Quick answers
- Does Johanna Johanni-Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says Johanna Johanni-Lopez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Johanna Johanni-Lopez see?
- In 2024, CMS data shows 251 Original Medicare patients and 527 services for Johanna Johanni-Lopez. This counts Original Medicare only and measures volume, not quality.
- What is Johanna Johanni-Lopez's NPI number?
- 1497477236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Johanna Johanni-Lopez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 251 |
|---|---|
| Services billed to Medicare | 527 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)132 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)69 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)64 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)48 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure64%
- Arthritis43%
- Anxiety27%
- Diabetes24%
- Depression22%
Hospitals where Johanna Johanni-Lopez works
Medicare's Facility Affiliation Data lists Johanna Johanni-Lopez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Holy Family HospitalMethuen, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220080
- Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220010
Practice locations
Addresses where Johanna Johanni-Lopez is enrolled with Medicare (CMS data updated October 2, 2026).
- 450 Paradise RdSwampscott, MA 01907 (781) 691‑9366
- 50 Dodge St, Suite 104Beverly, MA 01915 (978) 922‑2171
- 60 E St, 2200 Revere Medical Primary Care of MethuenMethuen, MA 01844 (978) 683‑9177
Group practices
Medicare enrollment lists Johanna Johanni-Lopez as a member of these groups (CMS data updated October 2, 2026).
- Revere Medical of Massachusetts PC111 clinicians in the group
- Urgent Care Operations PC41 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Swampscott
Clinicians with the same Medicare primary specialty in Swampscott, MA — not a recommendation.
Other clinicians in Revere Medical of Massachusetts PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497477236 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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