Dr John Charles Rayfield, MD - Medicare Emergency Medicine in San Antonio, TX

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Dr John Charles Rayfield, MD is a medicare enrolled "Emergency Medicine" physician in San Antonio, Texas. His current practice location is 3406 Mont Blanc, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 408-1196.

Dr John Charles Rayfield is licensed to practice in Texas (license number L5884) 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 1972594588.

Contact Information

Dr John Charles Rayfield, MD
3406 Mont Blanc,
San Antonio, TX 78258
(210) 408-1196
Not Available

Map and Direction




Physician's Profile

Full NameDr John Charles Rayfield
GenderMale
SpecialityEmergency Medicine
Location3406 Mont Blanc, San Antonio, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1972594588
  • Provider Enumeration Date: 11/02/2005
  • Last Update Date: 10/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1052305406
  • Enrollment ID: I20040409000296

Medical Identifiers

Medical identifiers for Dr John Charles Rayfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972594588NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine L5884 (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. Dr John Charles Rayfield allows following entities to bill medicare on his behalf.
Entity NameTravis County Emergency Physicians Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962440933
PECOS PAC ID: 0840289468
Enrollment ID: O20040510000492
Entity NameE-merge Physicians, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144649252
PECOS PAC ID: 3779707765
Enrollment ID: O20140613000297
Entity NameFloresville Emergency Physicians Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194237867
PECOS PAC ID: 1759614670
Enrollment ID: O20190610000108
Entity NameSchertz-cibolo Emergency Physicians, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619347895
PECOS PAC ID: 2264856814
Enrollment ID: O20200716000378
Entity NameProcare Emergency Physicians Schertz Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831841436
PECOS PAC ID: 8325434319
Enrollment ID: O20220330002202
Entity NameEmergency Medicine Services Of Tx Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245938729
PECOS PAC ID: 3375909351
Enrollment ID: O20230517001124

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. Dr John Charles Rayfield 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
Dr John Charles Rayfield, MD
3406 Mont Blanc,
San Antonio, TX 78258-1622

Ph: (210) 408-1196		Dr John Charles Rayfield, MD
3406 Mont Blanc,
San Antonio, TX 78258

Ph: (210) 408-1196

Reviews and Comments


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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.