David Guion, PH.D,
Clinical Psychologist · Ashland, VA
David Guion, PH.D, is a clinical psychologist with a practice address in Ashland, Virginia, and NPI 1659741171, issued on Sep 26, 2015. Check the license (Virginia 0810005208, as entered in NPPES) with the Virginia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Guion
- Credential
- PH.D,
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 0810005208 VA
Self-reported in NPPES; status is on the state search - Practice location
- 9671 Sliding Hill RD Ste 204, Ashland, VA 23005
- Phone
- (804) 221-2042
- Enumerated
- Sep 26, 2015
- Record last updated
- Jun 9, 2026
- Fax
- (804) 258-4351
- Medicaid ID
- 601041558 VA
- Medicare enrollment
- Enrolled (PECOS I20151125001909); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 2,329 in Virginia → Look up another NPI →
Verify David Guion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0810005208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David Guion among 2,329 clinical psychologist records in Virginia
David Guion, PH.D, is one of 2,329 clinical psychologist records with a practice address in Virginia. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 67% of them.
- NPI issued2015 · 67% of these records are older, 29% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2014 · median 2003 among the 442 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 clinical psychologist records list a practice address in Ashland
They are 6 of the 337 NPPES records with a practice address in Ashland, and 2,329 clinical psychologist records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,329 in Virginia → Every provider in Ashland → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- John Hugo, PH.D.Ashland, VA 230051134344179
- Catherine Martin, PHDAshland, VA 230051164641957
- Therese May, PH.D.Ashland, VA 230051275602658
- Scott McDonald, PH.D.Ashland, VA 230051992974349
- Ethan Schilling, PHD, LCP, NCSPAshland, VA 230051639011950
- Nadeem Ahmed, LCPAmelia Ch, VA 230021508003484
- Harriet Baggett, PH.D., LCPWaynesboro, VA 229801952093387
- Robert Blinn, PH.D.Waynesboro, VA 229801457300667
Common questions
What is David Guion, PH.D,'s NPI number?
David Guion, PH.D,'s National Provider Identifier (NPI) is 1659741171, issued on Sep 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is David Guion, PH.D, located?
The NPPES record lists a practice address at 9671 Sliding Hill RD Ste 204, Ashland, VA, 23005. Phone: (804) 221-2042. Providers update this record themselves, so call before visiting.
How can I verify David Guion, PH.D,'s license?
NPPES lists Virginia license number 0810005208, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.