Jessica L. Flakker, PA

Medicare activity in 2024

Official CMS public-use data for Jessica L. Flakker, 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.

Most frequent services

1. Coronary artery bypass using artery graft, 1 graft (33533)34 services
2. Surgical removal of piece of sac covering heart for drainage (33025)24 services
3. Coronary artery bypass using vein or artery graft, 2 grafts (33518)19 services
4. Harvest of vein using an endoscope (33508)16 services
5. Replacement of aortic valve on heart-lung machine (33405)12 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 cholesterol75%
• Ischemic heart disease75%
• Chronic kidney disease73%
• Heart failure67%
• Atrial fibrillation61%

Hospitals where Jessica L. Flakker works

Medicare's Facility Affiliation Data lists Jessica L. Flakker 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.

• Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015

Practice locations

Addresses where Jessica L. Flakker is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Madison AveMorristown, NJ 07960 (973) 971‑5596

Group practices

Medicare enrollment lists Jessica L. Flakker as a member of this group (CMS data updated October 2, 2026).

• Practice Associates Medical Group1,408 clinicians in the group

Specialties

• Physician Assistantprimary

Find other clinicians: Physician Assistant, New Jersey →

Other physician assistants in Morristown

Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.

• Roxanne Smith, PA
• Rizwanur Kaleel, PA
• Michelle Haiduc Dale, PA
• Angelique Wygonowski, PA
• Jeanine L. Bossart, PA
• Katherine Goodwin, PA
• Leonard Vanderhorn, PA
• Ordith Coleman, PA

All physician assistants in Morristown →

Other clinicians in Practice Associates Medical Group

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

• Christopher Marnell, MD
• Roxanne Smith, PA
• Matthew Altieri, DO
• Xiaolin Yu, MD
• Vivian V. Mishan, MD
• Kenneth D. Barofsky, MD

Clinician information

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