Nathan S. Johnston
Psychiatry Physician · San Antonio, TX
Nathan S. Johnston is a psychiatry physician with a practice address in San Antonio, Texas, and NPI 1619232113, issued on Jul 10, 2012. Check the license (Texas Q6755, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan S. Johnston
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- Q6755 TX
OP61563295 WA
Self-reported in NPPES; status is on the state search - Practice location
- 23119 W Interstate 10 Bldg 7, San Antonio, TX 78257
- Phone
- (210) 994-6336
- Enumerated
- Jul 10, 2012
- Record last updated
- Feb 3, 2026
- Fax
- (210) 994-6441
- Medicare enrollment
- Enrolled (PECOS I20200512000791); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Also registered at 23119 W Interstate 10 Bldg 7
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Paulos Estioko, PA-CPhysician Assistant1992465058
- Azalia Martinez, M.D.Psychiatry Physician1740549401
Verify Nathan S. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q6755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average psychiatry physician in 2024
354 Medicare Part D claims for 40 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Spravato134 claims
- Dextroamphetamine-Amphetamine27 claims
- Clonazepam24 claims
- Fluoxetine Hcl20 claims
- Sertraline Hcl18 claims
- Trintellix15 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.
Industry payments in 2024: $59,285.77
96 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nathan S. Johnston among 3,318 psychiatry physician records in Texas
Nathan S. Johnston 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 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2012 · median 2006 among the 1,481 with a school on file
- Record last updated2026 · 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 San Antonio → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Javen Cavazos, MDSan Antonio, TX 782571952666331
- Azalia Martinez, M.D.San Antonio, TX 782571740549401
- John Adams, MDSan Antonio, TX 782581831393420
- Sumaira Ahmed, M.D.San Antonio, TX 782581043247687
- Avinash Boddapati, MDSan Antonio, TX 782581083900039
- Melissa Deuter, MDSan Antonio, TX 782581912083841
- Edgar Medina, M.D.San Antonio, TX 782581598045981
- Andrew Norman, DOSan Antonio, TX 782581174943039
Common questions
What is Nathan S. Johnston's NPI number?
Nathan S. Johnston's National Provider Identifier (NPI) is 1619232113, issued on Jul 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nathan S. Johnston located?
The NPPES record lists a practice address at 23119 W Interstate 10 Bldg 7, San Antonio, TX, 78257. Phone: (210) 994-6336. Providers update this record themselves, so call before visiting.
How can I verify Nathan S. Johnston's license?
NPPES lists Texas license number Q6755, 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.
How much does Nathan S. Johnston prescribe under Medicare Part D?
In 2024, Nathan S. Johnston had 354 Medicare Part D claims for 40 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.