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

DR. CHAD MICHAEL STILES PHD
NPI 1376346056
Marriage & Family Therapist in Fairfax, VA

Active since March 28, 2025PECOS Enrolled
11166 FAIRFAX BLVD STE 500, FAIRFAX, VA 22030(304) 576-5792 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2026, Aug 2, 2026, May 6, 2026 and 5 more (8 updates tracked since 2025).

About Dr. Chad Michael Stiles Phd NPPES

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

DR. CHAD MICHAEL STILES PHD (NPI 1376346056) is an individual marriage & family therapist in Fairfax, Virginia, licensed in Virginia (0717002631) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1376346056
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameDR. CHAD MICHAEL STILESCredential: PHD
Location Address11166 FAIRFAX BLVD STE 500Fairfax, VA 22030-5017
Mailing Address226 Montreal WayFalling Waters, WV 25419-0200 · (304) 576-5792
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 28, 2025
Last NPPES UpdateOctober 23, 20268 updates tracked since enumeration
NPPES CertifiedOctober 23, 2026
✔ NPI 1376346056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses✔ Licensed in VA · 0717002631✔ Licensed in PA · MF001890✔ Licensed in CO · MFT.0003103✔ Licensed in SC · LMF.8383MFT✔ Licensed in WV · 54✔ Licensed in IN · 35002622A
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
11166 FAIRFAX BLVD STE 500, Fairfax, VA 22030

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chad Michael Stiles Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971027715
PECOS Enrollment IDI20260818000160
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 Reassignments

2

Medicare enrollment records show Chad Stiles reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychologist
1447 YORK RD STE 601
Timonium, MD 21093
  • Reassigned Medicare billing, District of Columbia enrollment
  • 191 clinicians in this Medicare group
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Colorado, District of Columbia, Pennsylvania and South Carolina enrollments
  • 504 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.

Other Providers at the Same Location NPPES 17

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

Home Health
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
Clinic/Center (Mental Health (Including Community Mental Health Center))
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
Nurse Practitioner (Psychiatric/Mental Health)
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
Durable Medical Equipment & Medical Supplies
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
Nurse Practitioner (Family)
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
In Home Supportive Care
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
Physical Therapy Assistant
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030
Social Worker (Clinical)
11166 FAIRFAX BLVD STE 500
FAIRFAX, VA 22030

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 Chad Stiles's NPI number?

The NPI number for Chad Stiles is 1376346056. It was assigned to this individual provider in the NPPES registry on March 28, 2025.

Where is Chad Stiles located?

Chad Stiles practices at 11166 Fairfax Blvd Ste 500, Fairfax, VA 22030. The listed phone number is (304) 576-5792.

What is Chad Stiles's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Chad Stiles enrolled in Medicare?

Yes. Chad Stiles is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chad Stiles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chad Stiles reassigns Medicare benefits to 2 organizations: Psych Associates Of Maryland LLC (Timonium, MD) and Grow Healthcare Group PA (Miami, FL). 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 Chad Stiles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chad Stiles accept?

Health plans from Oscar Health, Oscar Insurance Company, Select Health and UnitedHealthcare list Chad Stiles 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 Chad Stiles was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.