Hassan M Alissa, MD - Medicare Rheumatology in San Marcos, TX

Hassan M Alissa, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in San Marcos, Texas. He graduated from medical school in 1992 and has 32 years of diverse experience with area of expertise as Rheumatology. His current practice location is 1340 Wonder World Dr, Bldg.2, Suite 2203, San Marcos, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 667-7123.

Hassan M Alissa is licensed to practice in Missouri (license number 2000160315) 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 1770522633.

Contact Information

Hassan M Alissa, MD
1340 Wonder World Dr, Bldg.2, Suite 2203,
San Marcos, TX 78666-7598
(512) 667-7123
(512) 667-7328

Map and Direction




Physician's Profile

Full NameHassan M Alissa
GenderMale
SpecialityRheumatology
Experience32 Years
Location1340 Wonder World Dr, San Marcos, 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:
  • Hassan M Alissa graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1770522633
  • Provider Enumeration Date: 06/06/2006
  • Last Update Date: 02/14/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 4880665488
  • Enrollment ID: I20081006000420

Medical Identifiers

Medical identifiers for Hassan M Alissa such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770522633NPI-NPPES
152268OtherBCBS
205333818MedicaidMO
P00152821OtherRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 2000160315 (Missouri)Primary
207RR0500XInternal Medicine - Rheumatology M7820 (Texas)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Christus Santa Rosa Hospital-san MarcosSan marcos, TXHospital
Guadalupe Regional Medical CenterSeguin, TXHospital
Memorial HospitalGonzales, TXHospital
Ascension Seton Edgar B DavisLuling, TXHospital
Christus Santa Rosa Medical CenterSan antonio, TXHospital

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. Hassan M Alissa allows following entities to bill medicare on his behalf.
Entity NameArthritis Clinic Of Central Texas
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801132048
PECOS PAC ID: 1759527807
Enrollment ID: O20130417000097

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. Hassan M Alissa 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
Hassan M Alissa, MD
1340 Wonder World Dr, Bldg.2, Suite 2203,
San Marcos, TX 78666-7598

Ph: (512) 667-7123
Hassan M Alissa, MD
1340 Wonder World Dr, Bldg.2, Suite 2203,
San Marcos, TX 78666-7598

Ph: (512) 667-7123

Reviews and Comments


Internal Medicine Doctors in San Marcos, TX

Lance Monteau, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1290 Wonder World Dr Ste 1100, San Marcos, TX 78666
Phone: 512-393-3325    Fax: 512-393-3328
Dr. William K Deschner, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1305 Wonder World Dr, Suite 200, San Marcos, TX 78666
Phone: 512-754-8676    Fax: 512-754-8680
Frederick Earl Dixon, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 326 N Lbj Dr Ste 104, San Marcos, TX 78666
Phone: 512-572-1033    
Dr. Maria De Jesus Salinas, M.D.
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 1340 Wonder World Dr Ste 2203, San Marcos, TX 78666
Phone: 512-667-7123    Fax: 512-667-7328
Jose Mario Ayala, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-353-8979    
Carlos Enrique Zamora, M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 2800 Airport, Hwy 21, San Marcos, TX 78666
Phone: 512-396-6513    
Dr. Carlos Neghme, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1305 Wonder World Dr, Suite 200, San Marcos, TX 78666
Phone: 512-754-8676    Fax: 512-754-8680

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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