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

Ari Feldstein, PHD

Individual provider Specialist · NPI 1548010812

Ari Feldstein, PHD is a Specialist in Baltimore, Maryland. Practices as a sole proprietor. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

4 Farringdon Ct
Baltimore, MD 21209-2508
Phone: (443) 562-1616
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X

Record details

NPI number1548010812
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 27, 2024
Last updated in NPPESMarch 27, 2024
Certification dateMarch 26, 2024
Mailing address4 Farringdon Ct, Baltimore, MD 21209-2508

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