Mayra Fernandez Amarat, M.D.
NPI 1861432486 · General Practice Physician · Loiza, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mayra Fernandez Amarat, M.D. is a General Practice Physician provider in Loiza, PR (NPI 1861432486).
Provider details
- NPI number
- 1861432486
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 16426 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 42 |
| Losartan Potassium | 34 |
| Gabapentin | 28 |
| Famotidine | 27 |
| Simvastatin | 21 |
| Hydrochlorothiazide | 18 |
| Temazepam | 17 |
| Atorvastatin Calcium | 16 |
| Furosemide | 15 |
| Insulin Lisprobrand: Humalog |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2018-03-20
Frequently asked questions
- What is Mayra Fernandez Amarat's NPI number?
- Mayra Fernandez Amarat's National Provider Identifier (NPI) is 1861432486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mayra Fernandez Amarat's specialty?
- Mayra Fernandez Amarat is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mayra Fernandez Amarat located?
- Mayra Fernandez Amarat's practice location on file with NPPES is Carr 188 # Int187, Loiza, PR 00772-1850.
- What is Mayra Fernandez Amarat's phone number?
- The practice phone number listed in the NPPES registry for Mayra Fernandez Amarat is (939) 640-7983.
- Does Mayra Fernandez Amarat accept Medicare?
- Mayra Fernandez Amarat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mayra Fernandez Amarat's NPI active?
- Yes — Mayra Fernandez Amarat's NPI (1861432486) is active in the NPPES registry as of the last update on 2018-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.