Gary Chang, PMHNP
NPI 1033892286 · Psychiatry Physician · Harrison, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Chang, PMHNP is a Psychiatry Physician provider in Harrison, NY (NPI 1033892286).
Provider details
- NPI number
- 1033892286
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- No
- License
- 404449 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 93 | 30 |
| Sertraline Hcl | 79 | 25 |
| Trazodone Hcl | 70 | 32 |
| Zolpidem Tartrate | 62 | 22 |
| Aripiprazole | 56 | 23 |
| Benztropine Mesylate | 52 | 19 |
| Divalproex Sodium | 51 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$540 across 30 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1545 Inwood AveBronx, NY 10452-2001Phone: (914) 734-8600
Registry dates
- Enumerated
- 2023-08-14
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Gary Chang's NPI number?
- Gary Chang's National Provider Identifier (NPI) is 1033892286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Chang's specialty?
- Gary Chang is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Chang located?
- Gary Chang's practice location on file with NPPES is 275 North St, Harrison, NY 10528-1140.
- What is Gary Chang's phone number?
- The practice phone number listed in the NPPES registry for Gary Chang is (203) 576-6000.
- Does Gary Chang accept Medicare?
- Gary Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Chang's NPI active?
- Yes — Gary Chang's NPI (1033892286) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.