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GERARD S. O'CONNOR,M.D.
NPI 1992994693
Specialist in Chestertown, MD

Active since October 18, 2007
100 BROWN ST, CHESTERTOWN, MD 21620(410) 778-6303(410) 778-6306 Get Directions Write a Review

NPPES record last updated: June 28, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gerard S. O'connor,m.d. NPPES

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

GERARD S. O'CONNOR,M.D. (NPI 1992994693) is a healthcare organization registered as a specialist in Chestertown, Maryland and active in the NPI registry since October 2007. The organization lists Gerard Stephen O'connor, Sole Proprietor, as its authorized official.

NPPES Registry Identity

NPI1992994693
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameGERARD S. O'CONNOR,M.D.
Location Address100 BROWN STChestertown, MD 21620-1435
Mailing Address100 Brown St Ste 214Chestertown, MD 21620-1435 · (410) 778-6303 · Fax (410) 778-6306
Phone(410) 778-6303
Fax(410) 778-6306
Organization SubpartNo
Authorized OfficialGerard Stephen O'connorSole Proprietor · (410) 778-6303
Enumeration DateOctober 18, 2007
Last NPPES UpdateJune 28, 2019
✔ NPI 1992994693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MD · D0030368
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
100 BROWN ST, Chestertown, MD 21620
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Other Identifiers 3

Other39849601MD · Carefirst Rendering Id
Other507LMD · Medicare Legacy
OtherW2510001DC · Carefirst Rendering Id

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

Other Providers at the Same Location NPPES 20

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

RENAL TREATMENT CENTERS MID ATLANTIC INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 778-9555
DR. MIN YU MD
Pathology (Anatomic Pathology & Clinical Pathology)
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 810-5659
DR. DAVID W. KNUTSON M.D.
Internal Medicine (Nephrology)
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 810-3408
CHESTER RIVER HOSPITAL CENTER
Emergency Medicine
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 778-3300
UNIVERSITY OF MARYLAND DIAGNOSTIC IMAGING SPECIALISTS P A
Radiology (Diagnostic Radiology)
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 328-5700
KERI N. JACOBS MD
Emergency Medicine (Emergency Medical Services)
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 778-7668
PETER W. CLEMENTS RNFA
Registered Nurse (Registered Nurse First Assistant)
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 778-3300
CHESTER RIVER HEALTH CENTER
Clinic/Center
100 BROWN ST
CHESTERTOWN, MD 21620
Kent County (410) 822-1000

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 Gerard S. O'connor,m.D.'s NPI number?

The NPI number for Gerard S. O'connor,m.D. is 1992994693. It was assigned to this organization in the NPPES registry on October 18, 2007.

Where is Gerard S. O'connor,m.D. located?

Gerard S. O'connor,m.D. is located at 100 Brown St, Chestertown, MD 21620. The listed phone number is (410) 778-6303.

What is Gerard S. O'connor,m.D.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Gerard S. O'connor,m.D. was last updated on June 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.