Karen Louise Horst, MD
Psychiatry Physician · Houston, TX
Karen Louise Horst, MD is a psychiatry physician with a practice address in Houston, Texas, and NPI 1538328729, issued on Jun 3, 2008. Check the license (Texas K5559, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Louise Horst
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- K5559 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6620 Main St Ste 1200, Houston, TX 77030
- Phone
- (832) 826-5281
- Enumerated
- Jun 3, 2008
- Record last updated
- Aug 5, 2024
- Fax
- (832) 825-9367
- Medicare enrollment
- Enrolled (PECOS I20200310000696); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Verify Karen Louise Horst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K5559Check 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
- Texas Childrens Physician GroupAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Louise Horst among 3,318 psychiatry physician records in Texas
Karen Louise Horst, MD is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1997 · median 2006 among the 1,481 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Texas
There are 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in Houston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Patricia Butler, M.D.Houston, TX 770301174557185
- Emilio Cardona, M.D.Houston, TX 770301467456897
- Reeba Chacko, M.D.Houston, TX 770301881650786
- Inna D'Empaire, MDHouston, TX 770301710904511
- Elizabeth David, M.D.Houston, TX 770301184642423
- Herbert Dorfan, M.D.Houston, TX 770301346245636
- Laura Marsh, M.D.Houston, TX 770301619903770
- Anu Matorin, M.D.Houston, TX 770301780618710
Common questions
What is Karen Louise Horst, MD's NPI number?
Karen Louise Horst, MD's National Provider Identifier (NPI) is 1538328729, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karen Louise Horst, MD located?
The NPPES record lists a practice address at 6620 Main St Ste 1200, Houston, TX, 77030. Phone: (832) 826-5281. Providers update this record themselves, so call before visiting.
How can I verify Karen Louise Horst, MD's license?
NPPES lists Texas license number K5559, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.