Gregory Hinrichsen, PHD
NPI 1609996685 · Adult Development & Aging Psychologist · New York, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Hinrichsen, PHD is a Adult Development & Aging Psychologist provider in New York, NY (NPI 1609996685).
Provider details
- NPI number
- 1609996685
- Entity type
- Individual
- Primary specialty
- Adult Development & Aging PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 007772-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
332 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy, 1 Hour90837 | 110 | $142 |
| Psychotherapy, 1 Hour90837 | 103 | $142 |
| Psychotherapy, 45 Minutes90834 | 30 | $96 |
| Psychiatric Diagnostic Evaluation90791 | 26 | $158 |
| Psychotherapy, 45 Minutes90834 | 25 | $96 |
| Psychotherapy, 30 Minutes90832 | 22 | $73 |
| Psychiatric Diagnostic Evaluation90791 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-31
- Last updated
- 2011-10-13
Frequently asked questions
- What is Gregory Hinrichsen's NPI number?
- Gregory Hinrichsen's National Provider Identifier (NPI) is 1609996685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hinrichsen's specialty?
- Gregory Hinrichsen is listed in the NPPES registry with a primary specialty of Adult Development & Aging Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Hinrichsen located?
- Gregory Hinrichsen's practice location on file with NPPES is 200 W 16th St, New York, NY 10011-6165.
- What is Gregory Hinrichsen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hinrichsen is (212) 989-7239.
- Does Gregory Hinrichsen accept Medicare?
- Gregory Hinrichsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Hinrichsen's NPI active?
- Yes — Gregory Hinrichsen's NPI (1609996685) is active in the NPPES registry as of the last update on 2011-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.