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

John Haffner, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1285666834

John Haffner, MD is a Pediatric Critical Care Medicine Physician in St Petersburg, Florida. Licensed in Florida. Registered with an NPI since 2006.

Licensed in
FL
In the registry since
2006
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

1033 Dr Martin Luther King Jr St N Ste 108
St Petersburg, FL 33701-1547
Phone: (727) 456-4250
Fax: (727) 346-1044
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence ME70323 (FL)

Record details

NPI number1285666834
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2006
Last updated in NPPESFebruary 3, 2010
Mailing address1033 Dr Martin Luther King Jr St N, Suite 108, St Petersburg, FL 33701-1547

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