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

Dr. Gregory Allen Hinrichsen, PHD

Individual provider Adult Development & Aging Psychologist · NPI 1609996685

Dr. Gregory Allen Hinrichsen, PHD is an Adult Development & Aging Psychologist in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
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

200 W 16th St 5B
New York, NY 10011-6165 Not confirmed with CMS for 14 years — call before visiting
Phone: (212) 989-7239
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Development & Aging Psychologist (primary) Taxonomy 103TA0700X · Licence 007772-1 (NY)

Record details

NPI number1609996685
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 31, 2007
Last updated in NPPESOctober 13, 2011

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients53
Services billed 353 a service is one billed item, such as a visit, a test or a procedure
Average patient age82

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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