Andrew Mark Gregg, MD PHD
Gastroenterology Internal Medicine
Andrew Gregg, MD PHD runs an independent gastroenterologist practice in Thousand Oaks, CA. He has been in practice for 7+ years. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.
Data updated 2025-08-04 on CMS NPPES
Contact & Location
Practice Location
248 Hampshire Rd Ste 200, Thousand Oaks, CA 91361-2401
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
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
Virtual Internal Medicine Care With Andrew Gregg
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Andrew Gregg for follow-ups, medication reviews, and ongoing care — no travel to Thousand Oaks required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Andrew Gregg
NPI records show Dr. Gregg as active with telehealth listed in Thousand Oaks, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (805) 370-0127.
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Contact Andrew Gregg
Practice Location
248 Hampshire Rd Ste 200, Thousand Oaks, CA 91361-2401
Mailing Address
5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631
This is a provider directory. Contact the office directly to schedule appointments.
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