Thomas Schroyer, MD - Medicare Diagnostic Radiology in Saint Louis, MO

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Thomas Schroyer, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Saint Louis, Missouri. He went to University Of Missouri, Kansas City, School Of Medicine and graduated in 1999 and has 27 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Ernst Radiology Clinic Inc, Ernst Radiology Clinic, Inc, Ernst Radiology Clinic Inc, Ernst Radiology Clinic, Inc and his current practice location is 9930 Watson Rd, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 984-8827.

Thomas Schroyer is licensed to practice in Missouri (license number 2001028203) 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 1306827829.

Contact Information

Thomas Schroyer, MD
9930 Watson Rd,
Saint Louis, MO 63126-1827
(314) 984-8827
(314) 984-0736

Map and Direction




Physician's Profile

Full NameThomas Schroyer
GenderMale
SpecialityDiagnostic Radiology
Experience27 Years
Location9930 Watson Rd, Saint Louis, Missouri
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:
  • Thomas Schroyer attended and graduated from University Of Missouri, Kansas City, School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1306827829
  • Provider Enumeration Date: 11/10/2005
  • Last Update Date: 08/14/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4981678349
  • Enrollment ID: I20060606000264

Medical Identifiers

Medical identifiers for Thomas Schroyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306827829NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 036105946 (Illinois)Secondary
2085R0202XRadiology - Diagnostic Radiology 2001028203 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ssm Health Depaul Hospital St LouisBridgeton, MOHospital
Ssm Health St Clare Hospital - FentonFenton, MOHospital
Good Samaritan Regional Hlth CenterMount vernon, ILHospital
Ssm Health St Mary's Hospital -centraliaCentralia, ILHospital
Ssm Health St Mary's Hospital - St LouisRichmond heights, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ernst Radiology Clinic Inc226482963916
Ernst Radiology Clinic, Inc296148836620
Ernst Radiology Clinic Inc226482963916
Ernst Radiology Clinic, Inc296148836620

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. Thomas Schroyer allows following entities to bill medicare on his behalf.
Entity NameOSF Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279
Entity NameErnst Radiology Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699425462
PECOS PAC ID: 2264829639
Enrollment ID: O20220504000429
Entity NameErnst Radiology Clinic, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629000971
PECOS PAC ID: 2961488366
Enrollment ID: O20230405001960

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. Thomas Schroyer 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
Thomas Schroyer, MD
Po Box 23340,
Saint Louis, MO 63156-3340

Ph: (314) 851-1075		Thomas Schroyer, MD
9930 Watson Rd,
Saint Louis, MO 63126-1827

Ph: (314) 984-8827

Reviews and Comments


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Dr. Adrian Alberto Sanchez, MD
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Dr. Ziad Walid Tarcha, MD
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Phone: 314-362-7200    Fax: 314-747-4189

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.