Summary

Dr. Karl Sylvester specializes in surgery with a focus on pediatric care, bringing 34 years of experience to his practice. He earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University and completed his residency at the University of Pennsylvania Health System. Dr. Sylvester is fluent in both English and Spanish.

Dr. Sylvester practices at Lucile Salter Packard Children's Hospital at Stanford and sees patients across multiple locations in Palo Alto, Stanford, and Walnut Creek, California. He treats various hernia conditions including ventral, inguinal, and sports hernias. His surgical expertise includes laparoscopic procedures and hernia repair surgery. Patients have given him an average rating of 4.5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 34 years of experience
  • 43 insurance plans accepted
  • speaks English, Spanish
  • University Of Pennsylvania Health System
  • 2 specialties
  • 3 areas of expertise
  • 1 hospital affiliation
  • 7 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Karl Gerard Sylvester has 7 locations

Stanford Medicine Pediatrics

453 Quarry Rd # Mc5660Palo Alto, CA 94304

Stanford Hospital

300 Pasteur DrStanford, CA 94305

Stanford Childrens Health Specialty Services Walnut Creek

106 La Casa ViaWalnut Creek, CA 94598
Mon8:00 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

Stanford Health Pediatric Surgery Clinic

730 Welch Rd Fl 2Palo Alto, CA 94304
Mon8:00 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

Lucile Salter Packard Childrens Hospital At Stanford

725 Welch RdPalo Alto, CA 94304

Stanford Health Care

500 Pasteur DrPalo Alto, CA 94304

Stanford Hospital

300 Pasteur DrPalo Alto, CA 94304

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Dr. Karl Gerard Sylvester, MD
Dr. Frederick Dirbas, MD
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Dr. Karl Gerard Sylvester, MDDr. Frederick Dirbas, MDDr. Mardi Karin, MDDr. Yulia Zak
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.4 
4.7 
3.9 
34 Years of Experience 41 Years of Experience 41 Years of Experience 19 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks English Speaks Russian
Palo Alto , CAPalo Alto , CASan Jose , CAPalo Alto , CA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Columbia University College Of Physicians & Surgeons Med School: David Geffen School Of Medicine At Ucla Med School: State University Of New York Downstate Medical Center College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Karl Gerard Sylvester

  • Aetna
  • Aetna - HMO
  • Affinity Health Plan
  • Alameda Alliance for Health
  • Alameda Alliance for Health - Medicaid (Managed)
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Central California Alliance for Health
  • Central California Alliance for Health - Medicaid (Managed)
  • Cigna
  • Contra Costa Health Plan
  • GEMCare Health Plan
  • Health Net
  • Health Net - HMO
  • Health Net - Medicaid (Managed)
  • Health Plan of San Joaquin
  • Health Plan of San Joaquin - Medicaid (Managed)
  • Health Plan of San Mateo
  • Health Plan of San Mateo - Medicaid
  • Health Plan of San Mateo - Medicaid (Managed)
  • Hometown Health
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid
  • Kaiser Permanente - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Optum Health
  • PacificSource Health Plans
  • Santa Clara Family Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare Oxford
  • Valley Health Plan
  • Valley Health Plan - Medicaid (Managed)

Medical Specialties

Dr. Karl Gerard Sylvester has the following 2 specialties

Specialty Expertise

Dr. Karl Gerard Sylvester has the following 3 areas of expertise

  • General Surgery
  • Pediatric Surgery
  • Pediatrics

Certifications, License, & Education

34 Years Experience

Dr. Karl Gerard Sylvester holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at University Of Pennsylvania Health System.

Medical School

Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 1992.

NPI Number

Dr. Sylvester's NPI number is 1285784538.

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Frequently Asked Questions

Is Dr. Karl Sylvester accepting new patients?
Dr. Karl Sylvester is accepting new patients on Vitals. View Dr. Karl Sylvester's profile on Vitals to make an appointment.
Does Dr. Karl Sylvester accept my insurance?
You can see the insurance plans that Dr. Karl Sylvester accepts on their Vitals profile.
Where is Dr. Karl Sylvester's office located?
Dr. Karl Sylvester's office is located at 453 Quarry Rd # Mc5660, Palo Alto, CA, 94304.
Which hospitals is Dr. Karl Sylvester affiliated with?
Dr. Karl Sylvester is affiliated with Lucile Salter Packard Childrens Hospital At Stanford.
What languages does Dr. Karl Sylvester speak?
Dr. Karl Sylvester speaks English and Spanish.

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