Gabriel Nieves, MD
NPI 1275113318 · Student in an Organized Health Care Education/Training Program · Merrimack, NH
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabriel Nieves, MD is a Student in an Organized Health Care Education/Training Program provider in Merrimack, NH (NPI 1275113318).
Provider details
- NPI number
- 1275113318
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 29 | 11 |
| Trazodone Hcl | 27 | 12 |
| Quetiapine Fumarate | 26 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 22 | — |
| Aripiprazole | 21 | — |
| Sertraline Hcl | 17 | — |
| Lamotrigine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
Registry dates
- Enumerated
- 2021-04-13
- Last updated
- 2021-04-13
- Certified
- 2021-03-26
Frequently asked questions
- What is Gabriel Nieves's NPI number?
- Gabriel Nieves's National Provider Identifier (NPI) is 1275113318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabriel Nieves's specialty?
- Gabriel Nieves is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Gabriel Nieves located?
- Gabriel Nieves's practice location on file with NPPES is 10 Dumas Ln, Merrimack, NH 03054-2431.
- What is Gabriel Nieves's phone number?
- The practice phone number listed in the NPPES registry for Gabriel Nieves is (787) 637-9428.
- Does Gabriel Nieves accept Medicare?
- Gabriel Nieves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabriel Nieves's NPI active?
- Yes — Gabriel Nieves's NPI (1275113318) is active in the NPPES registry as of the last update on 2021-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.