Phillip Horner, LCSW
Clinical Social Worker · Boulder, CO
Phillip Horner, LCSW is a clinical social worker with a practice address in Boulder, Colorado, and NPI 1003285719, issued on Sep 23, 2015. Check the license (Colorado CSW.09923711, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phillip Horner
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- CSW.09923711 CO
Self-reported in NPPES; status is on the state search - Practice location
- 100 Arapahoe Ave Ste 9, Boulder, CO 80302
- Phone
- (720) 316-7774
- Enumerated
- Sep 23, 2015
- Record last updated
- May 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230915002092); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,356 in Colorado → Look up another NPI →
Also registered at 100 Arapahoe Ave Ste 9
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah Fox, PSYCHOTHERAPISTClinical Psychologist1467071720
- Dustin Hiles, LPCMental Health Counselor1306415187
- Abby Howard, MSW, LCSWClinical Social Worker1316290398
- Elizabeth Rottman, LPCMental Health Counselor1225636236
Verify Phillip Horner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license CSW.09923711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Whole Connection LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phillip Horner among 7,356 clinical social worker records in Colorado
Phillip Horner, LCSW is one of 7,356 clinical social worker records with a practice address in Colorado. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 40% of them.
- NPI issued2015 · 40% of these records are older, 56% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2012 · median 2014 among the 1,575 with a school on file
- Record last updated2018 · 46% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
316 clinical social worker records list a practice address in Boulder
They are 316 of the 5,635 NPPES records with a practice address in Boulder, and 7,356 clinical social worker records in Colorado.
All 7,356 in Colorado → Every provider in Boulder → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Erica Brann, L.C.S.W.Boulder, CO 803021598898819
- Marilyn Conroy, LCSWBoulder, CO 803021982825659
- Daniel Courtney, PH.D.Boulder, CO 803021033144472
- Mark Grassman, MSWBoulder, CO 803021922121003
- Regina Gray, MSWBoulder, CO 803021295846491
- Deborah Knoll, LCSWBoulder, CO 803021366566655
- Amy Latimer, MSW, LCSWBoulder, CO 803021255539151
- Barbara Miller, L.C.S.W.Boulder, CO 803021295825057
Common questions
What is Phillip Horner, LCSW's NPI number?
Phillip Horner, LCSW's National Provider Identifier (NPI) is 1003285719, issued on Sep 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Horner, LCSW located?
The NPPES record lists a practice address at 100 Arapahoe Ave Ste 9, Boulder, CO, 80302. Phone: (720) 316-7774. Providers update this record themselves, so call before visiting.
How can I verify Phillip Horner, LCSW's license?
NPPES lists Colorado license number CSW.09923711, as entered by the provider. Search the Colorado 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. Medicare files from data.cms.gov. 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.