Gretchen Dorr Horst, LCSW
Clinical Social Worker · Herndon, VA
Gretchen Dorr Horst, LCSW is a clinical social worker with a practice address in Herndon, Virginia, and NPI 1104913821, issued on Oct 5, 2006. Check the license (Virginia 0904001567, 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
- Gretchen Dorr Horst
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 0904001567 VA
Self-reported in NPPES; status is on the state search - Practice location
- 429B Carlisle Dr # 205, Herndon, VA 20170
- Phone
- (703) 391-7380
- Enumerated
- Oct 5, 2006
- Record last updated
- Jun 28, 2024
- Fax
- (703) 783-8655
- Medicare enrollment
- Enrolled (PECOS I20040729000312); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 8,027 in Virginia → Look up another NPI →
Verify Gretchen Dorr Horst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0904001567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gretchen Dorr Horst among 8,027 clinical social worker records in Virginia
Gretchen Dorr Horst, LCSW is one of 8,027 clinical social worker records with a practice address in Virginia. 14% 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 84% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated1980 · median 2010 among the 1,765 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 clinical social worker records list a practice address in Herndon
They are 51 of the 943 NPPES records with a practice address in Herndon, and 8,027 clinical social worker records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,027 in Virginia → Every provider in Herndon → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Heather Baker, LCSW, CEDSHerndon, VA 201701194819037
- Mirean Coleman, MSW, LICSWHerndon, VA 201701619003274
- Harriet Dolinsky, L.C.S.W.Herndon, VA 201701174506562
- Connie Edens, LCSWHerndon, VA 201701932209921
- Kathryn Hart, L.C.S.W.Herndon, VA 201701275638223
- Alice Kim, M.S.W., L.C.S.W.Herndon, VA 201701821008137
- Laurie LevineHerndon, VA 201701760516942
- Vivien Lohmeyer, LCSWHerndon, VA 201701366540700
Common questions
What is Gretchen Dorr Horst, LCSW's NPI number?
Gretchen Dorr Horst, LCSW's National Provider Identifier (NPI) is 1104913821, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Dorr Horst, LCSW located?
The NPPES record lists a practice address at 429B Carlisle Dr # 205, Herndon, VA, 20170. Phone: (703) 391-7380. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Dorr Horst, LCSW's license?
NPPES lists Virginia license number 0904001567, 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.