John Henry Sladky, M.D.
Neuromuscular Medicine (Psychiatry & Neurology) Physician · San Antonio, TX
John Henry Sladky, M.D. is a neuromuscular medicine (psychiatry & neurology) physician with a practice address in San Antonio, Texas, and NPI 1215905252, issued on Mar 8, 2006. Check the license (Texas M6885, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Henry Sladky
- Credential
- M.D.
- Primary taxonomy
- Neuromuscular Medicine (Psychiatry & Neurology) Physician 2084N0008X
- License number
- M6885 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3551 Roger Brooke Dr, San Antonio, TX 78234
- Phone
- (210) 916-2203
- Enumerated
- Mar 8, 2006
- Record last updated
- Jun 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (210) 916-3833
- Medicare enrollment
- Enrolled (PECOS I20090302000691); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1999
- Entity
- Type 1 · individual
8 nearest neuromuscular medicine (psychiatry & neurology) physician records → All 20 in Texas → Look up another NPI →
Also registered at 3551 Roger Brooke Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Aboujaoude, MDGeneral Practice Physician1548900343
- Richard Adams, RNRegistered Nurse1861202160
- Thomas Adams, MDAnatomic Pathology & Clinical Pathology Physician1215050497
- Jamilia Adams-Henderson, CRNACertified Registered Nurse Anesthetist1518211176
- Mabel Aguirre, IDMTIndependent Duty Medical Technicians1083009179
- Alejandro Alejandrez CisnerosGeneral Practice Physician1518568161
Verify John Henry Sladky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M6885Check 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
- Saspine, LLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Henry Sladky among 20 neuromuscular medicine (psychiatry & neurology) physician records in Texas
John Henry Sladky, M.D. is one of 20 neuromuscular medicine (psychiatry & neurology) physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 65% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated1999 · median 1999 among the 17 with a school on file
- Record last updated2013 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0008X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuromuscular Medicine (Psychiatry & Neurology) Physician providers in Texas
There are 20 neuromuscular medicine (psychiatry & neurology) physician records in Texas.
All 20 in Texas → Every provider in San Antonio → Neuromuscular Medicine (Psychiatry & Neurology) Physician nationwide →
The 8 neuromuscular medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- Ratna Bhavaraju-Sanka, M.DSan Antonio, TX 782291679786651
- Cassie Chan, MDSan Antonio, TX 782291407345499
- Carlayne Jackson, M.D.San Antonio, TX 782291083620967
- Alejandro Tobon, MDSan Antonio, TX 782291386783306
- Matthew Wicklund, M.D.San Antonio, TX 782291255312161
- Yessar Hussain, M.D.Austin, TX 787591982852166
- Darine Kassar, M.D.Sugar Land, TX 774791902035686
- Ali Moussaoui, M.D.Houston, TX 770891114921905
Common questions
What is John Henry Sladky, M.D.'s NPI number?
John Henry Sladky, M.D.'s National Provider Identifier (NPI) is 1215905252, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Henry Sladky, M.D. located?
The NPPES record lists a practice address at 3551 Roger Brooke Dr, San Antonio, TX, 78234. Phone: (210) 916-2203. Providers update this record themselves, so call before visiting.
How can I verify John Henry Sladky, M.D.'s license?
NPPES lists Texas license number M6885, 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.