DR JOHN A DUGGAN INC
NPI 1265507826
Optometrist in Chelmsford, MA

Q: What is Dr John A Duggan Inc's NPI number?

The NPI number for Dr John A Duggan Inc is 1265507826. It was assigned to this organization in the NPPES registry on November 21, 2006.

Q: What is Dr John A Duggan Inc's specialty?

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

Active since November 21, 2006

3 COURTHOUSE LN, UNIT 1, CHELMSFORD, MA 01824(978) 453-3541(978) 458-3598 Get Directions Write a Review

NPPES record last updated: December 7, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr John A Duggan Inc NPPES

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

DR JOHN A DUGGAN INC (NPI 1265507826) is a healthcare organization registered as an optometrist in Chelmsford, Massachusetts and active in the NPI registry since November 2006. The organization lists John Andrew Duggan, President, as its authorized official.

NPPES Registry Identity

NPI1265507826

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameDR JOHN A DUGGAN INC

Location Address3 COURTHOUSE LN, UNIT 1Chelmsford, MA 01824

Mailing Address3 Courthouse Ln, Unit 1Chelmsford, MA 01824 · (978) 453-3541 · Fax (978) 458-3598

Phone(978) 453-3541

Fax(978) 458-3598

Organization SubpartNo

Authorized OfficialJohn Andrew DugganPresident · (978) 453-3541

Enumeration DateNovember 21, 2006

Last NPPES UpdateDecember 7, 2009

✔ NPI 1265507826 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 MA · 2186

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.

3 COURTHOUSE LN, Chelmsford, MA 01824

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Other Identifiers 5

Medicare UPIN43439758MA

Medicare UPINU06040

Medicaid9709959MA

Medicaid0304603MA

Medicare PIN41465801MA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAVANNAH FYFE

Counselor

3 COURTHOUSE LN
CHELMSFORD, MA 01824

Middlesex County (978) 710-7569

MR. KASIRYE SEGWANYI MA

Counselor

3 COURTHOUSE LN, SUITE 3
CHELMSFORD, MA 01824

Middlesex County (978) 256-1444

CHELMSFORD DENTAL CARE LLC

Clinic/Center (Dental)

3 COURTHOUSE LN
CHELMSFORD, MA 01824

Middlesex County (978) 970-2089

DR. ELYSE SUTTON LEMAIRE PH.D.

Psychologist (Clinical)

3 COURTHOUSE LN
CHELMSFORD, MA 01824

Middlesex County (978) 256-1444

SEVEN HILLS BEHAVIORAL HEALTH

Community/Behavioral Health

3 COURTHOUSE LN, SUITE 3A
CHELMSFORD, MA 01824

Middlesex County (978) 256-1444

RICARDO DANCEL MD

Psychiatry & Neurology (Psychiatry)

3 COURTHOUSE LN, SUITE 3 SEVEN HILLS BEHAVIORAL HEALTH
CHELMSFORD, MA 01824

Middlesex County (978) 256-1444

KATHLEEN ANN DOYLE RN, C

Counselor (Mental Health)

3 COURTHOUSE LN
CHELMSFORD, MA 01824

Middlesex County (978) 256-1444

WILLIAM J. LEWIS, DDS, INC.

Dentist (General Practice)

3 COURTHOUSE LN
CHELMSFORD, MA 01824

Middlesex County (978) 256-3909

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 Dr John A Duggan Inc's NPI number?

The NPI number for Dr John A Duggan Inc is 1265507826. It was assigned to this organization in the NPPES registry on November 21, 2006.

Where is Dr John A Duggan Inc located?

Dr John A Duggan Inc is located at 3 Courthouse Ln Unit 1, Chelmsford, MA 01824. The listed phone number is (978) 453-3541.

What is Dr John A Duggan Inc's specialty?

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

When was this NPI record last updated?

The NPPES record for Dr John A Duggan Inc was last updated on December 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.