DR. TREVOR RISHAWN MARQUIS YORK M.D.
NPI 1174054456
Psychiatry & Neurology - Psychiatry in Stevensville, MD
About Dr. Trevor Rishawn Marquis York M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TREVOR RISHAWN MARQUIS YORK M.D. (NPI 1174054456) is an individual psychiatry provider in Stevensville, Maryland, licensed in Virginia (01011273947) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Trevor Rishawn Marquis York 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.
Medicare Billing Reassignments
9Medicare enrollment records show Trevor York reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stevensville, MD 21666
- Reassigned Medicare billing, Maryland enrollment
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 clinicians in this Medicare group
Norfolk, VA 23507
- Reassigned Medicare billing, Virginia enrollment
- 549 clinicians in this Medicare group
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 374 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- 60 clinicians in this Medicare group
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 clinicians in this Medicare group
Mansfield Center, CT 06250
- Reassigned Medicare billing, Connecticut enrollment
- 200 clinicians in this Medicare group
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 42 clinicians in this Medicare group
Westwood, MA 02090
- Reassigned Medicare billing, Massachusetts enrollment
- 76 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21666 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STEVENSVILLE, MD 21666
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 Trevor York's NPI number?
The NPI number for Trevor York is 1174054456. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Trevor York located?
Trevor York practices at 203 Romancoke Rd Ste 103, Stevensville, MD 21666. The listed phone number is (443) 249-3451.
What is Trevor York's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Trevor York enrolled in Medicare?
Yes. Trevor York 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.
Which organizations bill Medicare for Trevor York's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trevor York reassigns Medicare benefits to 9 organizations: Greater Washington Metropolitan Wellness, Inc (Stevensville, MD), Adventist Physician Services, Inc. (Gaithersburg, MD), Childrens Specialty Group PLLC (Norfolk, VA), The Charlotte Hungerford Hospital (Torrington, CT), Manchester Memorial Hospital, Inc. (Manchester, CT) and 4 more organizations, listed in the Medicare section above. Each 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 Trevor York'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 Trevor York was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Dr. Trevor Rishawn Marquis York, M.D. · NPI 1174054456
Psychiatry physician in Stevensville, Maryland. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1174054456 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 01011273947 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 203 ROMANCOKE RD STE 103, Stevensville, MD 21666-2685
- **Phone:** (443) 249-3451 · **Fax:** (470) 275-0889
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Greater Washington Metropolitan Wellness, Inc (NPI 1134977283, Stevensville, MD); Adventist Physician Services, Inc. (NPI 1376623207, Gaithersburg, MD); Childrens Specialty Group PLLC (NPI 1255354130, Norfolk, VA); The Charlotte Hungerford Hospital (NPI 1629075734, Torrington, CT); Manchester Memorial Hospital, Inc. (NPI 1295695039, Manchester, CT); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174054456) · Data from the CMS NPPES public registry.