Jennifer C. McKenna, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer C. McKenna, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)68 services
2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)25 services
3. Complete ultrasound scan of pelvis (76856)22 services
4. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)21 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)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 cholesterol54%
• Arthritis45%
• High blood pressure42%
• Anxiety30%
• Osteoporosis21%
• Chronic kidney disease20%

Hospitals where Jennifer C. McKenna works

Medicare's Facility Affiliation Data lists Jennifer C. McKenna 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 Pen Bay HospitalRockport, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200063
• MaineHealth Waldo HospitalBelfast, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201312

Practice locations

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

• 22 Bramhall StPortland, ME 04102
• 3 Glen Cove DrRockport, ME 04856
• 6 Glen Cove DrRockport, ME 04856

Group practices

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

• MaineHealth2,633 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in Maine →

Other OB-GYNs in Portland

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

• Laura S. Irwin, MD
• Joanna M. Wawrzycki, MD
• Katherine H. Campbell, MD
• Jessie N. Burkhartzmeyer Huff, DO
• Rebecca D. Whiteley, MD
• Rosa Mojdehi, MD
• Kelly M. Nichols, MD
• Christopher W. Conlan, MD

All OB-GYNs in Portland →

Other clinicians in MaineHealth

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

• Amelia R. Winter, MD
• Melissa M. Ifantides, DO
• Elizabeth A. Smith, CNA
• Karen Stoughton
• Juan M. Palma Vargas, MD
• James C. Lancaster, 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