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COLLEEN ANNA GIBSON MD
NPI 1821206673
Emergency Medicine in Annapolis, MD

Active since May 17, 2007PECOS Enrolled
2001 MEDICAL PKWY, ANNAPOLIS, MD 21401(410) 481-1366 Get Directions Write a Review

NPPES record last updated: December 30, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Colleen Anna Gibson Md NPPES

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

COLLEEN ANNA GIBSON MD (NPI 1821206673) is an individual emergency medicine provider in Annapolis, Maryland, licensed in Maryland (D0070430) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821206673
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCOLLEEN ANNA GIBSONCredential: MD
Location Address2001 MEDICAL PKWYAnnapolis, MD 21401-3280
Mailing Address2001 Medical PkwyAnnapolis, MD 21401-3280 · (410) 481-1366
Phone(410) 481-1366
Sole ProprietorYes
Enumeration DateMay 17, 2007
Last NPPES UpdateDecember 30, 2010
✔ NPI 1821206673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D0070430
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2001 MEDICAL PKWY, Annapolis, MD 21401
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Other Names 1

Former Name (1)Colleen Anna O'connor Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Colleen Anna Gibson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Colleen Gibson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Doctors Emergency Service, PA
Same address
Emergency Medicine
2001 MEDICAL PKWY
Annapolis, MD 21401
  • Reassigned Medicare billing, Maryland enrollment
  • 60 clinicians in this Medicare group
NPI 1528171840 (443) 481-1366

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

Areas of Expertise CMS Part B claims 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
685 services666 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
130 services129 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
98 services98 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
21 services21 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
17 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

GASHAW ADUGNA M.D
Internal Medicine
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (240) 495-4189
DR. VANESSA MONSALVE-GOMEZ MD
Student in an Organized Health Care Education/Training Program
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-5543
HEATHER ZACK
General Acute Care Hospital
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 927-6383
SARAH LYNN HERN LCSW-C
Counselor (Mental Health)
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-1272
RIYO RAJAN PHARMD
Pharmacist (Oncology)
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-4157
DIMENSIONS HEALTHCARE ASSOCIATES INC
Obstetrics & Gynecology
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-1000
ERIC HADHAZY
Student in an Organized Health Care Education/Training Program
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-4142
ANNE ARUNDEL MEDICAL CENTER
General Acute Care Hospital
2001 MEDICAL PKWY
ANNAPOLIS, MD 21401
Anne Arundel County (443) 481-1000

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 Colleen Gibson's NPI number?

The NPI number for Colleen Gibson is 1821206673. It was assigned to this individual provider in the NPPES registry on May 17, 2007. The provider is also known as Colleen Anna O'connor MD.

Where is Colleen Gibson located?

Colleen Gibson practices at 2001 Medical Pkwy, Annapolis, MD 21401. The listed phone number is (410) 481-1366.

What is Colleen Gibson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Colleen Gibson enrolled in Medicare?

Yes. Colleen Gibson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Colleen Gibson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Gibson reassigns Medicare benefits to Doctors Emergency Service, PA (Annapolis, MD). The 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 Colleen Gibson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Colleen Gibson was last updated on December 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.