Kathryn Rensenbrink, MD
Kathryn Rensenbrink is an Internal Medicine specialist based in Ellsworth, ME with over 34 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Kathryn Rensenbrink, MD practices as part of a group internist practice in Ellsworth, ME. Trained at University of California, San Francisco School of Medicine (class of 1992), she has been practicing for over 34 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Prescribes opioids less than 42% of reporting doctors in Maine
- Uses generic medications more than 41% of reporting doctors in Maine
- Virtual visits available — no app or travel required
Older · 1949dNPPES updated 2021-01-20 · verify NPI on CMS · Verify license at Maine Board of Licensure in Medicine
Contact & Location
Practice Location
32 Resort Way, Ellsworth, ME 04605-1717
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better2.04%
Maine avg: 5 · US avg: 5.1
✓ Higher than most doctors nationally(-3.1 pts)
Typical range among reporting doctors in Maine2.04% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better85.8%
Maine avg: 82 · US avg: 82.8
✓ Higher than most doctors nationally(+3 pts)
Typical range among reporting doctors in MaineHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
222
Unique beneficiaries
Standard volumePrescription Recipients
583
Patients prescribed
Prescriptions Written
6,583
Total claims
Total Medicare drug cost: $929k
Percentile rankings compared against 387 reporting peers in Maine.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-6%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-11%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+2%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-7%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+6%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1992
University of California, San Francisco School of Medicine
Board certified · Jan 19, 2021
Self-reported via NPPES
34 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of California, San Francisco School of Medicine (Class of 1992)
Virtual Internal Medicine Care With Kathryn Rensenbrink
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Kathryn Rensenbrink for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Ellsworth required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Kathryn Rensenbrink
NPI records show Dr. Rensenbrink as active with telehealth listed in Ellsworth, ME. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (207) 664-7780.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Kathryn Rensenbrink
Practice Location
32 Resort Way, Ellsworth, ME 04605-1717
Mailing Address
32 Resort Way, Ellsworth, ME 04605-1717
This is a provider directory. Contact the office directly to schedule appointments.
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