Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ignacio Federico Fernandez Nievas, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1639363708

Dr. Ignacio Federico Fernandez Nievas, MD is a Critical Care (Intensivists) in St Petersburg, Florida. Qualified in 1989, 37 years ago. Practices with Pediatric Physician Services, Inc, a 192-clinician group and accepts Medicare assignment. Licensed in Florida and Tennessee.

Years since qualifying
37
Licensed in
FL, TN
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

501 6th Ave S
St Petersburg, FL 33701-4634
Phone: (727) 767-4343
Fax: (727) 767-4331
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence ME146693 (FL)
Pediatric Critical Care Medicine Physician Taxonomy 2080P0203X · Licence 45253 (TN)

Record details

NPI number1639363708
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2007
Last updated in NPPESMay 3, 2022
Certification dateMay 3, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Pediatric Physician Services, Inc. — 192 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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