Trevor Rishawn Marquis York, M.D.
Psychiatry · Stevensville, MD
At a glance
203 Romancoke Rd Ste 103, Stevensville, MD 21666-2685
NPPES record updated Aug 17, 2026. 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
203 Romancoke Rd Ste 103Stevensville, MD 21666-2685
Additional reported practice locations
2333 Ontario Rd NwWashington, DC 200092627
Phone: 2029873736 Charlotte Hungerford Hosptial
540 Litchfield St
Torrington, CT 06790
Phone: 8604966666 103 Valley Center Dr
Staunton, VA 244015080
Phone: 5403328211 326 Washington St
Norwich, CT 063602740
Phone: 8608898331
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Psychiatry
Practice groups
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.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
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
- Psychiatry
- Taxonomy code
- 2084P0800X
- Enumeration date
- Mar 27, 2017
- Record updated
- Aug 17, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2084P0800X · Primary
License reported: 01011273947 VA
2084P0800X
License reported: MD048139 DC
2084P0800X
License reported: D0088908 MD
2084P0800X
License reported: 64170 CT
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
203 Romancoke Rd Ste 103Stevensville, MD 21666-2685
- Phone
- (443) 249-3451
- Fax
- (470) 275-0889
Mailing address
938 E SWAN CREEK RD STE 108FT WASHINGTON, MD 207445250
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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