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Physician Assistant

Jennifer K. Jacobus

Works at hospitals in Boston, MA · Salem, MA · Massachusetts

Summary

Jennifer K. Jacobus is a physician assistant at 170 Governors Ave, Medford, MA 02155. Phone: (781) 395-4909. Accepts Medicare assignment. In 2024, Jennifer K. Jacobus had 429 Original Medicare patients and 870 services. NPI 1518290139. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer K. Jacobus, 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 K. Jacobus accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer K. Jacobus 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 K. Jacobus see?
In 2024, CMS data shows 429 Original Medicare patients and 870 services for Jennifer K. Jacobus. This counts Original Medicare only and measures volume, not quality.
What is Jennifer K. Jacobus's NPI number?
1518290139. 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 K. Jacobus, 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 patients429
Services billed to Medicare870
Different services or procedures49
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Fine needle aspiration biopsy using ultrasound guidance, first growth (10005)135 services
  2. Fluoroscopic guidance for insertion or removal of central vein access device (77001)93 services
  3. Drainage of fluid from abdominal cavity using imaging guidance (49083)87 services
  4. Ultrasonic guidance for blood vessel access (76937)73 services
  5. Aspiration of fluid from chest cavity using imaging guidance (32555)70 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%
  • High cholesterol74%
  • Arthritis50%
  • Anxiety38%
  • Chronic kidney disease38%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)35%

Hospitals where Jennifer K. Jacobus works

Medicare's Facility Affiliation Data lists Jennifer K. Jacobus 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 K. Jacobus is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mass General Brigham Community Physicians Inc428 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Medford

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

All physician assistants in Medford →

Other clinicians in Mass General Brigham Community Physicians Inc

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

Clinician information

SchoolPhiladelphia College Of Osteopathic Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518290139
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