Ignacio Fernandez Nievas, MD
NPI 1639363708 · Pediatric Critical Care Medicine Physician · St Petersburg, FL
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ignacio Fernandez Nievas, MD is a Pediatric Critical Care Medicine Physician provider in St Petersburg, FL (NPI 1639363708).
Provider details
- NPI number
- 1639363708
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 45253 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-08-31
- Last updated
- 2022-05-03
- Certified
- 2022-05-03
Frequently asked questions
- What is Ignacio Fernandez Nievas's NPI number?
- Ignacio Fernandez Nievas's National Provider Identifier (NPI) is 1639363708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ignacio Fernandez Nievas's specialty?
- Ignacio Fernandez Nievas is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ignacio Fernandez Nievas located?
- Ignacio Fernandez Nievas's practice location on file with NPPES is 501 6th Ave S, St Petersburg, FL 33701-4634.
- What is Ignacio Fernandez Nievas's phone number?
- The practice phone number listed in the NPPES registry for Ignacio Fernandez Nievas is (727) 767-4343.
- Does Ignacio Fernandez Nievas accept Medicare?
- Ignacio Fernandez Nievas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ignacio Fernandez Nievas's NPI active?
- Yes — Ignacio Fernandez Nievas's NPI (1639363708) is active in the NPPES registry as of the last update on 2022-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.