Gabriel Alfonso Nieves, MD
Student in an Organized Health Care Education/Training Program · Merrimack, NH
Gabriel Alfonso Nieves, MD is a student in an organized health care education/training program with a practice address in Merrimack, New Hampshire, and NPI 1275113318, issued on Apr 13, 2021. Check the license with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gabriel Alfonso Nieves
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 10 Dumas LN, Merrimack, NH 03054
- Phone
- (787) 637-9428
- Enumerated
- Apr 13, 2021
- Record last updated
- Apr 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 929 in New Hampshire → Look up another NPI →
Verify Gabriel Alfonso Nieves in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
448 Medicare Part D claims for 78 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Olanzapine29 claims
- Trazodone Hcl27 claims
- Quetiapine Fumarate26 claims
- Dextroamphetamine-Amphetamine22 claims
- Aripiprazole21 claims
- Lamotrigine17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21.28
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gabriel Alfonso Nieves among 929 student in an organized health care education/training program records in New Hampshire
Gabriel Alfonso Nieves, MD is one of 929 student in an organized health care education/training program records with a practice address in New Hampshire. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 19% of them.
- NPI issued2021 · 19% of these records are older, 75% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2021 · 21% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 student in an organized health care education/training program records list a practice address in Merrimack
They are 3 of the 270 NPPES records with a practice address in Merrimack, and 929 student in an organized health care education/training program records in New Hampshire.
All 929 in New Hampshire → Every provider in Merrimack → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Andrew DegregorioMerrimack, NH 030541063981116
- Sine MontacerMerrimack, NH 030541265399497
- Claudia FordinLondonderry, NH 030531386447480
- Nadine Herard, MSMilford, NH 030551700068822
- Leighann CamposLitchfield, NH 030521487474474
- Monica Lukitsch, PAHudson, NH 030511023757887
- Kendall NangleHudson, NH 030511114819190
- Natalie TurcotteHudson, NH 030511205635166
Common questions
What is Gabriel Alfonso Nieves, MD's NPI number?
Gabriel Alfonso Nieves, MD's National Provider Identifier (NPI) is 1275113318, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel Alfonso Nieves, MD located?
The NPPES record lists a practice address at 10 Dumas LN, Merrimack, NH, 03054. Phone: (787) 637-9428. Providers update this record themselves, so call before visiting.
How can I verify Gabriel Alfonso Nieves, MD's license?
Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Gabriel Alfonso Nieves, MD prescribe under Medicare Part D?
In 2024, Gabriel Alfonso Nieves, MD had 448 Medicare Part D claims for 78 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.