About Ajay K. Upadhyay, MD
Ajay Upadhyay practices gastrointestinal, minimally invasive and metabolic bariatric surgery in the East Bay. Sutter identifies him with the bariatric program at Alta Bates Summit Medical Center. The Fellowship Council also identifies his educational leadership in advanced gastrointestinal and minimally invasive surgery. Reported education and training include Medical degree, University of Delhi; General surgical training, Royal College of Surgeons of Edinburgh and Glasgow; Postdoctoral fellowship, UC San Diego. The documented surgical scope includes Sleeve gastrectomy; Roux-en-Y gastric bypass; Duodenal switch; Revisional bariatric surgery.
This profile uses selected sourced facts. Current availability and procedure choice should be confirmed with the practice.
Featured surgeons
Procedures & areas of focus
- Sleeve gastrectomy
- Roux-en-Y gastric bypass
- Duodenal switch
- Revisional bariatric surgery
- Bariatric endoscopy
- Single-anastomosis duodeno-ileostomy
Individual ASMBS member-reported procedures.
Education & training
- Medical degree, University of Delhi
- General surgical training, Royal College of Surgeons of Edinburgh and Glasgow
- Postdoctoral fellowship, UC San Diego
- Surgical residency, New York Hospital Queens
Academic & leadership roles
- Advanced GI and minimally invasive surgery fellowship director, described by Sutter as since 2005
Hospital affiliations
- Alta Bates Summit Medical Center
Medical license & specialist credentials
General surgery certification is not a separate bariatric surgery board certificate. Dates below describe the issuing source on the day checked; a license or certification can change afterward.
- Issuing body
- American Board of Surgery
- Recorded status
- Certified - Meeting CC Requirements
- Public identifier
- 042118
- Issued
- 1997-04-21
- Reverify by
- 2028-01-05
- Checked on
- 2026-11-03
- Issuing body
- Medical Board of California / Department of Consumer Affairs
- Recorded status
- License Renewed & Current
- Public identifier
- A53488
- Issued
- 1994-08-31
- Expires
- 2027-10-31
- Checked on
- 2026-11-03
- Reverify by
- Not publicly displayed
Practice locations
365 Hawthorne Avenue, Suite 101, Oakland, CA 94609
Get directions ↗Confirm appointment location with the practice.
Research & publications
No identity-matched article bibliography was established from the individual practice/institutional source set reviewed for this profile. A general statement about research or a same-name author was not converted into a publication citation.
Questions to ask
Where can I arrange an appointment with Ajay K. Upadhyay?
Contact Alta Bates Summit Medical Center at 510-465-5523. The published location is: 365 Hawthorne Avenue, Suite 101, Oakland, CA 94609. Confirm the appointment site and suite when booking.
Source ↗Which procedures or surgical services are documented for Ajay K. Upadhyay?
Sleeve gastrectomy; Roux-en-Y gastric bypass; Duodenal switch; Revisional bariatric surgery; Bariatric endoscopy; Single-anastomosis duodeno-ileostomy. Individual ASMBS member-reported procedures.
Source ↗Where did Ajay K. Upadhyay complete medical and surgical training?
Medical degree, University of Delhi; General surgical training, Royal College of Surgeons of Edinburgh and Glasgow; Postdoctoral fellowship, UC San Diego; Surgical residency, New York Hospital Queens. These are reported education and training details from the linked biography.
How can I review dated credential records for Ajay K. Upadhyay?
The profile preserves these individually dated records: American Board of Surgery: Certified - Meeting CC Requirements; checked 2026-11-03. Open each issuer link in the credentials section to review the current record. Each check applies to its own date.
Source ↗Related patient guides
Profile sources
- Sutter institutional biography · Checked 2026-11-02
- Fellowship program role ↗ · Checked 2026-11-02
- Individual ASMBS procedure and contact record ↗ · Checked 2026-11-02
- Individual ASMBS exact office ↗ · Checked 2026-11-02




