DR. CARY NICHOLAS ROY MD
NPI 1912585258
Internal Medicine - Rheumatology in Dallas, TX

Active since March 30, 2021PECOS Enrolled
8144 WALNUT HILL LN STE 800, DALLAS, TX 75231(214) 540-0700(214) 540-0701 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 15, 2026, Mar 30, 2021 (2 updates tracked since 2021).

About Dr. Cary Nicholas Roy Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARY NICHOLAS ROY MD (NPI 1912585258) is an individual rheumatology provider in Dallas, Texas, licensed in Texas (W6768) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Mississippi School Of Medicine (2021).

NPPES Registry Identity

NPI1912585258
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. CARY NICHOLAS ROYCredential: MD
Location Address8144 WALNUT HILL LN STE 800Dallas, TX 75231-4345
Mailing Address8144 Walnut Hill Ln Ste 800Dallas, TX 75231-4345 · (214) 540-0700 · Fax (214) 540-0701
Fax(214) 540-0701
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2021
Enumeration DateMarch 30, 2021
Last NPPES UpdateJuly 15, 20262 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1912585258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in TX · W6768
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
8144 WALNUT HILL LN STE 800, Dallas, TX 75231

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cary Nicholas Roy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466911532
PECOS Enrollment IDI20260828001838
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.

Medicare Billing Reassignment

Medicare enrollment records show Cary Roy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rheumatology
8144 WALNUT HILL LN STE 800
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 32 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 75231 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

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

Nurse Practitioner (Family)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Physician Assistant
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231
Internal Medicine (Rheumatology)
8144 WALNUT HILL LN STE 800
DALLAS, TX 75231

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 Cary Roy's NPI number?

The NPI number for Cary Roy is 1912585258. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is Cary Roy located?

Cary Roy practices at 8144 Walnut Hill Ln Ste 800, Dallas, TX 75231. The listed phone number is (214) 540-0700.

What is Cary Roy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Cary Roy enrolled in Medicare?

Yes. Cary Roy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cary Roy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cary Roy reassigns Medicare benefits to Rheumatology Associates & Subsidiary (Dallas, TX). The 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 Cary Roy'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 Cary Roy was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.