Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TREVOR RISHAWN MARQUIS YORK M.D.
NPI 1174054456
Psychiatry & Neurology - Psychiatry in Stevensville, MD

Active since March 27, 2017PECOS Enrolled
81.16/100
CMS Quality Rating
203 ROMANCOKE RD STE 103, STEVENSVILLE, MD 21666(443) 249-3451(470) 275-0889 Get Directions Write a Review

NPPES record last updated: August 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 9, 2026, Feb 15, 2023, Dec 9, 2022 and 6 more (9 updates tracked since 2017).

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 3 additional practice locations, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1174054456
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. TREVOR RISHAWN MARQUIS YORKCredential: M.D.
Location Address203 ROMANCOKE RD STE 103Stevensville, MD 21666-2685
Mailing Address938 E Swan Creek Rd Ste 108Ft Washington, MD 20744-5250
Fax(470) 275-0889
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 27, 2017
Last NPPES UpdateAugust 9, 20269 updates tracked since enumeration
NPPES CertifiedAugust 9, 2026
NPI 1174054456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses Licensed in VA · 01011273947 Licensed in DC · MD048139 Licensed in MD · D0088908 Licensed in CT · 64170
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
203 ROMANCOKE RD STE 103, Stevensville, MD 21666

Secondary Practice Locations 3

Location 1103 Valley Center DrStaunton, VA 24401-5080 · Phone (540) 332-8211
Location 2326 Washington StNorwich, CT 06360-2740 · Phone (860) 889-8331
Location 3Charlotte Hungerford Hosptial, 540 Litchfield StTorrington, CT 06790 · Phone (860) 496-6666

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID6608112370
PECOS Enrollment IDI20191108001213, I20210706003490
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.

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.

New Patient
$175.57 typical visit price
range $57.99 – $175.57
Typical copayment $43.89 (range $14.49 – $43.89)
Most-billed visit code 99205
Established Patient
$72.23 typical visit price
range $18.66 – $143.02
Typical copayment $18.05 (range $4.66 – $35.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

81.16/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.96
Improvement Activities40

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Mental Health (Including Community Mental Health Center))
203 ROMANCOKE RD STE 103
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.

What insurance does Trevor York accept?

Health plans from Providence Health Plan list Trevor York as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Trevor York was last updated on August 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 days 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.