Karen J Chang-Chen, MD
Endocrinology, Diabetes & Metabolism
Karen J Chang-Chen is an Endocrinology, Diabetes & Metabolism specialist based in Chesterfield, MO with over 23 years of clinical experience. Offers virtual telehealth visits.
Karen J Chang-Chen, MD has practiced internal medicine for 23+ years, working in group practice. She has been practicing since 2007 — over 23 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and diabetes.
Older · 2126dNPPES updated 2020-07-28 · verify NPI on CMS · Verify license at Missouri Board of Registration for the Healing Arts
Contact & Location
Practice Location
224 S Woods Mill Rd Ste 480s, Chesterfield, MO 63017
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 (+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
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+34%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+5%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+7%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+6%) — 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%↓ Fewer patients than average (-4%) — 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.
Board certified · Jul 27, 2020
Self-reported via NPPES
23 years in practice
Experienced
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
Mailing address
224 S Woods Mill Rd Ste 480s, Chesterfield, MO 63017-3609
Differs from practice location
Virtual Endocrinology, Diabetes & Metabolism Care With Karen J Chang-Chen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Karen J Chang-Chen for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Chesterfield required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Karen J Chang-Chen
Dr. Chang-Chen is listed as active in the NPI registry with telehealth listed in Chesterfield, MO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (636) 685-7744.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Karen J Chang-Chen
Practice Location
224 S Woods Mill Rd Ste 480s, Chesterfield, MO 63017
This is a provider directory. Contact the office directly to schedule appointments.
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