Caroline Horton, PA
Physician Assistant · San Antonio, TX
Caroline Horton, PA is a physician assistant with a practice address in San Antonio, Texas, and NPI 1518455963, issued on May 1, 2018. Check the license (Texas PA11958, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caroline Horton
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA11958 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18587 Sigma RD Ste 260, San Antonio, TX 78258
- Phone
- (210) 314-4564
- Enumerated
- May 1, 2018
- Record last updated
- Aug 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 18587 Sigma RD Ste 260
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Deuter, MDPsychiatry Physician1912083841
- Sarah Gutierrez-Hernandez, MDPsychiatry Physician1295222123
- Robin Santamaria, APRNPsychiatric/Mental Health Nurse Practitioner1306395447
Verify Caroline Horton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA11958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average physician assistant in 2024
110 Medicare Part D claims for 21 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Mirtazapine13 claims
- Sertraline Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
873 physician assistant records list a practice address in San Antonio
They are 873 of the 37,749 NPPES records with a practice address in San Antonio, and 10,999 physician assistant records in Texas.
All 873 in San Antonio → All 10,999 in Texas → Every provider in San Antonio →
Other physician assistant records in Texas
- Neha Aamir, PAPearland, TX1932821808
- Shaghayegh Ababaf, PA-CLewisville, TX1912372145
- Linda Abad, PA-CHouston, TX1063928240
- Hansaa AbbasiDallas, TX1013575679
- Alicia Abbey, MPAS, PA-CSan Antonio, TX1710468145
- Dallah Abdallahi, PADallas, TX1093294811
- Haya AbdellatifGalveston, TX1518409903
- Hillary Abdennassar, PA-CDallas, TX1245991793
- Hodan Abdi, PA-CDallas, TX1558750075
- Lama Abdillahi, PAGalveston, TX1396668604
Common questions
What is Caroline Horton, PA's NPI number?
Caroline Horton, PA's National Provider Identifier (NPI) is 1518455963, issued on May 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Horton, PA located?
The NPPES record lists a practice address at 18587 Sigma RD Ste 260, San Antonio, TX, 78258. Phone: (210) 314-4564. Providers update this record themselves, so call before visiting.
How can I verify Caroline Horton, PA's license?
NPPES lists Texas license number PA11958, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Caroline Horton, PA prescribe under Medicare Part D?
In 2024, Caroline Horton, PA had 110 Medicare Part D claims for 21 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.