Jennifer L. Hillstrom, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Hillstrom, 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. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)376 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)355 services
3. Heart muscle strain imaging (93356)144 services
4. 3d radiographic procedure (76376)124 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)107 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 disease55%
• Arthritis47%
• Heart failure47%
• Atrial fibrillation42%

Hospitals where Jennifer L. Hillstrom works

Medicare's Facility Affiliation Data lists Jennifer L. Hillstrom 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.

• MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
• MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200021
• MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 201315
• Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200008
• The Memorial HospitalNorth Conway, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301307

Practice locations

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

• 1 Medical Ctr DrBiddeford, ME 04005
• 22 Bramhall StPortland, ME 04102
• 93 Campus AveLewiston, ME 04240 (207) 777‑4420
• 96 Campus DrScarborough, ME 04074 (207) 885‑9905
• 96 Campus Dr, Suite 100Scarborough, ME 04074 (207) 396‑7500

Group practices

Medicare enrollment lists Jennifer L. Hillstrom as a member of these groups (CMS data updated October 2, 2026).

• MaineHealth2,633 clinicians in the group
• St Marys Regional Medical Center198 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Maine →

Other cardiologists in Biddeford

Clinicians with the same Medicare primary specialty in Biddeford, ME — not a recommendation.

• Mohamad N. Al-Otaibi, MD
• Jaidip Chakravartti, MD
• Andrew K. Geissler, DO
• Christopher P. Blomberg, DO
• Jeremy R. Estrada, MD
• Peter L. Kennel, MD
• Thomas J. Nero, MD
• Howard B. Sherman, MD

All cardiologists in Biddeford →

Other clinicians in MaineHealth

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

• Kristin Hughes, CNA
• Timothy C. Obrien
• Mark P. Bouchard, MD
• Colby A. Wyatt, MD
• Anna Kaletina
• Stephen P. Sanders, 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