DR. JOHN HENRY SLADKY M.D.
NPI 1215905252
Psychiatry & Neurology - Neuromuscular Medicine in San Antonio, TX

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
3551 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER DEPT OF NEUROLOGY, SAN ANTONIO, TX 78234(210) 916-2203(210) 916-3833 Get Directions Write a Review

NPPES record last updated: June 6, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. John Henry Sladky M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN HENRY SLADKY M.D. (NPI 1215905252) is an individual neuromuscular medicine provider in San Antonio, Texas, licensed in Texas (M6885) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1999).

NPPES Registry Identity

NPI1215905252
Entity TypeIndividualMale
Primary Taxonomy2084N0008X
Provider Legal NameDR. JOHN HENRY SLADKYCredential: M.D.
Location Address3551 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER DEPT OF NEUROLOGYSan Antonio, TX 78234-4504
Mailing Address3551 Roger Brooke Dr, Brooke Army Medical Center Dept Of NeurologySan Antonio, TX 78234-4504 · (210) 916-2203 · Fax (210) 916-3833
Fax(210) 916-3833
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1999
Enumeration DateMarch 8, 2006
Last NPPES UpdateJune 6, 2013
✔ NPI 1215905252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neuromuscular MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084N0008X
License✔ Licensed in TX · M6885
Definition
A neurologist or child neurologist who specializes in the diagnosis and management of disorders of nerve, muscle or neuromuscular junction, including amyotrophic lateral sclerosis, peripheral neuropathies (e.g., diabetic and immune mediated neuropathies), various muscular dystrophies, congenital and acquired myopathies, inflammatory myopathies (e.g., polymyositis, inclusion body myositis) and neuromuscular transmission disorders (e.g., myasthenia gravis, Lambert-Eaton myasthenic syndrome).
3551 ROGER BROOKE DR, San Antonio, TX 78234

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Henry Sladky M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810053774
PECOS Enrollment IDI20090302000691
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show John Sladky reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Surgery of the Spine
8401 DATAPOINT DRIVE, SUITE 700
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 9 clinicians in this Medicare group
Clinical Pathology/Laboratory Medicine
7703 FLOYD CURL DR RM 327B
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 2,397 clinicians in this Medicare group
Rural Health
420 DEWEY ST
Wisconsin Rapids, WI 54494
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Aspirus Medical Group, Inc.
  • 415 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
17 services12 patients
Nerve conduction, 9-10 studies 95911
Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.
11 services11 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physician Assistant
3551 ROGER BROOKE DR
JBSA FT SAM HOUSTON, TX 78234
Pediatrics (Pediatric Endocrinology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Neurological Surgery
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Ophthalmology
3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Emergency Medicine (Emergency Medical Services)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Sladky's NPI number?

The NPI number for John Sladky is 1215905252. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is John Sladky located?

John Sladky practices at 3551 Roger Brooke Dr Brooke Army Medical Center Dept Of Neurology, San Antonio, TX 78234. The listed phone number is (210) 916-2203.

What is John Sladky's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neuromuscular Medicine, with taxonomy code 2084N0008X.

Is John Sladky enrolled in Medicare?

Yes. John Sladky is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Sladky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Sladky reassigns Medicare benefits to 3 organizations: Saspine, LLC (San Antonio, TX), University Of Texas Health Science Center At San Antonio (San Antonio, TX) and Aspirus Riverview Hospital & Clinics, Inc. (Wisconsin Rapids, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Sladky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Sladky accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Oscar Insurance Company list John Sladky as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Sladky was last updated on June 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.