Quick answers
- Which hospitals does Hugo E. Lopez Arevalo work at?
- Medicare's official clinician data lists Hugo E. Lopez Arevalo at 1 hospital: Merrimack Health Lawrence Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hugo E. Lopez Arevalo see patients?
- Medicare's clinician data lists 1 practice location in Lawrence, MA. Call before your visit to confirm the address.
- What is Hugo E. Lopez Arevalo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Hugo E. Lopez Arevalo accept Medicare assignment?
- Yes. Medicare's clinician data says Hugo E. Lopez Arevalo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is Hugo E. Lopez Arevalo's NPI number?
- 1144893496. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hugo E. Lopez Arevalo works
Medicare's Facility Affiliation Data lists Hugo E. Lopez Arevalo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · CCN 220010
Practice locations
Addresses where Hugo E. Lopez Arevalo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 General StLawrence, MA 01841
Group practices
Medicare enrollment lists Hugo E. Lopez Arevalo as a member of this group (CMS data updated 2026-10-02).
- Lawrence General Hospital123 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lawrence
Clinicians with the same Medicare primary specialty in Lawrence, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144893496 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians