Dr Brian Markelz, MD - Medicare Internal Medicine in Fort Sam Houston, TX

Dr Brian Markelz, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Fort Sam Houston, Texas. His current practice location is 3551 Roger Brooke Dr, Fort Sam Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 916-2500.

Dr Brian Markelz is licensed to practice in Texas (license number M4322) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1245397785.

Contact Information

Dr Brian Markelz, MD
3551 Roger Brooke Dr,
Fort Sam Houston, TX 78234-4504
(210) 916-2500
Not Available

Map and Direction




Physician's Profile

Full NameDr Brian Markelz
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location3551 Roger Brooke Dr, Fort Sam Houston, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1245397785
  • Provider Enumeration Date: 01/03/2007
  • Last Update Date: 09/20/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1355527995
  • Enrollment ID: I20110517000441

Medical Identifiers

Medical identifiers for Dr Brian Markelz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245397785NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease M4322 (Texas)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Brian Markelz allows following entities to bill medicare on his behalf.
Entity NameMission Cardiovascular Consultants
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194852418
PECOS PAC ID: 8123010139
Enrollment ID: O20040331000752

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. Dr Brian Markelz 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
Dr Brian Markelz, MD
3551 Roger Brooke Dr,
Fort Sam Houston, TX 78234-4504

Ph: (210) 916-2500
Dr Brian Markelz, MD
3551 Roger Brooke Dr,
Fort Sam Houston, TX 78234-4504

Ph: (210) 916-2500

Reviews and Comments


Internal Medicine Doctors in Fort Sam Houston, TX

Dr. Benjamin Lee Hughes, DO
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-2153    Fax: 210-916-0709
Dr. Rosemary Chacko, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-539-9582    Fax: 210-916-5102
Andre John Ognibene, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3851 Roger Brooke Dr, Mche-qd (creds), Fort Sam Houston, TX 78234
Phone: 210-916-5993    
Christopher Paul Irwin, M.D
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 916-210-2338    
Gilbert Patrick Ancira, MD
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-4808    
Sarah Dang, MD
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-539-7074    
Dr. Raul A. Rivera, MD
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3851 Roger Brooke Dr, Brooke Army Medical Center Mche-qd (credentials), Fort Sam Houston, TX 78234
Phone: 210-916-2460    

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.

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