Kerstyn Zalesin, MD
Kerstyn Zalesin is an Internal Medicine specialist based in Royal Oak, MI with over 31 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 31 years in internal medicine, Kerstyn Zalesin, MD is a long-established internist in Royal Oak. Trained at Wayne State University School of Medicine (class of 1995), she has been practicing for over 31 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data). CMS MIPS quality score: 80.99/100 (2023).
At a glance
- Federal MIPS score higher than 25% of MIPS-scored doctors in Michigan
- Virtual visits available — no app or travel required
Recent · 89dNPPES updated 2026-02-24 · verify NPI on CMS · Verify license at Michigan Board of Medicine
Contact & Location
Practice Location
4949 Coolidge Hwy, Royal Oak, MI 48073-1026
How Does This Doctor Compare?
MIPS Score
202380.99/100
Michigan avg: 85.2 · US avg: 83.6
⚠ Lower than most doctors nationally(-2.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better43.4%
Michigan avg: 83.5 · US avg: 82.8
⚠ Lower than most doctors nationally(-39.4 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
87
Unique beneficiaries
Standard volumePrescription Recipients
94
Patients prescribed
Prescriptions Written
608
Total claims
Total Medicare drug cost: $385k
Percentile rankings compared against 1,194 reporting peers in Michigan.
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%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+19%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+21%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+20%) — a focus area for this doctor
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 (+17%) — a focus area for this doctor
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+18%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$69 received from industry
3 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Kerstyn Zalesin's NPI.
Social Vulnerability Index: 0.77 / 1.00
High vulnerabilityShe practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.
Source: CDC/ATSDR Social Vulnerability Index.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1995
Wayne State University School of Medicine
Board certified · Feb 23, 2026
Self-reported via NPPES
31 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
Wayne State University School of Medicine (Class of 1995)
Mailing address
26901 Beaumont Blvd Ste 3d, Southfield, MI 48033-3849
Differs from practice location
Virtual Internal Medicine Care With Kerstyn Zalesin
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Kerstyn Zalesin for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Royal Oak 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 Kerstyn Zalesin
Dr. Zalesin is listed as active in the NPI registry with telehealth listed in Royal Oak, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (248) 655-5900.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator · HRSA HPSA · CDC SVI. See Data Methodology.
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Contact Kerstyn Zalesin
Practice Location
4949 Coolidge Hwy, Royal Oak, MI 48073-1026
Mailing Address
26901 Beaumont Blvd Ste 3d, Southfield, MI 48033-3849
This is a provider directory. Contact the office directly to schedule appointments.
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