DR. GERARD STEPHEN O'CONNOR M.D.
NPI 1609879873
Family Medicine in Chestertown, MD

Active since May 23, 2005PECOS EnrolledAccepts Medicare Assignment
100 BROWN ST, CHESTERTOWN, MD 21620(410) 778-6303(410) 778-6306 Get Directions Write a Review

NPPES record last updated: June 5, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gerard Stephen O'connor M.d. NPPES

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

DR. GERARD STEPHEN O'CONNOR M.D. (NPI 1609879873) is an individual family medicine provider in Chestertown, Maryland, licensed in Maryland (D0030368) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with University Of Md Shore Medical Ctr At Chestertown, and is a graduate of Georgetown University School Of Medicine (1978).

NPPES Registry Identity

NPI1609879873
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GERARD STEPHEN O'CONNORCredential: M.D.
Location Address100 BROWN STChestertown, MD 21620-1435
Mailing Address100 Brown StChestertown, MD 21620-1435 · (410) 778-6303 · Fax (410) 778-6306
Fax(410) 778-6306
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 1978
Enumeration DateMay 23, 2005
Last NPPES UpdateJune 5, 2023
NPPES CertifiedJune 5, 2023
NPI 1609879873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MD · D0030368
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedSpecialistTaxonomy 174400000X · License D0030368 (MD)
100 BROWN ST, Chestertown, MD 21620

Other Identifiers 4

OtherKBH8MD · Md Blue Cross Group #
OtherW251DC · Carefirst Group #
Medicaid390710400MD
Other39849601MD · Blue Cross Rendering #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gerard Stephen O'connor M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214019082
PECOS Enrollment IDI20090527000305
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
95 services95 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
91 services83 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
70 services65 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 services50 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
42 services40 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
41 services38 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of MD Shore Medical Ctr At Chestertown

Acute Care Hospitals · Chestertown, MD
OwnershipVoluntary non-profit - Private
CMS Certification Number210030
Location100 Brown StreetChestertown, MD 21620 · Kent County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21620 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
100 BROWN ST
CHESTERTOWN, MD 21620
Pathology (Anatomic Pathology & Clinical Pathology)
100 BROWN ST
CHESTERTOWN, MD 21620
Internal Medicine (Nephrology)
100 BROWN ST
CHESTERTOWN, MD 21620
Emergency Medicine
100 BROWN ST
CHESTERTOWN, MD 21620
Radiology (Diagnostic Radiology)
100 BROWN ST
CHESTERTOWN, MD 21620
Emergency Medicine (Emergency Medical Services)
100 BROWN ST
CHESTERTOWN, MD 21620
Registered Nurse (Registered Nurse First Assistant)
100 BROWN ST
CHESTERTOWN, MD 21620
Clinic/Center
100 BROWN ST
CHESTERTOWN, MD 21620

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 O'connor's NPI number?

The NPI number for Gerard O'connor is 1609879873. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Gerard O'connor located?

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

What is Gerard O'connor's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gerard O'connor enrolled in Medicare?

Yes. Gerard O'connor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Gerard O'connor affiliated with any hospitals?

According to CMS data, Gerard O'connor is affiliated with University Of MD Shore Medical Ctr At Chestertown.

When was this NPI record last updated?

The NPPES record for Gerard O'connor was last updated on June 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.