Quick answers
- Does Chelsea Harris accept Medicare assignment?
- Yes. Medicare's clinician data says Chelsea Harris 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 Chelsea Harris see?
- In 2024, CMS data shows 19 Original Medicare patients and 26 services for Chelsea Harris. This counts Original Medicare only and measures volume, not quality.
- What is Chelsea Harris's NPI number?
- 1164803185. 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 Chelsea Harris, 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 | 19 |
|---|---|
| Services billed to Medicare | 26 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 64 |
Most frequent services
- Hemoglobin a1c level, by device for home use (83037)13 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 blood pressure63%
- Diabetes63%
Hospitals where Chelsea Harris works
Medicare's Facility Affiliation Data lists Chelsea Harris 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.
- 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 Chelsea Harris is enrolled with Medicare (CMS data updated October 2, 2026).
- 34 Haverhill StLawrence, MA 01841 (978) 686‑0090
Group practices
Medicare enrollment lists Chelsea Harris as a member of this group (CMS data updated October 2, 2026).
- Greater Lawrence Family Health Center Inc122 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Lawrence
Clinicians with the same Medicare primary specialty in Lawrence, MA — not a recommendation.
Other clinicians in Greater Lawrence Family Health Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164803185 |
| 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