Alexis Gorden Mccary, M.D.
Gastroenterology · Internal Medicine (CMS) · Upper Marlboro, MD
At a glance
1221 Mercantile Lane, Upper Marlboro, MD 20774
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jun 22, 2021. 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
1221 Mercantile LaneUpper Marlboro, MD 20774
Education & affiliations
- Medical / professional school
- New York University School Of Medicine
- Graduation year
- 2005
- CMS specialties
- Gastroenterology · Internal Medicine
Practice groups
- Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
- Lifebridge Community Gastroenterology Llc
Reported hospital affiliations
- Holy Cross Hospital Silver Spring, MD
- Johns Hopkins Howard County Medical Center Columbia, MD
- University Of Md Baltimore Washington Medical Center Glen Burnie, 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 |
|---|---|
| Colonoscopy | 51 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 28 |
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.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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
- Gastroenterology · Internal Medicine (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Jan 18, 2008
- Record updated
- Jun 22, 2021
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- ALEXIS LINGVERE GORDEN
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: D0068388 MD
207R00000X
License reported: 246644 NY
207R00000X
License reported: 068388 MD
207RG0100X · Primary
License reported: D0068388 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1221 Mercantile LaneUpper Marlboro, MD 20774
- Phone
- (301) 618-5500
- Fax
- (301) 618-5978
Mailing address
1221 MERCANTILE LANEUPPER MARLBORO, MD 20774
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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