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

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1255909941

Michael Grunstein is a Student in an Organized Health Care Education/Training Program in New Haven, Connecticut. Practices as a sole proprietor and works from 3 locations. Registered with an NPI since 2021.

In the registry since
2021
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Practice location Address checks out

20 York St
New Haven, CT 06510-3220
Phone: (203) 688-4242
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 300 Community Dr, Manhasset, NY 11030-3816 — (516) 562-0100
  • 707 E. Main Medical Center, Middletown, NY 10940 — (453) 337-3738

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1255909941
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 17, 2021
Last updated in NPPESAugust 20, 2025
Certification dateAugust 20, 2025

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