Sandra Lopez, MD
NPI 1881617124 · General Practice Physician · Arecibo, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Lopez, MD is a General Practice Physician provider in Arecibo, PR (NPI 1881617124).
Provider details
- NPI number
- 1881617124
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 9735 (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
19 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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 94 | 16 |
| Metformin Hcl | 92 | 17 |
| Levothyroxine Sodium | 88 | 15 |
| Lisinopril | 87 | 14 |
| Levothyroxine Sodiumbrand: Synthroid | 86 | 11 |
| Famotidine | 81 | 18 |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sandra Lopez's NPI number?
- Sandra Lopez's National Provider Identifier (NPI) is 1881617124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Lopez's specialty?
- Sandra Lopez is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Lopez located?
- Sandra Lopez's practice location on file with NPPES is Calle Emilio Castelar #51, Arecibo, PR 00612.
- What is Sandra Lopez's phone number?
- The practice phone number listed in the NPPES registry for Sandra Lopez is (787) 878-7492.
- Does Sandra Lopez accept Medicare?
- Sandra Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Lopez's NPI active?
- Yes — Sandra Lopez's NPI (1881617124) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.