Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Massachusetts Eye Associates, P.C.

Optometrist in Chelmsford, MA · enumerated 2008 · authorized official Dorothy Dikmak, Human Resources Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1922284793

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Registry record

Entity type Organization (Type 2)

Legal business name Massachusetts Eye Associates, P.C.

Practice address 19 Village Sq, Chelmsford, MA, 01824

Phone (978) 256-5600

Fax (978) 703-0250

Enumeration date Jan 11, 2008

Last updated in NPPES Jan 11, 2008

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name Dorothy Dikmak

Title Human Resources Manager

Phone (978) 256-5600

Other identifiers

Identifier	Type	State	Issuer
9721614	Medicaid	MA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Massachusetts Eye Associates, P.C.?

Massachusetts Eye Associates, P.C. is registered in NPPES as a Optometrist (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-11.