Matthew Stalker, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

M4564 Issued in TX

Practice address

311 Camden St
Suite 208
San Antonio, TX 78215-2012

Phone

(210) 892-0028

Fax

(210) 455-0169

NPI assigned

Jul 17, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MI, IL, MO3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Diagnostic Radiology

Education

Creighton University School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Good Samaritan Regional Health CenterGroup PAC ID 1658272059, 155 clinicians

Blessing HospitalGroup PAC ID 3072422534, 414 clinicians

Crawford Hospital DistrictGroup PAC ID 7719898071, shared by 8 NPIs, 71 clinicians

Specialists in Medical Imaging SCGroup PAC ID 2163733544, 228 clinicians

St Marys Hospital Centralia IllinoisGroup PAC ID 6709788920, 118 clinicians

County of ClayGroup PAC ID 0042101982, 77 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Good Samaritan Regional HLTH Center Hospital, Mount Vernon, IL, CCN 140046
• SSM Health St Mary'S Hospital -Centralia Hospital, Centralia, IL, CCN 140034
• Heartland Regional Medical Center Hospital, Marion, IL, CCN 140184
• Fairfield Memorial Hospital 1 Hospital, Fairfield, IL, CCN 141311
• Ferrell Hospital Community Foundations Hospital, Eldorado, IL, CCN 141324

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.blessinghospital.com/R4/open-Prod

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Blessing Hospital

  • Multi-Specialty Clinic/Center
  • Quincy, IL
  • NPI 1114471737

  MO

  Medicare reassignment Care Compare group NPD
• County of Clay

  • Critical Access Hospital
  • Flora, IL
  • NPI 1184655136
  Medicare reassignment Care Compare group NPD
• Good Samaritan Regional Health Center

  • Emergency Medicine Physician
  • Mount Vernon, IL
  • NPI 1487758801

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Specialists in Medical Imaging, SC

  • Diagnostic Radiology Physician
  • Olympia Fields, IL
  • NPI 1841687951
  Medicare reassignment Care Compare group NPD
• St. Mary'S Hospital, Centralia, Illinois

  • Emergency Medicine Physician
  • Centralia, IL
  • NPI 1770687196

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Basha Diagnostics P C

  • Diagnostic Radiology Physician
  • Royal Oak, MI
  • NPI 1770693798

  IL

  Medicare reassignment NPD
• Crawford Hospital District

  • Critical Access Hospital
  • Robinson, IL
  • NPI 1265493720
  Medicare reassignment NPD
• Crawford Hospital District

  • Internal Medicine Physician
  • Robinson, IL
  • NPI 1861423287
  Medicare reassignment NPD
• Howard Simon MD PLLC

  • Diagnostic Radiology Physician
  • Chicago, IL
  • NPI 1659930998
  Medicare reassignment NPD
• Middle Tennessee Imaging LLC

  • Diagnostic Radiology Physician
  • Dickson, TN
  • NPI 1770667289

  IL

  Medicare reassignment NPD
• Mount Sinai Community Foundation

  • Rehabilitation Hospital
  • Chicago, IL
  • NPI 1376715896
  Medicare reassignment NPD
• Radiology Alliance PC

  • Diagnostic Radiology Physician
  • Nashville, TN
  • NPI 1861478489

  IL

  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Deaconess Regional Healthcare Services Illinois Inc

  • General Acute Care Hospital
  • Marion, IL
  • NPI 1750007266
  Care Compare affiliation
• Fairfield Memorial Hospital Association

  • Critical Access Hospital
  • Fairfield, IL
  • NPI 1255422416
  Care Compare affiliation
• Ferrell Hospital Community Foundation

  • Rural Health Clinic/Center
  • Carmi, IL
  • NPI 1134650997

  Hospital

  Care Compare affiliation
• Ferrell Hospital Community Foundation

  • Rural Health Clinic/Center
  • Harrisburg, IL
  • NPI 1184202392

  Hospital

  Care Compare affiliation
• Ferrell Hospital Community Foundation

  • Critical Access Hospital
  • Eldorado, IL
  • NPI 1194713404
  Care Compare affiliation
• Ferrell Hospital Community Foundation

  • Rural Health Clinic/Center
  • Eldorado, IL
  • NPI 1457586620

  Hospital

  Care Compare affiliation
• Ferrell Hospital Community Foundation

  • Rural Health Clinic/Center
  • MC Leansboro, IL
  • NPI 1689217820

  Hospital

  Care Compare affiliation
• Ferrell Hospital Community Foundation

  • Rural Health Clinic/Center
  • Eldorado, IL
  • NPI 1700011046

  Hospital

  Care Compare affiliation
• Good Samaritan Regional Health Center

  • General Acute Care Hospital
  • Mount Vernon, IL
  • NPI 1609897339
  Care Compare affiliation
• St Mary'S Hospital, Centralia, Illinois

  • General Acute Care Hospital
  • Centralia, IL
  • NPI 1083617245
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1669490090",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "311 CAMDEN ST",
            "address_2": "SUITE 208",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782152012",
            "telephone_number": "210-892-0228",
            "fax_number": "210-455-0169"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "311 CAMDEN ST",
            "address_2": "SUITE 208",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782152012",
            "telephone_number": "210-892-0028",
            "fax_number": "210-455-0169"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STALKER",
        "first_name": "MATTHEW",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036144474",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MO",
            "license": "2025021784",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "M4564",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pearl Zehua Stahler, AGACNP-BC
• Sarah Stahlman, PHARM.D.
• Alisha Marie Stai, LMSW
• Moira Stai
• Ralph Staley Jr., FIRST ASSISTANT
• Paul Imannuel Stallings, PHARM D.
• Kenneth John Stallman, M.D.
• Christian L Stallworth, MD
• Christine Louise Stambaugh, HWC
• James R Stamp

• Diagnostic Radiology Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Diagnostic Radiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.