Leon Fogelfeld, M.D.
Endocrinology, Diabetes & Metabolism
Leon Fogelfeld is an Endocrinology, Diabetes & Metabolism specialist based in Chicago, IL with over 51 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across IL can see Leon Fogelfeld, M.D. in person in Chicago or via virtual visit — no travel required. With 51+ years of experience, he has been practicing in the Chicago area. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes.
Older · 939dNPPES updated 2023-11-01 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
1725 W Harrison St Suite 250, Chicago, IL 60612-3841
How Does This Doctor Compare?
Generic Rx
↑ Higher = better57.2%
Illinois avg: 82.9 · US avg: 82.8
⚠ Lower than most doctors nationally(-25.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
66
Unique beneficiaries
Standard volumePrescription Recipients
102
Patients prescribed
Prescriptions Written
593
Total claims
Total Medicare drug cost: $271k
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 Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+1%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-5%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+21%) — 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 (+32%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-7%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-7%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-9%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$110 received from industry
1 transaction reported in 2018 ·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 2018, attributed to Leon Fogelfeld's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Oct 31, 2023
Self-reported via NPPES
51 years in practice
Senior practitioner
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190316
View hospital on Medicare Care CompareVirtual Endocrinology, Diabetes & Metabolism Care With Leon Fogelfeld
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Leon Fogelfeld for blood pressure monitoring, cholesterol management, diabetes check-ins — 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 Leon Fogelfeld
Dr. Fogelfeld is listed as active in the NPI registry with telehealth listed in Chicago, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (312) 942-6163.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Leon Fogelfeld
Practice Location
1725 W Harrison St Suite 250, Chicago, IL 60612-3841
Mailing Address
1725 W Harrison St Suite 250, Chicago, IL 60612-3841
This is a provider directory. Contact the office directly to schedule appointments.
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