John Rayfield, MD
NPI 1972594588 · Emergency Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Rayfield, MD is a Emergency Medicine Physician provider in San Antonio, TX (NPI 1972594588).
Provider details
- NPI number
- 1972594588
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L5884 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 401 E Milam StMexia, TX 76667-2329Phone: (254) 562-2500
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2024-10-03
- Certified
- 2024-10-03
Frequently asked questions
- What is John Rayfield's NPI number?
- John Rayfield's National Provider Identifier (NPI) is 1972594588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Rayfield's specialty?
- John Rayfield is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Rayfield located?
- John Rayfield's practice location on file with NPPES is 3406 Mont Blanc, San Antonio, TX 78258.
- What is John Rayfield's phone number?
- The practice phone number listed in the NPPES registry for John Rayfield is (210) 408-1196.
- Does John Rayfield accept Medicare?
- John Rayfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Rayfield's NPI active?
- Yes — John Rayfield's NPI (1972594588) is active in the NPPES registry as of the last update on 2024-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.