Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Margaret A Marcone, O.D.
Optometrist in Danbury, CT · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427056969
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Registry record
Entity type Individual (Type 1)
Name Dr. Margaret A Marcone
Credential O.D.
Sex Female
Practice address 69 Sand Pit Rd, Suite 101, Danbury, CT, 06810
Phone (203) 791-2020
Fax (203) 778-6238
Enumeration date Jul 8, 2005
Last updated in NPPES Feb 9, 2021
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 004166220 | Medicaid | CT | - |
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.
Frequently asked questions
Where does Margaret Marcone practice?
The practice location on file with NPPES is in Danbury, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Margaret Marcone?
The National Provider Identifier (NPI) for Margaret Marcone is 1427056969, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Neil Culligan Neurology Physician · Danbury, CT NPI 1649275611 Jan Mashman Neurology Physician · Danbury, CT NPI 1639174618 Samuel Markind Neurology Physician · Danbury, CT NPI 1427053404 Diane Wirz Neurology Physician · Danbury, CT NPI 1922003805 John Murphy Neuromusculoskeletal Medicine & OMM Physician · Danbury, CT NPI 1508861279 David Greco Neurology Physician · Danbury, CT NPI 1740285204 Ralph Falkenstein Ophthalmology Physician · Danbury, CT NPI 1730187485 Bruce Altman Glaucoma Specialist (Ophthalmology) Physician · Danbury, CT NPI 1336147784
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-09.