Mazer AllyM.D.
Gastroenterology·Oceanside, CA
Mazer Ally, M.D. is a Gastroenterology provider in Oceanside, CA affiliated with 3 ambulatory surgery centers in CA, as of July 2026.
- NPI1902018666
- Registered2007
- Centers3
- StateCA
- Class of2006
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- Pomerado Outpatient Surgical Center LpSan Diego, CA · Gastroenterology, Ophthalmology · 25 on panelView center →
- Scripps Health Dba ASC JeffersonOceanside, CA · Gastroenterology, Ophthalmology, Orthopedics, Pain management · 24 on panelView center →
- Scripps HealthSan Diego, CA · Gastroenterology, Pain management, Urology · 15 on panelView center →
Education
Education on record as of August 2026.
Mazer Ally at a glance
- Provider
- Mazer Ally
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Oceanside, CA
- Medical school
- George Washington University School of Medicine
- Graduated
- 2006
- NPI registered
- 2007
- NPI
- 1902018666
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Mazer Ally practice?
Mazer Ally, M.D. is based in Oceanside, CA and is affiliated with 3 ambulatory surgery centers: Pomerado Outpatient Surgical Center Lp in San Diego, CA, Scripps Health Dba ASC Jefferson in Oceanside, CA, and Scripps Health in San Diego, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mazer Ally's NPI number?
Mazer Ally's National Provider Identifier (NPI) is 1902018666, registered in 2007. Specialty on record: Gastroenterology; credential M.D.
Where did Mazer Ally go to medical school?
Mazer Ally, M.D. attended George Washington University School of Medicine, graduating in 2006.
How many Gastroenterology providers in California work at ambulatory surgery centers?
547 Gastroenterology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mazer Ally among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Mazer Ally analysis
Tell us where to send it. Our team will prepare an analysis of Mazer Ally covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.