Matthew Stalker, MD - Medicare Diagnostic Radiology in San Antonio, TX

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Matthew Stalker, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in San Antonio, Texas. He went to Creighton University School Of Medicine and graduated in 2000 and has 26 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Good Samaritan Regional Health Center, Blessing Hospital, Crawford Hospital District, Specialists In Medical Imaging Sc, St Marys Hospital Centralia Illinois, County Of Clay, Blessing Hospital and his current practice location is 311 Camden St, Suite 208, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 892-0028.

Matthew Stalker is licensed to practice in Texas (license number M4564) 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 1669490090.

Contact Information

Matthew Stalker, MD
311 Camden St, Suite 208,
San Antonio, TX 78215-2012
(210) 892-0028
(210) 455-0169

Map and Direction




Physician's Profile

Full NameMatthew Stalker
GenderMale
SpecialityDiagnostic Radiology
Experience26 Years
Location311 Camden St, San Antonio, 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:
  • Matthew Stalker attended and graduated from Creighton University School Of Medicine in 2000
  NPI Data:
  • NPI Number: 1669490090
  • Provider Enumeration Date: 07/17/2006
  • Last Update Date: 08/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 9739114349
  • Enrollment ID: I20181214001592

Medical Identifiers

Medical identifiers for Matthew Stalker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669490090NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 036144474 (Illinois)Secondary
2085R0202XRadiology - Diagnostic Radiology 2025021784 (Missouri)Secondary
2085R0202XRadiology - Diagnostic Radiology M4564 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Good Samaritan Regional Hlth CenterMount vernon, ILHospital
Ssm Health St Mary's Hospital -centraliaCentralia, ILHospital
Deaconess Illinois Medical CenterMarion, ILHospital
Fairfield Memorial Hospital 1Fairfield, ILHospital
Ferrell Hospital Community FoundationsEldorado, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Good Samaritan Regional Health Center1658272059155
Blessing Hospital3072422534414
Crawford Hospital District771989807171
Specialists In Medical Imaging Sc2163733544228
St Marys Hospital Centralia Illinois6709788920118
County Of Clay004210198277
Blessing Hospital3072422534414

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. Matthew Stalker allows following entities to bill medicare on his behalf.
Entity NameGood Samaritan Regional Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487758801
PECOS PAC ID: 1658272059
Enrollment ID: O20040119000325
Entity NameSt Marys Hospital Centralia Illinois
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770687196
PECOS PAC ID: 6709788920
Enrollment ID: O20040127000118
Entity NameMount Sinai Community Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376715896
PECOS PAC ID: 5991600405
Enrollment ID: O20040202001032
Entity NameCrawford Hospital District
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861423287
PECOS PAC ID: 7719898071
Enrollment ID: O20040205000950
Entity NameCrawford Hospital District
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1265493720
PECOS PAC ID: 7719898071
Enrollment ID: O20061104000700
Entity NameCounty of Clay
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1184655136
PECOS PAC ID: 0042101982
Enrollment ID: O20071220000378
Entity NameSpecialists in Medical Imaging, SC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841687951
PECOS PAC ID: 2163733544
Enrollment ID: O20150626000251
Entity NameBlessing Hospital
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1114471737
PECOS PAC ID: 3072422534
Enrollment ID: O20161005001836
Entity NameBasha Diagnostics P C
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770693798
PECOS PAC ID: 5890681746
Enrollment ID: O20170608002045
Entity NameRadiology Alliance PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861478489
PECOS PAC ID: 1850280470
Enrollment ID: O20171120003526
Entity NameCounty of Clay
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1184655136
PECOS PAC ID: 0042101982
Enrollment ID: O20180801002178
Entity NameSmi Imaging LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972004489
PECOS PAC ID: 3476696220
Enrollment ID: O20181212002794
Entity NameHoward Simon MD PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659930998
PECOS PAC ID: 7214369966
Enrollment ID: O20191118002405
Entity NameAdi Radiology PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083266761
PECOS PAC ID: 7911236427
Enrollment ID: O20230919001820
Entity NameMiddle Tennessee Imaging LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770667289
PECOS PAC ID: 5698743706
Enrollment ID: O20250205001655

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. Matthew Stalker 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
Matthew Stalker, MD
311 Camden St, Suite 208,
San Antonio, TX 78215-2012

Ph: (210) 892-0228		Matthew Stalker, MD
311 Camden St, Suite 208,
San Antonio, TX 78215-2012

Ph: (210) 892-0028

Reviews and Comments


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Dr. Gladys S. Sepulveda, M.D.
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Phone: 210-616-7700    

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