Leonard G Quallich, MD
Gastroenterology Internal Medicine
Leonard G Quallich is a Gastroenterology Internal Medicine specialist based in Troy, MI with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Leonard G Quallich, MD practices as part of a group gastroenterologist practice in Troy, MI. He graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1996 and has 30+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Uses generic medications more than 86% of reporting doctors in Michigan
- Virtual visits available — no app or travel required
Older · 4575dNPPES updated 2013-11-13 · verify NPI on CMS · Verify license at Michigan Board of Medicine
Contact & Location
Practice Location
4600 Investment Dr Ste 380, Troy, MI 48098
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better93.8%
Michigan avg: 83.5 · US avg: 82.8
✓ Higher than most doctors nationally(+11 pts)
Better than 86% of reporting doctors in MichiganHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
459
Unique beneficiaries
Standard volumePrescription Recipients
448
Patients prescribed
Prescriptions Written
1,625
Total claims
Total Medicare drug cost: $405k
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%↓ Fewer patients than average (-5%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-3%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-7%) — 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%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$142 received from industry
7 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 Leonard G Quallich's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1996
Case Western Reserve University School of Medicine
30 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (Class of 1996)
Virtual Internal Medicine Care With Leonard G Quallich
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Leonard G Quallich for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Troy 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 Leonard G Quallich
NPI records show Dr. Quallich as active with telehealth listed in Troy, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (248) 267-5025.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Leonard G Quallich
Practice Location
4600 Investment Dr Ste 380, Troy, MI 48098
Mailing Address
4600 Investment Dr Ste 380, Troy, MI 48098
This is a provider directory. Contact the office directly to schedule appointments.
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