Oscar A Alvarez, MD - Medicare Internal Medicine in Harlingen, TX

Oscar A Alvarez, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Harlingen, Texas. His current practice location is 512 Victoria Ln Ste 2, Harlingen, Texas. You can reach out to his office (for appointments etc.) via phone at (956) 365-4400.

Oscar A Alvarez is licensed to practice in Texas (license number J5967) 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 1376565838.

Contact Information

Oscar A Alvarez, MD
512 Victoria Ln Ste 2,
Harlingen, TX 78550-3227
(956) 365-4400
(956) 365-4111



Physician's Profile

Full NameOscar A Alvarez
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location512 Victoria Ln Ste 2, Harlingen, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1376565838
  • Provider Enumeration Date: 07/24/2006
  • Last Update Date: 07/14/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0345434882
  • Enrollment ID: I20101028001519

Medical Identifiers

Medical identifiers for Oscar A Alvarez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376565838NPI-NPPES
083176001MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology J5967 (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. Oscar A Alvarez allows following entities to bill medicare on his behalf.
Entity NameGastroenterology Consultants Of South Texas, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821127002
PECOS PAC ID: 3274624937
Enrollment ID: O20070809000340

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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. Oscar A Alvarez 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
Oscar A Alvarez, MD
512 Victoria Ln Ste 2,
Harlingen, TX 78550-3227

Ph: (956) 365-4400
Oscar A Alvarez, MD
512 Victoria Ln Ste 2,
Harlingen, TX 78550-3227

Ph: (956) 365-4400

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Internal Medicine Doctors in Harlingen, TX

Alfredo Garcia, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1722 S Carolina St, Suite A, Harlingen, TX 78550
Phone: 956-365-4522    Fax: 956-365-4897
Dr. M. Shereef Hilmy Ii, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2310 N. Ed Carey Drive, Suite 1a, Harlingen, TX 78550
Phone: 956-428-5522    Fax: 956-430-3400
Linda M Alexander, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 2121 Pease St, Ste 3a, Harlingen, TX 78550
Phone: 956-359-1440    
Hector M Carmona, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2102 Treasure Hills Blvd, Harlingen, TX 78550
Phone: 832-293-0177    
Dr. Robert L. Hatcher, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 28528 S Palm Court Dr, Harlingen, TX 78552
Phone: 956-425-3098    
Ariana Barbosa,
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 1806 Runnels St, Harlingen, TX 78550
Phone: 956-230-3181    Fax: 956-230-3182
Luis A Reynoso, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2401 N Ed Carey Dr, Ste C, Harlingen, TX 78550
Phone: 956-425-7800    Fax: 956-425-7801

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