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DR. GREGORY ALLEN HINRICHSEN PHD
NPI 1609996685
Psychologist - Adult Development & Aging in New York, NY

Active since March 31, 2007PECOS Enrolled
200 W 16TH ST, 5B, NEW YORK, NY 10011(212) 989-7239 Get Directions Write a Review

NPPES record last updated: October 13, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gregory Allen Hinrichsen Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY ALLEN HINRICHSEN PHD (NPI 1609996685) is an individual adult development & aging provider in New York, New York, licensed in New York (007772-1) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609996685
Entity TypeIndividualMale
Primary Taxonomy103TA0700X
Provider Legal NameDR. GREGORY ALLEN HINRICHSENCredential: PHD
Location Address200 W 16TH ST, 5BNew York, NY 10011-6165
Mailing Address200 W 16th St, 5bNew York, NY 10011-6165 · (212) 989-7239
Phone(212) 989-7239
Sole ProprietorYes
Enumeration DateMarch 31, 2007
Last NPPES UpdateOctober 13, 2011
✔ NPI 1609996685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Adult Development & AgingBehavioral Health & Social Service Providers
Taxonomy Code103TA0700X
License✔ Licensed in NY · 007772-1
Definition
A psychologist who specializes in geropsychology, which applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life. Professional geropsychology appreciates the wide diversity among older adults, the complex ethical issues that can arise in geriatric practice and the importance of interdisciplinary models of care.
200 W 16TH ST, New York, NY 10011
Open in Google Maps ↗

Other Identifiers 3

Medicare PIN25588
Medicare UPINR27865
Medicaid01350921NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Allen Hinrichsen Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Hinrichsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Icahn School Of Medicine At Mount Sinai
4.2 mi
Geriatric Medicine
1440 MADISON AVE
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 168 clinicians in this Medicare group
NPI 1689947160 (212) 658-8552

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
110 services18 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
103 services20 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
30 services13 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
26 services26 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
25 services14 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
22 services13 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. OLGA BEATRIZ GONZALEZ LAC., MSTOM
Acupuncturist
200 W 16TH ST, #3F
NEW YORK, NY 10011
New York County (212) 989-6345

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Hinrichsen's NPI number?

The NPI number for Gregory Hinrichsen is 1609996685. It was assigned to this individual provider in the NPPES registry on March 31, 2007.

Where is Gregory Hinrichsen located?

Gregory Hinrichsen practices at 200 W 16th St 5B, New York, NY 10011. The listed phone number is (212) 989-7239.

What is Gregory Hinrichsen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Adult Development & Aging, with taxonomy code 103TA0700X.

Is Gregory Hinrichsen enrolled in Medicare?

Yes. Gregory Hinrichsen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Hinrichsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Hinrichsen reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Hinrichsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Hinrichsen was last updated on October 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.