John Guardiola, MD
NPI 1821931403 · Student in an Organized Health Care Education/Training Program · Saint Louis, MO
John Guardiola, MD is a Student in an Organized Health Care Education/Training Program provider in Saint Louis, MO (NPI 1821931403).
Provider details
- NPI number
- 1821931403
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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)
- 5001 El Paso DrEl Paso, TX 79905-2827Phone: (915) 215-4360
Registry dates
- Enumerated
- 2026-04-10
- Last updated
- 2026-04-10
- Certified
- 2026-04-07
Frequently asked questions
- What is John Guardiola's NPI number?
- John Guardiola's National Provider Identifier (NPI) is 1821931403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guardiola's specialty?
- John Guardiola is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is John Guardiola located?
- John Guardiola's practice location on file with NPPES is 12800 Corporate Hill Dr, Saint Louis, MO 63131-1845.
- What is John Guardiola's phone number?
- The practice phone number listed in the NPPES registry for John Guardiola is (314) 617-3751.
- Is John Guardiola's NPI active?
- Yes — John Guardiola's NPI (1821931403) is active in the NPPES registry as of the last update on 2026-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.