.Madison, CT1952364465
  5. Shraiy AgrawalGuilford, CT1194565903
  6. Christopher Agro, O.D.Enfield, CT1912977380
  7. Shefali Ahmadi, ODDarien, CT1730656943
  8. Haajra Ahmed, ODManchester, CT1972164010
  9. Amara Akbar, ODSouthbury, CT1558918144
  10. Janine Albanese, O.D.Wallingford, CT1174964076

Common questions

What is Mark Chasse, OD's NPI number?

Mark Chasse, OD's National Provider Identifier (NPI) is 1699742429, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Chasse, OD located?

The NPPES record lists a practice address at 160 West St, Cromwell, CT, 06416. Phone: (860) 635-6149. Providers update this record themselves, so call before visiting.

How can I verify Mark Chasse, OD's license?

NPPES lists Connecticut license number 939, 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.