Quick answers
- Does Laurie A. Merker accept Medicare assignment?
- Yes. Medicare's clinician data says Laurie A. Merker 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 Laurie A. Merker see?
- In 2024, CMS data shows 15 Original Medicare patients and 53 services for Laurie A. Merker. This counts Original Medicare only and measures volume, not quality.
- What is Laurie A. Merker's NPI number?
- 1891371456. 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 Laurie A. Merker, 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 | 15 |
|---|---|
| Services billed to Medicare | 53 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Hospitals where Laurie A. Merker works
Medicare's Facility Affiliation Data lists Laurie A. Merker 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.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
- Melrosewakefield HealthcareMelrose, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220070
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Laurie A. Merker is enrolled with Medicare (CMS data updated October 2, 2026).
- 1350 Market StLynnfield, MA 01940 (781) 213‑4050
- 15 Railroad AveSouth Hamilton, MA 01982 (978) 468‑7381
Group practices
Medicare enrollment lists Laurie A. Merker as a member of this group (CMS data updated October 2, 2026).
- Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Lynnfield
Clinicians with the same Medicare primary specialty in Lynnfield, MA — not a recommendation.
Other clinicians in Beth Israel Lahey Health Primary Care, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891371456 |
| 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