DAVID GUION PH.D,
NPI 1659741171
Psychologist - Clinical in Ashland, VA

Active since September 26, 2015PECOS EnrolledAccepts Medicare Assignment
9671 SLIDING HILL RD STE 204, ASHLAND, VA 23005(804) 221-2042(804) 258-4351 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About David Guion Ph.d, NPPES

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

DAVID GUION PH.D, (NPI 1659741171) is an individual clinical provider in Ashland, Virginia, licensed in Virginia (0810005208) and active in the NPI registry since September 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1659741171
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDAVID GUIONCredential: PH.D,
Location Address9671 SLIDING HILL RD STE 204Ashland, VA 23005-7989
Mailing Address9116 Dove Creek PlMechanicsville, VA 23116-2868 · (804) 380-2775 · Fax (804) 258-4351
Fax(804) 258-4351
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateSeptember 26, 2015
Last NPPES UpdateJune 9, 2026
NPPES CertifiedJune 9, 2026
✔ NPI 1659741171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in VA · 0810005208
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
9671 SLIDING HILL RD STE 204, Ashland, VA 23005

Other Identifiers 1

Medicaid601041558VA

Accepted Insurance

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

David Guion Ph.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 ID6406156322
PECOS Enrollment IDI20151125001909
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 David Guion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
9671 SLIDING HILL RD
Ashland, VA 23005
  • Reassigned Medicare billing, Virginia enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
148 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23005 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
$170.30 typical visit price
range $56.19 – $170.30
Typical copayment $42.57 (range $14.04 – $42.57)
Most-billed visit code 99205
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

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 David Guion's NPI number?

The NPI number for David Guion is 1659741171. It was assigned to this individual provider in the NPPES registry on September 26, 2015.

Where is David Guion located?

David Guion practices at 9671 Sliding Hill Rd Ste 204, Ashland, VA 23005. The listed phone number is (804) 221-2042.

What is David Guion's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is David Guion enrolled in Medicare?

Yes. David Guion 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 organization bills Medicare for David Guion's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Guion reassigns Medicare benefits to Compassion Counseling And Psychological Services, LLC (Ashland, VA). 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 David Guion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Guion accept?

Health plans from Oscar Health list David Guion 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 David Guion was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.