Robert James Tamai
Gastroenterology Internal Medicine
Robert James Tamai is a Gastroenterology Internal Medicine specialist based in West Hills, CA with over 8 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Robert James Tamai specializes in internal medicine, serving patients in West Hills, CA in group practice. Trained at Johns Hopkins University School of Medicine (class of 2018), he has been practicing for over 8 years. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.
Older · 268dNPPES updated 2025-08-29 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
7345 Medical Center Dr Ste 420, West Hills, CA 91307-1964
$39 received from industry
1 transaction reported in 2024 ·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 2024, attributed to Robert James Tamai's NPI.
Patient Reviews
No patient reviews yet. If you've seen Robert James Tamai, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2018
Johns Hopkins University School of Medicine
Board certified · Aug 28, 2025
Self-reported via NPPES
8 years in practice
Established
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
Education & Training
Johns Hopkins University School of Medicine (Class of 2018)
Mailing address
5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 201303
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Robert James Tamai
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Robert James Tamai for follow-ups, medication reviews, and ongoing care — no travel to West Hills 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 Robert James Tamai
Dr. Tamai is listed as active in the NPI registry with telehealth listed in West Hills, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (818) 340-8252.
Sourced from CMS NPPES · OIG LEIE · CMS Open Payments 2024. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Robert James Tamai
Practice Location
7345 Medical Center Dr Ste 420, West Hills, CA 91307-1964
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.
Related Providers
Gastroenterology Internal Medicine in California
See allGerson Charles Bernhard, MD
San Francisco, CA
John P. Kane, MD
San Francisco, CA
Yzhar Charuzi, M.D
Los Angeles, CA