CRAIG L. NIELSEN, O.D.
NPI 1861691685
Optometrist in Meriden, CT

Q: What is Craig L. Nielsen, O.D.'s NPI number?

The NPI number for Craig L. Nielsen, O.D. is 1861691685. It was assigned to this organization in the NPPES registry on July 12, 2007.

Q: What is Craig L. Nielsen, O.D.'s specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Active since July 12, 2007

105 BROAD ST, MERIDEN, CT 06450(203) 235-9519(203) 237-3819 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Craig L. Nielsen, O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CRAIG L. NIELSEN, O.D. (NPI 1861691685) is a healthcare organization registered as an optometrist in Meriden, Connecticut and active in the NPI registry since July 2007. The organization lists Craig Lawrence Nielsen, Owner, as its authorized official.

NPPES Registry Identity

NPI1861691685

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameCRAIG L. NIELSEN, O.D.

Location Address105 BROAD STMeriden, CT 06450-6516

Mailing Address105 Broad StMeriden, CT 06450-6516 · (203) 235-9519 · Fax (203) 379-0289

Phone(203) 235-9519

Fax(203) 237-3819

Organization SubpartNo

Authorized OfficialCraig Lawrence NielsenOwner · (203) 235-9519

Enumeration DateJuly 12, 2007

Last NPPES UpdateMay 5, 2026

NPPES CertifiedMay 5, 2026

✔ NPI 1861691685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CT · 002189

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

105 BROAD ST, Meriden, CT 06450

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Other Identifiers 1

Medicaid004086650CT

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Craig L. Nielsen, O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Craig L. Nielsen, O.D., which bills Medicare for the services this clinician delivers.

Clinician (1)

Craig Nielsen, O.D.

Optometry

NPI 1558349738

105 BROAD ST
Meriden, CT 06450

(203) 235-9519

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Craig L. Nielsen, O.D.'s NPI number?

The NPI number for Craig L. Nielsen, O.D. is 1861691685. It was assigned to this organization in the NPPES registry on July 12, 2007.

Where is Craig L. Nielsen, O.D. located?

Craig L. Nielsen, O.D. is located at 105 Broad St, Meriden, CT 06450. The listed phone number is (203) 235-9519.

What is Craig L. Nielsen, O.D.'s specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Craig L. Nielsen, O.D. enrolled in Medicare?

Yes. Craig L. Nielsen, O.D. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Craig L. Nielsen, O.D.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Craig L. Nielsen, O.D.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Craig L. Nielsen, O.D. was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.