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

Mr. John Bernard Fiddler, NP

Individual provider Adult Health Clinical Nurse Specialist · NPI 1710154760

Mr. John Bernard Fiddler, NP is an Adult Health Clinical Nurse Specialist in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

1770 Madison Ave Fl 1
New York, NY 10035-4787
Phone: (212) 402-6107
Fax: (212) 824-2313
Show map & directions

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

Specialties & licences

Adult Health Clinical Nurse Specialist (primary) Taxonomy 364SA2200X · Licence F304117-1 (NY)

Record details

NPI number1710154760
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorYes
NPI enumeratedMay 9, 2008
Last updated in NPPESMay 2, 2025
Certification dateMay 2, 2025

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