Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS, MD - San Jose, CA - Surgery, Colorectal Surgery, Proctologist VERIFIED

Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS, MD

Surgery
5 
10
Accepting New Patients
(408) 214-0131
17 Years of Experience 455 Oconnor Dr Ste 270 San Jose CA 95128 Vitals Preferred Provider in San Jose, CA Visit Website
Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS, MD - San Jose, CA - Surgery, Colorectal Surgery, Proctologist
Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS, MD
17 Years of Experience Accepting New Patients

Summary

Carlos San Mateo, MD, MA, FACS, DABS, DipABLM, FASCRS

Triple Board-Certified Colorectal & General Surgery and Lifestyle Medicine

Dr. Carlos San Mateo is triple board-certified in colorectal & general surgery and lifestyle medicine speciailizing in the diagnosis, treatment, and prevention of anorectal and colorectal conditions. He provides expert care for hemorrhoids, anal fissures, fistulae, abscesses, anal warts, HPV-related dysplasia, fecal incontinence, constipation, and colorectal cancer prevention. His practice offers both office-based procedures and advanced surgical options, including High-Resolution Anoscopy (HRA), colonoscopy, minimally invasive anorectal surgery, sacral nerve stimulation for fecal incontinence, and anal fistula repair sphincter-preserving techniques. As Director of the Anal Dysplasia Clinic at Kaiser Permanente San Francisco, Dr. San Mateo leads advanced screening programs for HPV-related anal cancer and helps set regional standards for prevention across Northern California. He has also served as the primary colorectal surgeon for Sonoma and Marin counties and advanced minimally invasive rectal cancer surgery at Kaiser Permanente Vallejo.

In addition to his clinical work, Dr. San Mateo is a dedicated educator and mentor. He has taught surgical residents and medical students as a Clinical Assistant Professor of Surgery at the University of Miami, where he was honored with the “Attending of the Year” award. He regularly presents his research at national and international conferences and remains active in professional societies, including the American Society of Colon and Rectal Surgeons, the International Anal Neoplasia Society, the American College of Lifestyle Medicine, and the American College of Surgeons.

Patients choose Dr. San Mateo for his combination of technical expertise, minimally invasive options, and compassionate, whole-patient care. He is committed to helping every patient feel informed, supported, and confident in their treatment plan.

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Office Location

Alkimiya Surgical Systems, PC

455 Oconnor Dr Ste 270San Jose, CA 95128
Mon11:00 am - 6:00 pm
Tue11:00 am - 6:00 pm
WedClosed
Thu11:00 am - 6:00 pm
Fri11:00 am - 6:00 pm
SatClosed
SunClosed

Quick Facts

  • accepting new patients
  • 5
  • 17 years of experience
  • 17 insurance plans accepted
  • speaks English, Tagalog
  • University of South Florida Colon and Rectal Surgery
  • 10 written reviews
  • 1 award
  • 3 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 1 office location
  • Male

Patients’ Perspective

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

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Insurance Plans Accepted by Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS

  • Aetna
  • Alignment Health
  • Astrana Health
  • Beech Street
  • Cigna
  • Contigo
  • Galaxy
  • Health Net
  • Humana
  • Interplan
  • Medicare
  • Multiplan
  • Networks By Design
  • PHA
  • Premier Care IPA
  • SCCIPA
  • USA Health Network

Medical Specialties

Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS has the following 3 specialties

Specialty Expertise

Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS has the following 13 areas of expertise

  • Anal Cancer and Colorectal Cancer Prevention
  • Anal Fissure Management
  • Anal Itching Management
  • Anal Pain and Bleeding Evaluation
  • Anal Warts
  • Anorectal Wellness and Prevention
  • Colonoscopy for Colorectal Cancer
  • Colorectal Surgery
  • Fecal Incontinence Treatment
  • Hemorrhoid Diagnosis and Treatment
  • HPV Infection
  • Proctologist
  • Skin Tags and Benign Anal Lesions

Certifications, License, & Education

17 Years Experience

Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS holds an active medical license in the state of California. They are board certified in Colon and Rectal Surgery and Surgery by the American Board of Surgery and The American College of Surgeons.

Board Certifications

Board certified in Colon and Rectal Surgery by the American Board of Surgery and board certified in Surgery by the The American College of Surgeons.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Fellowship

Completed their fellowship at University of South Florida Colon and Rectal Surgery.

Residency

Completed their residency at University Of Arizona Medical Center General Surgery.

Internship

Completed their internship at University of Washington General Surgery.

Medical School

Graduated from Boston University School Of Medicine in 2009.

NPI Number

Dr. San Mateo, MD, MA, FACS, DABS, FASCRS's NPI number is 1013159912.

Frequently Asked Questions

What languages does Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS speak?
Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS speaks English and Tagalog.
How can I make an appointment with Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS?
You can find contact information for Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS here on Vitals.
Does Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS accept virtual/telehealth appointments?
Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS's office located?
Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS's office is located at 455 Oconnor Dr Ste 270, San Jose, CA, 95128.
Does Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS accept my insurance?
You can see the insurance plans that Dr. Carlos San Mateo, MD, MA, FACS, DABS, FASCRS accepts on their Vitals profile.

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