Steven Siemieniak, DO - Medicare Emergency Medicine in Jbsa Lackland, TX

Steven Siemieniak, DO is a medicare enrolled "Emergency Medicine" physician in Jbsa Lackland, Texas. He graduated from medical school in 2021 and has 5 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Emergency Medicine Services Of Tx, Pllc and his current practice location is 1100 Wilford Hall Loop # 4554, Jbsa Lackland, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 292-7412.

Steven Siemieniak is licensed to practice in Virginia (license number 0102207565) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1659965598.

Contact Information

Steven Siemieniak, DO
1100 Wilford Hall Loop # 4554,
Jbsa Lackland, TX 78236-5638
(210) 292-7412
Not Available

Map and Direction




Physician's Profile

Full NameSteven Siemieniak
GenderMale
SpecialityEmergency Medicine
Experience5 Years
Location1100 Wilford Hall Loop # 4554, Jbsa Lackland, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Steven Siemieniak graduated from medical school in 2021
  NPI Data:
  • NPI Number: 1659965598
  • Provider Enumeration Date: 02/22/2021
  • Last Update Date: 06/26/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0749767002
  • Enrollment ID: I20260119000072

Medical Identifiers

Medical identifiers for Steven Siemieniak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659965598NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 0102207565 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Methodist HospitalSan antonio, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Emergency Medicine Services Of Tx, Pllc3375909351359

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Steven Siemieniak is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Steven Siemieniak, DO
1100 Wilford Hall Loop # 4554,
Jbsa Lackland, TX 78236-5638

Ph: (210) 292-7412
Steven Siemieniak, DO
1100 Wilford Hall Loop # 4554,
Jbsa Lackland, TX 78236-5638

Ph: (210) 292-7412

Reviews and Comments


Emergency Medicine Doctors in Jbsa Lackland, TX

Daniel Allan Weidner, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
Phone: 210-292-3403    
Dr. Anthony L Mitchell, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
Phone: 210-292-3442    
Michael Joseph Rabener, DSC, EMPA-C
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
Phone: 808-433-3707    
Dr. Abigail Greenwell, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
Phone: 210-292-7331    
Shannon Nicole Thompson,
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
Phone: 210-292-7331    
Peter John Cuenca, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1100 Wilford Hall Loop Bldg 4554, Jbsa Lackland, TX 78236
Phone: 210-292-7331    
Christian Wakim,
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
Phone: 210-358-4000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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