John B. Rust, M.D.
Psychiatry Physician · San Marcos, TX
John B. Rust, M.D. is a psychiatry physician with a practice address in San Marcos, Texas, and NPI 1518011444, issued on Jan 22, 2007. Check the license (Texas E1106, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John B. Rust
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- E1106 TX
Self-reported in NPPES; status is on the state search - Practice location
- 120 Bert Brown St, San Marcos, TX 78666
- Phone
- (512) 396-8500
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (512) 754-3882
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Also registered at 120 Bert Brown St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tushar Desai, M.D.Psychiatry Physician1407900350
- Kimberly Moody McCallPsychiatric/Mental Health Nurse Practitioner1447759352
- Tammi Morgan, APRNFamily Nurse Practitioner1881981397
- Courtney Stollon, RN, LCSW-S, LCDCStudent in an Organized Health Care Education/Training Program1255201885
Verify John B. Rust in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license E1106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John B. Rust among 3,318 psychiatry physician records in Texas
John B. Rust, M.D. 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 not. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 51% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,318 in Texas → Every provider in San Marcos → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Samantha Brown, M.D.San Marcos, TX 786661578803383
- Tushar Desai, M.D.San Marcos, TX 786661407900350
- Janine Goldstein, M.D.San Marcos, TX 786661881774800
- Barry Mills, M.D.San Marcos, TX 786661902918675
- George Race, M.D.San Marcos, TX 786661992885628
- Clay Ross, MDSan Marcos, TX 786661215964390
- Robert Ward, DOSan Marcos, TX 786661306931845
- Paul Whitelock, M.D.San Marcos, TX 786661497764385
Common questions
What is John B. Rust, M.D.'s NPI number?
John B. Rust, M.D.'s National Provider Identifier (NPI) is 1518011444, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John B. Rust, M.D. located?
The NPPES record lists a practice address at 120 Bert Brown St, San Marcos, TX, 78666. Phone: (512) 396-8500. Providers update this record themselves, so call before visiting.
How can I verify John B. Rust, M.D.'s license?
NPPES lists Texas license number E1106, 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. 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.