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Family Practice

Jennifer Sparks

Works at hospitals in Lawrence, MA · Massachusetts

Summary

Jennifer Sparks is a family doctor at 34 Haverhill St, Lawrence, MA 01841. Phone: (978) 686-0090. Accepts Medicare assignment. In 2024, Jennifer Sparks had 18 Original Medicare patients and 23 services. NPI 1972642981. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 34 Haverhill St, Lawrence, MA 01841 · Directions
  • Phone: (978) 686‑0090
  • Medicare: Accepts Medicare assignment
  • Hospital: Merrimack Health Lawrence Hospital
  • Group practice: Greater Lawrence Family Health Center Inc
  • Medical school: University Of South Florida College Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer Sparks, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer Sparks accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer Sparks 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 Jennifer Sparks see?
In 2024, CMS data shows 18 Original Medicare patients and 23 services for Jennifer Sparks. This counts Original Medicare only and measures volume, not quality.
What is Jennifer Sparks's NPI number?
1972642981. 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 Jennifer Sparks, 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 patients18
Services billed to Medicare23
Different services or procedures6
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. 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 pressure75%
  • Diabetes75%

Hospitals where Jennifer Sparks works

Medicare's Facility Affiliation Data lists Jennifer Sparks 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.

Practice locations

Addresses where Jennifer Sparks is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer Sparks as a member of this group (CMS data updated October 2, 2026).

  • Greater Lawrence Family Health Center Inc122 clinicians in the group

Specialties

Find other Family Practice doctors in Massachusetts →

Other family doctors in Lawrence

Clinicians with the same Medicare primary specialty in Lawrence, MA — not a recommendation.

All family doctors in Lawrence →

Other clinicians in Greater Lawrence Family Health Center Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolUniversity Of South Florida College Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972642981
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians