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Summary
Dr. Catalya graduated from the St Georges University School of Medicine in 2014. He works in Fremont, CA and 5 other locations and specializes in Infectious Disease and Internal Medicine. Dr. Catalya is affiliated with John Muir Health Concord Medical Center, Kaiser Permanente Walnut Creek Medical Center, Washington Hospital and Walnut Creek Medical Center.
Quick Facts
- 12 years of experience
- speaks English
- St Georges University School Of Medicine
- 2 specialties
- 1 area of expertise
- 4 hospital affiliations
- 7 office locations
- Male
Office Locations
Dr. Stephen Lloyd Catalya has 7 locationsWashington Township Medical Foundation
2557 Mowry Ave Ste 12Fremont, CA 94538Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Kaiser Permanente Walnut Creek Medical Center
1425 S Main StWalnut Creek, CA 94596 Tel: (925) 295-4000
Compare with Similar Doctors
 | | |  |
| Dr. Stephen Lloyd Catalya, MD | Jonathan Schapiro | John Ioannidis | Susan Marie Poutanen |
| Infectious Disease | Infectious Disease | Infectious Disease | Infectious Disease |
| 12 Years of Experience | 38 Years of Experience | 36 Years of Experience | 30 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Fremont , CA | SUNNYVALE , CA | Stanford , CA | Stanford , CA |
| Med School: St Georges University School Of Medicine | Med School: Ben-Gurion University Of The Negev Faculty Of Health Sciences | Med School: University Of Athens School Of Health Sciences | Med School: Univ Of Toronto Fac Of Med |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Stephen Lloyd Catalya
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Stephen Lloyd Catalya has the following 2 specialties
Specialty Expertise
Dr. Stephen Lloyd Catalya has the following area of expertise
Certifications, License, & Education
12 Years Experience
Dr. Stephen Lloyd Catalya holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2025.
Education & Training
Medical School
Graduated from St Georges University School Of Medicine in 2014.
NPI Number
Dr. Catalya's NPI number is 1881100832.
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Frequently Asked Questions
- What languages does Dr. Stephen Catalya speak?
- Dr. Stephen Catalya speaks English.
- Is Dr. Stephen Catalya accepting new patients?
- Dr. Stephen Catalya has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Stephen Catalya accept my insurance?
- You can see the insurance plans that Dr. Stephen Catalya accepts on their Vitals profile.
- Which hospitals is Dr. Stephen Catalya affiliated with?
- Dr. Stephen Catalya is affiliated with John Muir Health Concord Medical Center, Kaiser Permanente Walnut Creek Medical Center, Washington Hospital, and Walnut Creek Medical Center.
- Does Dr. Stephen Catalya accept virtual/telehealth appointments?
- Dr. Stephen Catalya has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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