Merle L Diamond, MD
Merle L Diamond is an Internal Medicine specialist based in Chicago, IL with over 46 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Merle L Diamond, MD has practiced internal medicine for 46+ years, working in group practice. Trained at Northwestern University Feinberg Medical School (class of 1980), she has been practicing for over 46 years. Among her Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 36% of reporting doctors in Illinois
- Uses generic medications more than 30% of reporting doctors in Illinois
- Virtual visits available — no app or travel required
Older · 208dNPPES updated 2025-10-31 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
1460 N Halsted St Ste 501, Chicago, IL 60642-2615
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202321.89/100
Illinois avg: 88.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-61.7 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better1.87%
Illinois avg: 4.5 · US avg: 5.1
✓ Higher than most doctors nationally(-3.2 pts)
1.87% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better83.8%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+1 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
407
Unique beneficiaries
Standard volumePrescription Recipients
352
Patients prescribed
Prescriptions Written
4,873
Total claims
Total Medicare drug cost: $1.09M
Percentile rankings compared against 2,844 reporting peers in Illinois.
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-5%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-10%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+8%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+15%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+15%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+2%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$97.3k received from industry
198 transactions reported in 2024 ·Very High 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 Merle L Diamond's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1980
Northwestern University Feinberg School of Medicine
Board certified · Oct 30, 2025
Self-reported via NPPES
46 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
Northwestern University Feinberg Medical School (Class of 1980)
Mailing address
2650 Ridge Ave Ste 1223, Evanston, IL 60201-1700
Differs from practice location
Virtual Internal Medicine Care With Merle L Diamond
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Merle L Diamond for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Chicago 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 Merle L Diamond
NPI records show Dr. Diamond as active with telehealth listed in Chicago, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (773) 388-6390.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Merle L Diamond
Practice Location
1460 N Halsted St Ste 501, Chicago, IL 60642-2615
Mailing Address
2650 Ridge Ave Ste 1223, Evanston, IL 60201-1700
This is a provider directory. Contact the office directly to schedule appointments.
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