Colleen Catherine Mccormick, M.D.
Obstetrics & Gynecology · Baltimore, MD
At a glance
4940 Eastern Ave, Baltimore, MD 21224-2735
Published activity: Melanoma (skin cancer) excision · Removal of the uterus · Removal of tissue. View counts and coverage
NPPES record updated Jun 6, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4940 Eastern AveBaltimore, MD 21224-2735
Additional reported practice locations
1130 Nw 22Nd Ave Ste 110Portland, OR 972102934
Phone: 5034138654
Fax: 5034138655 1201 Camino De Salud Ne
Albuquerque, NM 871312934
Phone: 5059250460
Education & affiliations
- Medical / professional school
- Johns Hopkins University School Of Medicine
- Graduation year
- 2001
- CMS specialties
- Gynecological Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Johns Hopkins Bayview Medical Center Baltimore, MD
- Johns Hopkins Hospital, The Baltimore, MD
- Sibley Memorial Hospital Washington, DC
- University Of Maryland Medical Center Baltimore, MD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Melanoma (skin cancer) excision | 1-10 |
| Removal of the uterus | 22 |
| Removal of tissue | 1-10 |
| Skin biopsy | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $123.62 |
Reporting companies
| Company | Amount |
|---|---|
| ETHICON US, LLC | $95.32 |
| ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP) | $28.30 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Obstetrics & Gynecology
- Taxonomy code
- 207V00000X
- Enumeration date
- Oct 19, 2006
- Record updated
- Jun 6, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207VX0201X
License reported: MD29172 OR
207VX0201X
License reported: MD2021-1008 NM
207V00000X · Primary
License reported: D64772 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4940 Eastern AveBaltimore, MD 21224-2735
- Phone
- (410) 550-5568
Mailing address
6201 GREENLEIGH AVEMIDDLE RIVER, MD 212202004
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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