DR. JOHN CHARLES RAYFIELD MD
NPI 1972594588
Emergency Medicine in San Antonio, TX
About Dr. John Charles Rayfield Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CHARLES RAYFIELD MD (NPI 1972594588) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (L5884) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Mexia.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Charles Rayfield Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show John Rayfield reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Mexia, TX 76667
- Reassigned Medicare billing, Texas enrollment
- 15 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78258 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Rayfield's NPI number?
The NPI number for John Rayfield is 1972594588. It was assigned to this individual provider in the NPPES registry on November 2, 2005.
Where is John Rayfield located?
John Rayfield practices at 3406 Mont Blanc, San Antonio, TX 78258. The listed phone number is (210) 408-1196.
What is John Rayfield's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Rayfield enrolled in Medicare?
Yes. John Rayfield is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Rayfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Rayfield reassigns Medicare benefits to 3 organizations: Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Travis County Emergency Physicians PA (Austin, TX) and Arete Urgent Care, PLLC (Mexia, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Rayfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Rayfield accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Harbor Health and Sendero Health Plans, Local Nonprofit list John Rayfield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Rayfield was last updated on October 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John Charles Rayfield, MD · NPI 1972594588
Emergency Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since November 2, 2005.
## Identity
- **NPI:** 1972594588 (Entity type: Individual)
- **Enumerated:** November 2, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** L5884 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3406 MONT BLANC, San Antonio, TX 78258
- **Phone:** (210) 408-1196
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX); Arete Urgent Care, PLLC (NPI 1578861639, Mexia, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 3, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1972594588) · Data from the CMS NPPES public registry.