Mark Joseph Geslak, PA - Physician Assistant in Fort Sam Houston, TX

Mark Joseph Geslak, PA is a Physician Assistant - Medical based in Fort Sam Houston, Texas. Mark Joseph Geslak is licensed to practice in Texas (license number PA04593) and his current practice location is 3851 Roger Brooke Dr, Mche-qd, Fort Sam Houston, Texas. He can be reached at his office (for appointments etc.) via phone at (210) 916-2460.

NPI number for Mark Joseph Geslak is 1104898758 and his current mailing address is 4855 Encanto Creek Dr, San Antonio, Texas. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1104898758.

Contact Information

Mark Joseph Geslak, PA
3851 Roger Brooke Dr, Mche-qd,
Fort Sam Houston, TX 78234-4501
(210) 916-2460
Not Available

Map and Direction




Provider's Profile

Full NameMark Joseph Geslak
GenderMale
SpecialityPhysician Assistant - Medical
Location3851 Roger Brooke Dr, Fort Sam Houston, Texas
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1104898758
  • Provider Enumeration Date: 02/06/2006
  • Last Update Date: 07/08/2007

Medical Identifiers

Medical identifiers for Mark Joseph Geslak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104898758NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AM0700XPhysician Assistant - Medical PA04593 (Texas)Primary

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. Mark Joseph Geslak is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark Joseph Geslak, PA
4855 Encanto Creek Dr,
San Antonio, TX 78247-5618

Ph: (210) 545-7324
Mark Joseph Geslak, PA
3851 Roger Brooke Dr, Mche-qd,
Fort Sam Houston, TX 78234-4501

Ph: (210) 916-2460

Reviews and Comments


Physician Assistant Nurses in Fort Sam Houston, TX

Jesse Gronsky, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-9900    
Michael David Gianelle, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-1154    
Mr. Cameron Darius Clement, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 3880 Roger Brooke Dr., C/o General Surgery Dept/sammc, Fort Sam Houston, TX 78234
Phone: 509-590-8908    
William Grisham, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 615-987-2487    
John Mcfall,
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-8764    
Guy-raphael Toussaint, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-539-9582    
William Tyler Barton, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-0808    

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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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