Run a free full auditInternal Medicine Specialty is a doctor practice in St. Louis, Missouri, specializing in comprehensive internal medicine care for adults. Led by Dr. Christine A. Sigman, the practice focuses on preventive care, chronic disease management, and acute medical concerns, serving patients across St. Louis and surrounding areas. Dr. Sigman is board-certified in internal medicine and trained at Saint John’s Mercy Medical Center, with a medical degree from Saint Louis University Medical Center. The practice is affiliated with Mercy Hospital St. Louis and offers both in-person and video visits, with services available through the Mercy health system. It maintains a perfect 5.00 rating based on patient reviews, reflecting strong patient satisfaction and trust.
The practice is part of the Mercy health system, a network with deep roots in the region dating back to the Sisters of Mercy’s founding in Dublin in 1827. Mercy’s mission emphasizes compassionate, patient-centered care, guided by a commitment to healing and service. The organization operates across Missouri, Kansas, Arkansas, and Oklahoma, with a long-standing presence in St. Louis since the Sisters arrived in 1856. The practice adheres to strict privacy standards under HIPAA and supports patient access to care through transparent pricing and nondiscrimination policies.
Located on Parkview Pl, the practice sits just a short distance from key medical and civic landmarks. It is approximately 0.1 miles from Forest Park Avenue, the Ellen S. Clark Fountain, and the Barnes-Jewish Center for Outpatient Health, and less than a quarter mile from Barnes-Jewish Hospital and Saint Louis Children's Hospital. The Hope Memorial Garden lies about 0.2 miles away, situated near the medical district’s core.
With a flawless rating and a strong affiliation with a respected regional health system, Internal Medicine Specialty is recognized for consistent, high-quality care. The practice stands out for its integration with major hospitals and its focus on accessible, patient-centered internal medicine in a city known for its medical excellence.
The practice’s proximity to major hospitals and its affiliation with Mercy underscore its role as a trusted provider in St. Louis’s healthcare network.
BizScoreAI scanned the website mercy.net on May 4, 2026. Internal Medicine Specialty has a BizScore of 53 out of 100. The website audit behind the SEO score ran on October 22, 2026.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 0 of 25 points, Content Readiness 16 of 30 points, AI Trust Signals 12 of 20 points.
Website audit sub-scores (out of 100): On-Page 70, Technical 87, Performance 70, Content 40.
Strengths: 4 checks passed. AI Crawler Access, AI Content Blocking, About/Team Page, XML Sitemap.
Areas to improve: 8 checks. llms.txt (failed), FAQPage Schema (failed), Organization Schema (warning), Speakable Schema (warning), Q&A Content (warning), AI-Parseable Headings (warning), Meta Description (warning), Author Signals (warning).
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