John Dewey Whisenant, MD - Medicare Emergency Medicine in San Marcos, TX

John Dewey Whisenant, MD is a medicare enrolled "Emergency Medicine" physician in San Marcos, Texas. His current practice location is 1301 Wonder World Dr, San Marcos, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 753-3796.

John Dewey Whisenant is licensed to practice in Texas (license number G5765) 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 1457341752.

Contact Information

John Dewey Whisenant, MD
1301 Wonder World Dr,
San Marcos, TX 78666-7533
(512) 753-3796
Not Available

Map and Direction




Physician's Profile

Full NameJohn Dewey Whisenant
GenderMale
SpecialityEmergency Medicine
Location1301 Wonder World Dr, San Marcos, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1457341752
  • Provider Enumeration Date: 10/27/2005
  • Last Update Date: 03/25/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 9537172044
  • Enrollment ID: I20090116000312

Medical Identifiers

Medical identifiers for John Dewey Whisenant such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457341752NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine G5765 (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. John Dewey Whisenant allows following entities to bill medicare on his behalf.
Entity NameVictoria Emergency Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407917164
PECOS PAC ID: 7911005087
Enrollment ID: O20070613000507
Entity NameLone Star Emergency Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457709040
PECOS PAC ID: 7113054446
Enrollment ID: O20100419000563
Entity NameSouth Texas Hospitalist Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790045664
PECOS PAC ID: 6608024633
Enrollment ID: O20120918000181
Entity NameVictoria Emergency Partners Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164770996
PECOS PAC ID: 7012165939
Enrollment ID: O20120919000322

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. John Dewey Whisenant 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
John Dewey Whisenant, MD
106 Catclaw Cv,
San Marcos, TX 78666-2456

Ph: (512) 353-3773
John Dewey Whisenant, MD
1301 Wonder World Dr,
San Marcos, TX 78666-7533

Ph: (512) 753-3796

Reviews and Comments


Emergency Medicine Doctors in San Marcos, TX

Jose Ovidio Pena Jr., MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    
Daniel Patrick Loisel, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    
Dr. Robert Donovan Butter, D.O.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-353-8979    
Dr. Gilbert Saenz Rodriguez Jr., M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1320 Wonder World Dr Ste 101, San Marcos, TX 78666
Phone: 512-396-3911    Fax: 512-353-0807
Dr. Myla J. Canales, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-353-8979    
Grant David Williams, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.