2.8
6 Ratings with 2 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Dr. Joel David Clarfield, MD | Dr. Tooba Rehman, MD | Karthikeyan Viswanathan, DO | Dr. George Mousa, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 52 Years of Experience | 16 Years of Experience | 12 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English, Tamil | ||
| Mission Hills , CA | Katy , TX | Palo Alto , CA | Upland , CA |
| Med School: Univ Of Toronto Fac Of Med | Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE | Med School: Bassett Medical Center - Cooperstown, New York | Med School: University Of Aleppo Faculty Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Dr. Joel David Clarfield holds an active medical license in the state of California.
Medical Doctor with an active medical license in the state of California that expires in 2027.
Graduated from Univ Of Toronto Fac Of Med in 1974.
Dr. Clarfield's NPI number is 1700941788.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.