- Medicare Primary Care in San Antonio, TX

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is a medicare enrolled primary clinic (Internal Medicine - Infectious Disease) in San Antonio, Texas. The current practice location for is 150 E Sonterra Blvd, Suite 170, San Antonio, Texas. For appointments, you can reach them via phone at (210) 481-2800. The mailing address for is Po Box 1346, San Antonio, Texas and phone number is (210) 558-6288.

is licensed to practice in Texas (license number H3973). The clinic also participates in the medicare program and its NPI number is 1255357653. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (210) 481-2800.

Contact Information

150 E Sonterra Blvd
Suite 170
San Antonio
TX 78258-4098
(210) 481-2800
(210) 481-2834

Map and Direction


Primary Care Clinic Profile

Full Name
SpecialityInternal Medicine
Location150 E Sonterra Blvd, San Antonio, Texas
Authorized Official Name and PositionRobert A Zajac (PRESIDENT)
Authorized Official Contact2105586288
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address

Po Box 1346
San Antonio
TX 78295-1346

Ph: (210) 558-6288
150 E Sonterra Blvd
Suite 170
San Antonio
TX 78258-4098

Ph: (210) 481-2800

NPI Details:

NPI Number1255357653
Provider Enumeration Date07/15/2006
Last Update Date09/15/2015

Medicare PECOS Information:

Medicare PECOS PAC ID6204831498
Medicare Enrollment IDO20060921000404

Medical Identifiers

Medical identifiers for such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255357653NPI-NPPES
183550601MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease H3973 (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. acts as a billing entity for following providers:
Provider NameRobert A Zajac
Provider TypePractitioner - Infectious Disease
Provider IdentifiersNPI Number: 1013907963
PECOS PAC ID: 6103829726
Enrollment ID: I20060821000053
Provider NameJose A Ramos
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1114233152
PECOS PAC ID: 4486822855
Enrollment ID: I20110729000646
Provider NameAbel Mendez
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1366896888
PECOS PAC ID: 5092002626
Enrollment ID: I20160927000176
Provider NameJessica Elaine Drane
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1912443193
PECOS PAC ID: 1850674573
Enrollment ID: I20170203000463
Provider NameTraceen Driskill
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1730720996
PECOS PAC ID: 6305271644
Enrollment ID: I20200115001416

Reviews and Comments


Internal Medicine in San Antonio, TX


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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.